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Ayyappanpillai Ajayaghosh, F. A. Sc., Scientist H
Photosciences and Photonics Group
Chemical Sciences and Technology Division
National Institute for Interdisciplinary Science and Technology (NIIST)
CSIR, Trivandrum 695 019
Phone: +91 471 515 306, Fax: +91 471 490 186
E-mail: [email protected]
Date of Birth : July 30, 1962 (Quilon, Kerala)
Academic Background:
B.Sc. 1982, Kerala University; M.Sc. 1984, Calicut University
Ph.D. 1989, Calicut University
Professional Background:
Scientist, NIIST, CSIR, Trivandrum, India, 1988-to-date, Presently Scientist H
Honors/Awards/ Fellowships:
1) 1988, Young Scientist Award (Indian Science Congress Association, India)
2) 1988, Citation and cash award of the Syndicate of Calicut University, Kerala, India for outstanding
research contributions during 1994-98
3) 1991, INSA Young Scientist Medal (Indian National Science Academy)
4) 1994, Alexander von Humboldt Fellow at the Max-Planck-Institut für Strahlenchemie, Germany, 1994-
1995
5) 2001, Swarnajayanti Research Grant, for outstanding Young Researchers, DST, Govt. India.
6) 2002, CRSI Medal, (Chemical Research Society of India)
7) 2004, Adjunct Professor, Material Science Programme, IIT, Kanpur
8) 2006, Fellow Indian Academy of Sciences, Bangalore
9) 2007, Ramanna Fellow, DST, New Delhi
10) 2007, International Editorial Advisory Board Member, Chemistry- An Asian Journal
11) 2007, MRSI Medal (Material Research Society of India).
12) 2007, Shanti Swarup Bhatnagar Prize in Chemical Sciences
13) 2007, Editorial Board Member, J. Chem. Sci. (Indian Academy of Science).
14) 2008, International Editorial Advisory Board Member, ACS, Applied Materials & Interface.
15) 2009, DAE-SRC Outstanding Research Award by Dept. Atomic Energy, Govt. India
16) 2009, Thomson Reuters Research Excellence-India Research Front Award
Publications (as of April 2011):
In refereed Journals – 101 (8 cover pages); Conferences - 60; Book Chapter – 02
Patents filed/applied - 5
Research Interests: Functional Organic Materials, Molecular Self-assembly, Molecular Probes
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Curriculum Vitae
Ayyappanpillai Ajayaghosh, F. A. Sc., Scientist H
Photosciences and Photonics Group, Chemical Sciences and Technology Division
National Institute for Interdisciplinary Science and Technology (NIIST)
CSIR, Trivandrum 695 019
Phone: +91 471 515 306, Fax: +91 471 490 186
E-mail: [email protected]
Personal Details:
Date and place of birth : July 30, 1962, Quilon, Kerala
Nationality : Indian
Marital Status : Married (Two children)
Name of Spouse : Ambili Ajayaghosh (Chemistry Teacher)
Present Position : Scientist H
Residence : Devadaru, TC 55/191, Kuttikkadu Lane
Kaimanom, Pappanamcode P. O
Trivandrum 695 018, India.
Phone: +91 471 2491 592
Academic Details:
_______________________________________________________________________
DEGREE YEAR UNIVERSITY CLASS SUBJECT
B. Sc. 1982 Kerala First Chemistry
M. Sc. 1984 Calicut First Chemistry
Ph. D. 1989 Calicut Best Thesis Award Chemistry
_______________________________________________________________________
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Employment Record:
1. Scientist B at the Photochemistry Research Unit, Regional Research Laboratory,
Trivandrum from March 07, 1988 to March 06, 1991.
2. Scientist C at the Photochemistry Research Unit, Regional Research Laboratory,
Trivandrum from March, 07, 1991 to March 06, 1996.
3. Scientist E-I at the Photochemistry Research Unit, Regional Research Laboratory,
Trivandrum from March, 07, 1996 to December 31, 2000.
4. Scientist E-II at the Photosciences and Photonics Group, NIIST, Trivandrum from
January, 01, 2001 to December 31, 2004.
5. Scientist F at the Photosciences and Photonics Group, NIIST, Trivandrum from January
2005 to June 30, 2010.
6. Scientist H at the Photosciences and Photonics Group, NIIST, Trivandrum from
July, 2010 to-date
Major Awards
1. Young Scientist Medal (1988), awarded by the Indian Science Congress Association,
India
2. INSA Young Scientist Medal (1991), awarded by the Indian National Science
Academy, New Delhi
3. CRSI Bronze Medal (2002), awarded by the Chemical Research Society of India
4. MRSI Medal (2007), by Material Research Society of India
5. Shanti Swarup Bhatnagar Prize 2007
6. DAE Outstanding Researcher Award- 2009 by Dept. Atomic Energy, Govt. India
7. Thomson Reuters Research Excellence-India Research Front Award, 2009
Honors
1. Certificate of Merit (1987) from the Indian Chemical Society for the best paper
presentation, at the Convention of Chemists, 1987
2. Special Award and Citation (1988) of the Syndicate of Calicut University, Kerala,
India for outstanding research contributions during 1985-1988
3. CSIR-DAAD Exchange Fellow (1999), University of Regensburg, Germany
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4. Member, Board of Post-Graduate Studies in Chemistry (2001-2003), Mahatma
Gandhi University, Kottayam, India
5. Swarnajayanti Research Grant (2001), Special research grant to outstanding young
researchers by DST, Govt. India
6. Editorial board member, Resonance, 2003
7. Adjunct Professor, Material Science Programme, IIT, Kanpur
8. International Editorial Advisory Board Member, Chemistry- An Asian Journal
9. Editorial Board Member, J. Chem. Sci. (Indian Academy of Science)
10. Member, Research Council, North East Institute of Science and Technology, CSIR,
Jorhat.
11. International Editorial Advisory Board Member, ACS Applied Materials & Interfaces.
Fellowships
1. INSA-JSPS Exchange Fellow (1993), Chiba University, Japan during Aug.1993
Dec.1993.
2. Alexander von Humboldt Fellow (1994), Max-Planck-Institut für Strahlenchemie,
Germany, 1994-1996.
3. DST-DAAD Exchange Fellow (2001), University of Regensburg, Germany.
4. INSA-JSPS Exchange Fellow (2003), AIST Tsukuba, Japan during July-Sept.2003.
5. Fellow, Indian Academy of Sciences, Bangalore (2006)
6. Ramanna Fellow, DST (2007)
NIIST Research Performance Award
Outstanding performance award 2004-05
Outstanding performance award 2005-06
Outstanding performance award 2006-07
Outstanding performance award 2007-08
Outstanding performance award 2008-09
Membership in Professional Bodies
1. Fellow, Indian Academy of Sciences
2. Life member, Chemical Research Society of India
3. Life member, Materials Research Society of India
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4. Life member, Society for Polymer Science, India
Research Interests
1. Conjugated oligomers and polymers (Polymer-based sensors, Conducting polymers,
Low band gap polymers, Light emitting polymers)
2. Organic Optoelectronic Materials (Organic dye based systems, NIR dyes)
3. Supramolecular Chemistry (Molecular self-assembly, Organogels, Nanostructures and Molecular probes)
Research Experience
22 Years of research experience in the area of organic and macromolecular materials
after obtaining Ph. D. at National Institute for Interdisciplinary Science and
Technology (NIIST),CSIR, Trivandrum 695 019, India (1988 - to-date)
Research Supervision
i) M. Sc. Projects Awarded : 15
ii) Ph. D. Awarded : 14
iii) Ph. D. Ongoing : 11
Major Projects Handled
1. DST project entitled “Organic Dye Based Macromolecular Electronic Conductors,
Receptors and Noncovalent Assemblies: Synthesis and Properties of Novel Materials
Derived from Oligo- and Polysquaraines.” 1998-2001
2. DST project entitled “Crafting of Macromolecular Materials from Supramolecular
Assemblies”, under the Swarnajayanti scheme, 2001-2006.
3. DST project entitled “Chiral -Electronic Gels and Helical Nanostructures: Self-
Assembly of Conjugated Molecules to Photoactive Organic Materials” under invited
category, 2003-2007.
4. DST project entitled “Functional nanomaterials of π-Conjugated Molecules”, under the
DST Nanoscience and Technology Initiatives (on going).
6. Ramanna Fellowship programme entitled as “Photoactive Supramolecular Architectures:
Design and Applications” (on going)
7. Indo-French project entitled, “Functional Hybrid Nanomaterials of Polymeric Gels and
π-Conjugated Self-assemblies”, supported by CEFIPRA, New Delhi (on going).
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8. “Energy Efficient Organic Materials” CSIR Network programme (on going).
9. “Molecular and Supramolecular Architectures with Optoelectronic Functions” by Department of Atomic Energy” (on going)
Teaching Experience
1. Assisted in theory and practical classes at post-graduate level in the Department of
Chemistry, Calicut University, Kerala, India (1985 - 1988).
2. Guest Lecturer in Polymer Chemistry, Mahatma Gandhi University, Kottayam, Kerala,
India (1986 - 1987).
3. Lecturer, NSS College, Mancherry, Calicut 2008 (before joining NIIST)
4. Lectured at various refresher courses for college chemistry teachers.
Visits Abroad
1. INSA-JSPS exchange scientist at the Department of Image Science, Chiba University,
Japan, August-December 1993. (Prof. Tseugo Yamoaka)
2. Alexander von Humboldt Fellow at Max-Planck Institut für Strahlenchemie, Mülheim,
Germany, September 1994- February 1996. (Prof. Martin Demuth)
3. University of Warsaw, Poland, 2000 (Invited talk, International Conference)
4. DST-DAAD visiting scientist at the Institute for Organic Chemistry, University of
Regensburg, Germany, April-June 1999. (Prof. Jörg Daub)
5. Technical University of Eindhoven, The Netherlands, 2003 (Visiting faculty)
6. INSA-JSPS exchange scientist at National Institute of Advanced Material Research,
Tsukuba, Japan, July-September, 2003. (Dr. Toshimi Shimidzu)
7. University of Tsukuba, Department of Chemistry 2004 (Visiting professor))
8. Institute Charles Sadron, Strasbourg, France (Invited talk, Indo-French Symposium on
Fibrillar Networks as Advanced Materials), September 21-23, 2005.
9. Singapore (Invite lectures at Nanyang Technological University, National University of
Singapore), November 2-4, 2005.
10. National Science Council, Taiwan (Invited lectures at National Taiwan Normal
University, Tamkang University, National Tsing Hua University, National Taiwan
University), November 7-11, 2005.
11. Osaka, Japan, May 15-20, 2006. (Invited lecture, International Conference on Functional
pi-Systems)
12. Chiba University, Japan, November 5-18, 2006. (DST-JSPS Exchange Project)
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13. University of California, Irvine, USA, January 18-20, 2007. (Invited lecture, Indo-US
frontiers of Science Symposium).
14. IFCOS meeting at Dinard, France, September 11-14, 2007 (Invite lecture).
15. University of Dresden, Germany, September 15-25, 2007 (Invited talk, International
conference on Reactive polymers).
16. University of Osaka, Japan (visiting professor), June 27-July 31, 2007.
17. Arcachon, France, October 15-20, 2007 (Invited talk, Aquitaine conference on
Polymers).
18. University of Chiba, Japan, February 4-14, 2008 (DST-JSPS exchange visit).
19. Chinese Academy of Sciences, China, November 1-12, 2008 (Invited Talks)
20. National Institute of Materials, Tsukuba, December 12-21, 2008 (Invited visiting
scientist)
21. National Institute of Materials, Tsukuba, Japan, May 25 to June 01, 2009 (Invited lecture
and discussion)
22. Osaka, Japan, June 02-06, 2009 (Key note lecture at the East Asia Symposium on
Functional Dyes and Advanced Materials)
23. Rio de Jeniro, Brazil, September 17-24, 2009 (Participant in the Indo-Brazil symposium
on Advanced Materials at Rio de Jeniro)
24. Kuwait, March 06-09,2010 (Plenary talk in Kuwait Conference of Chemistry 2010)
25. Japan, July 04-09,2010 (Invited Lecture, International Conference on Science and
Technology of Synthetic Metals 2010 at Kyoto, Japan)
26. Poland, June 15-21,2010 (Invited Speaker, FINELUMEN VIth International Krutyn
Summer School IKSS2010)
27. France, September 14-17,2010 (Invited Talk, Indo-French Center for Organic Synthesis
(IFCOS) meeting)
28. Australia, November 07-11,2010 (Invited Talk, Australian National University and Monash
University)
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Invited Lectures:
1. Synthesis, Photochemical Studies and Application of Polymers Containing Xanthate
Chromophore. INSA Local Chapter, Kerala, July 24, 1991.
2. Photopolymerization Reactions: Theory and Applications. Refresher Course for
College Teachers Organized by University of Kerala, June 14, 1993.
3. Synthesis, Steady State and Laser Flash Photolysis Studies of Polyamides Containing
o-Nitrobenzylic Chromophore. 3rd NOST Conference, Bhubaneswar, India,
December 6-10, 1992.
4. Photochemistry and Applications of Polymers Containing o-Nitrobenzylic and
Xanthate Chromophores. Research Laborotory of Resourse Utilization, Tokyo Institute
of Technology, December 9, 1993.
5. Photoresist Polymers with Special Emphasis on Polymers Containing o-Nitrobenzylic
Chromophore, Annual General Meeting cum Technical Seminar, Material Research
Society of India, Trivandrum ,Chapter, April 7, 1994.
6. Xanthate Photochemistry in Controlled Free Radical Photopolymerization Reactions,
Refresher Course for College Teachers, M. G. University, February 24, 1998.
7. Organic Dye Derived Molecular Wires as Metal Ion Sensors. Approach to Signal
Amplification and Ion Selectivity, 7th NOST Symposium, September 10-13, 1998,
Visakpatnam, India.
8. Role of Xanthates in Controlled Synthesis of Macromolecules by Photoinitiated Free
Radical Approach, Key note address in Polymers’99, International Conference on
Polymers Beyond AD 2000, January 12-15, 1999, Delhi, India.
9. Squaraine Dye Based Oligomers and Polymers. Optical and Electronic Properties, 38th
Macromolecular IUPAC Symposium, Warsaw, Poland, July 9-14, 2000.
10. S-Maleimidobenzoyl o-Ethyl Xanthate. A Novel Polymerizable Photoinitiator for the
Controlled Synthesis of Linear, Branched and End-functional Polymers, 1st International
Symposium on Reactive Polymers in Inhomogeneous Systems, in Melts and at
Interfaces, Dresden, Germany, July 16-19, 2000.
11. Squaraine Dye Based Conjugated Polymers, Institute of Organic Chemistry, University
of Regensburg, Germany, July 21, 2000.
12. Near Infra Red Absorbing Conjugated Systems, Institute of Macromolecular Chemistry,
University of Bayreuth, Germany, July 24, 2000.
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13. Polysquaraine Based Cation Sensors, Institute of Organic Chemistry, University of
Regensburg, Germany, August 25, 2001.
14. CRSI bronze medal lecture, 4th National Symposium in Chemistry, NCL, Pune,
February, 1-3, 2002.
15. Design, Synthesis and Properties of Near Infrared absorbing -Conjugated Systems, 5th
International Symposium on Functional -Electron Systems, May 30 – June 4, 2002,
Ulm, Germany.
16. Signal Transduction of Cation Binding Using Squaraine Chromophores, Organic
Colloquium and Graduate College Photoreceptory Programme, University of
Regensburg, June, 2002.
17. Cation sensors Based on Squaraine Chemistry, Institute of Polymer Chemistry,
University of Bayreuth, June, 2002.
18. Signal Amplification and Selectivity of squaraine Based Polymeric and Foldameric
Sensors, Indian Institute of Technology, Kanpur, August 23, 2002.
19. Chemistry of Chemosensors, Endowment Lecture, Sacred Heart College, Thevara,
November 6, 2002.
20. Intrinsically Conducting Low Band Gap Polysquaraines, Macro 2002, IIT Kharagpur,
December 9-11, 2002.
21. Organic Nanomaterials: Design, Synthesis and Applications, Academic Staff College,
University of Kerala, December 3, 2002.
22. Oligo(phenylenevinylene)s: A novel Class of Light Harvesting Gels, Recent Advances in
Chemical Sciences (RACS 2002), M. G. University, Kottayam, December 18-21, 2002.
23. Supramolecular Organization of Organic Molecules, Golden Jubilee Lecture, Nirmala
College, Muvatupuzha, January 16, 2003.
24. Supramolecular Chemistry: Molecules to nanostructures, Malabar Christian College,
February 21, 2003.
25. Organogels: The Soft and Sticky World of Molecules, Sree Narayana College, Quilon,
March 12, 2003.
26. Novel Functional -Electronic Materials: Low Band Gap Systems, Cation Sensors and
Organogels, TU/e, Eindhoven, The Netherlands, May 01, 2003 (Prof. E. W. Bert Meijer
and Prof. Rene Janssen).
27. Novel Functional -Electronic Materials: OPV Based Organogels, Univ. Groningen, The
Netherlands, May 26, 2003 (Prof. B. Feringa and Dr. van Esch)
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28. OPV Based Organogels: A Novel Class of Functional -Electronic Materials, Univ.
Twente, The Netherlands, June 3, 2003 (Prof. Reinholdt and Dr. Julian Husken).
29. OPV Based Organogels: A Novel Class of Functional -Electronic Materials, Univ.
Nijmegen, The Netherlands, June 4, 2003 (Prof. R. Nolte).
30. -Conjugated Light Harvesting Organogels, NARC, AIST, Tsukuba, Japan, August 4,
2003 (Dr. T. Shimizu).
31. Organic Dye Derived -Conjugated Systems: Oligo- and Polysquaraines as Intrinsic
Conductors and Cation Sensors, Chiba University, Japan August 6, 2003 (Prof. T.
Yamaoka).
32. Light Harvesting with Fluorescent OPV Gels, Tsukuba University, Japan, September 3,
2003 (T. Arai).
33. Self-Assembled OPVs: A Novel Class of Light Harvesting Gels, Himeji Institute of
Technology, Japan, September 16, 2003 (Prof. S. Nakatsuji).
34. -Extended Squaraines as Intrinsic Conductors and Cation Sensors, Kyoto University,
Japan, September 17, 2003 (Prof. K. Tamao).
35. OPV Derived Fluorescent -Electronic Gels, Shinshu University, Japan, September 19,
2003 (Prof. K. Hanabusa).
36. Light Harvesting with Fluorescent OPV Gels, Tokyo University, Japan, September 22,
2003 (Prof. T. Aida).
37. The Creative Chemistry of Noncovalent Interactions: The Supramolecular Approach to
Organic Nanostructures, S. B. College, Changanacherry, September 30, 2003.
38. The Chemistry of Chemosensors, Government Women’s College, Trivandrum,
October 01, 2003.
39. The design of Chemosensors. The Chemistry Beyond Molecules, St. Thomas College,
Trichur, December 2, 2003.
40. Host-Guest Chemistry: A Supramolecular Approach Towards Molecular Machine,
Farook, College, Calicut, December 3, 2003.
41. Exploring the Chemistry of Noncovalent Interactions: Organic Nanostructures and
Supramolecular Electronics, FCBS Workshop for College Chemistry Teachers,
Kottayam, November 17-19, 2003.
42. Organic -Electronic Materials: OPV-Based Light Harvesting Gels and Helical
Nanostructures, Indo-French Symposium on Organic Synthesis, IISc. Bangalore,
November 3-4, 2003.
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43. Pyrrole End-Capped Conjugated Molecules: Novel Building Blocks for Organic
Semiconductors, Indo-Italian Workshop on Organic Semiconductors, IIT, Kanpur,
October 14-17, 2003.
44. Conjugated Molecules in Materials Design: Semiconductors, Sensors, Organogels and
Helices, Prof. Srinivasan Endowment Lecture, MK University, Madurai, March 26,
2004.
45. “Organogels of -Conjugated Oligomers” Invited lecture in Indo-French Symposium on
Fibrillar Networks as Advanced Materials during September 21-23, 2005 in Strasbourg,
France.
46. “-Gels: The Chemistry of -Conjugated Supramolecular Light Harvesting Materials”,
JNC Research Conference on Chemistry of Materials during October 1-3, 2005 in
Quilon.
47. Functional Organic Materials of -Conjugated Self-assemblies, IFCOS Meeting at IICT,
Hyderabad, October 23-25, 2005.
48. Nanosized Supramolecular Architectures of Linear -Conjugated Molecules, IP 2005,
Goa, India, October 23-28, 2005.
49. The Chemistry of -Gels: A Novel Class of Self-assembled Organic Materials, Nanyang
Technilogical University, Singapore, November 2, 2005.
50. Supramolecular Chemistry of Linear -Conjugated Gels, National University of
Singapore, November 4, 2005.
51. -Gels: Novel Supramolecular Scaffold for Fluorescence Resonance Energy Transfer,
National Taiwan Normal University, Taiwan, November 7, 2005.
52. -Gels: Novel Supramolecular Scaffold for Fluorescence Resonance Energy Transfer,
Tamkang University, Taiwan, November 9, 2005.
53. Functional Dye Based Low Optical Band Gap Polymers and Cation Probes, National
Tsing Hua University, Taiwan, November 10, 2005.
54. Functional Dye Based Low Optical Band Gap Polymers and Cation Probes, National
Taiwan University, Taiwan, November 11, 2005.
55. Supramolecular Chemistry: Role of H-Bonding in the Creation of Novel Materials,
Recent Advances in Chemistry, PSGR Krishnammal College, Coimbatore, December
16-17, 2005.
56. Supramolecular -Helices and Organogels, International Symposium on Organic
Chemistry (INSOC) 2006, Kottayam, Kerala, January 10-12, 2006.
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57. Spectroscopy in the Design of Molecular Probes, Recent Advances in Spectroscopy and
Reaction Dynamics, Stella Maris College, Chennai, January 11-13, 2006.
58. Functional Dye Based Molecular Probes for Cations: A Novel Signaling Pathway,
National Symposium on New Challenges in Chemistry, Amritsar, March 20-21, 2006.
59. Supramolecular -Helices and Organogels, F--7, International Conference on
Functional - Systems, Osaka, Japan, May 15-20, 2006.
60. Novel Molecular Probes for Biologically Relevant Cations, Symposium on Role of
Analytical Chemistry in Materials Science and Technology, Munnar, Kerala, April 30-
May 01, 2006.
61. Soft Organic Materials with Sol-Gel Tunable Optical Properties, Osaka University,
Japan, May 15, 2006 (Prof. Azo).
62. Self-assembly of Linear Conjugated - Systems, Kobe University, Japan, May 16, 2006
(Prof. Setsune).
63. Organic Nanostructures, National Symposium on Nanotechnology, All Saint’s College,
Trivandrum, August 17-18, 2006.
64. Controlling the Size, Shape and Functions of Noncovalent Macromolecular
Architectures, Society for Polymer Science India, Trivandrum Chapter, August 18, 2006.
65. Modulation of Fluorescence Emissions in Molecular Self-assemblies, IIT, Kanpur,
August 29, 2006.
66. Controlling the Size, Shape and Functions of Electronically Active Molecular Self-
assemblies, IIT, Madras, September 15, 2006.
67. Self-assembly of Linear - Systems; p-Phenylenevinylene Vs. p-Phenylene ethynylenes,
Chiba University, Japan, November 07, 2006, (Prof. Kitamura).
68. Electronically Active Molecular Self-assemblies, RIKEN, Saitama, Japan, November 09,
2006 (Prof. Tamao).
69. Molecular Self-assemblies of Linear - Systems; Organogels and Light Harvesting
Applications, Tokyo Metropolitan University, Japan, November 13, 2006 (Prof.
Sugiura).
70. Molecular Self-assemblies of Linear - Systems; Tapes, Helices, Vesicles and Gels,
Tokyo University, Japan, November 14, 2006 (Prof. Kato).
71. Molecular Self-assemblies of Linear - Systems; OPVs Vs OPEs, University Tokyo,
Japan, November 15, 2006 (Prof. Ogawa).
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72. Molecular Self-assemblies of Linear - Systems; Morphology, Optical Properties and
Energy Transfer, Tokyo Institute of Technology, November 16, 2006 (Prof. Yamashita).
73. Squarine Dye Based Low Band Gap Materials, Cation Probes and Nanoarchitectures,
International Symposium on Chemistry of Materials, BARC, Mumbai, December 04-08,
2006.
74. Electronically Active Molecular Self-assemblies: From Serendipity to Rational Design,
Current Prespectives in Organic Chemistry, IACS, Kolkata, December 07-09, 2006.
75. Molecualr Self-assemblies and Optical Properties, ICMR-JNCASR Winter School on
Chemistry of Materials, JNCASR, Bangalore, December 12-19, 2006.
76. Controlling the Size, Shape and Functions of Noncovalent Macromolecular
Architectures, MACRO 2006, NCL Pune, December 17-20, 2006.
77. Self-assembly of Two Important Linear -Systems:p-Phenylenevinylenes vs p-
Phenyleneethynylenes .
National Seminar on Frontiers in Organic Chemistry (FOCY 2007) January 11-12, 2007.
78. Molecular Self-Assemblies with Tunable Size, Shape and Optical Properties, Frontiers
of Science Symposium, Irvine, California, January 18-20, 2007.
79. Molecular Self-Assemblies as Scaffolds for Excitation Energy Transfer: Design of
Supramolecular Light Harvesting Antennae, National Symposium on Radiation and
Photochemistry, Chennai, January 28-31, 2007.
80. Rational Design of Functional Molecular Architectures. Current Trend in Chemistry,
Lady Doak College, Madurai, February 05-06, 2007.
81. Electronically Functional Soft Materials of Self-Assembled Linear -Systems, MRSI-
Medal Lecture, MRSI Annual Meeting, NPL, New Delhi, February 14-16, 2007.
82. Functional Supramolecular Architectures of Linear -System, DST-JSPS Asia Academy
Meeting, NCL, Pune, February 23-28, 2007.
83. Self-assembled Organogels with Color tunable Emission, Plenary Lecture at MatCon
2007, International Conference on Materials for the Millennium, Cochin University of
Science and Technology, March 1-3, 2007.
84. Rational Design of Molecular Architectures Indian Academy of Sciences and
Department of Chemistry, Avinashilingam University for Women, March 26-27, 2007
85. Self-assembled Molecular Gels: Materials Chemistry vs. Chemical Biology CSIR-NSFC
Workshop on Organic Chemistry and Chemical Biology: Bridging Bonds for 21st
Century, April 11-13, 2007, NCL Pune.
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86. Self-assembled Molecular Architectures St.Thomas College, Pala April 13, 2007.
87. Molecular Nanoarchitectures for Chemical Biology, National Workshop on Nanoscience
& Nanotechnology, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam May 14, 2007.
88. Molecular and Supramolecular Materials of Functional Dyes and Linear -Systems,
MRSI Trivandrum Chapter, May 15, 2007.
89. Molecular Self-assemblies as Scaffolds for Excitation Energy Transfer, Osaka
University, (Prof. Yoshio Aso) July 04, 2007.
90. Squaraine Dyes: Versatile Chromophores for the Design of Cation Probes and
Nanoarchitectures, Osaka University, (Prof. Yoshio Aso) July 10, 2007.
91. -Organogels: Optical and Morphological Properties July 11, 2007, Osaka University,
ILE (Dr. Nagai)
92. Cation Binding and Self-assembly of Rationally Designed Squaraine Dyes, Osaka
University, (Prof. Harada) July 17, 2007.
93. Helical Supramolecular Architectures of Linear -Systems Nagoya University, (Prof. E.
Yashima) July 20, 2007.
94. -Organogels: Molecular Self-assembly of Linear Aromatic -Systems, ISNA 12,
Awaji Island, July 22-27, 2007.
95. Rational Design of Molecular Self-assemblies with Controlled Size, Shape and
Properties, International Workshop on Nanomaterials NIMS Tsukuba, July 22-28, 2007.
96. Supramolecular Architectures of Linear Aromatic π-Systems: Morphology and
Photoluminescence properties, Post ISNA Meeting, University of Hyogo July 30-31,
2007.
97. Supramolecular Architectures and Organogels of Self-assembled Linear -Systems
Osaka Prefecture University (Prof. Nakazumi/Prof. Yagi) August 01, 2007.
98. Rational Design of Molecules for Size, and Shape Controlled Architectures IFCOS
Meeting, Sept.12-13, 2007, Dinard, France
99. Noncovalently Cross-linked Supramolecular Network Assemblies of Linear -Systems
Dresden Polymer Discussions, Sept.16-19, 2007, Germany
100. Self-assembled Macromolecular Architectures with Optoelectronic Functions, React
2007, September 24-26-2007, Dresden, Germany.
101. Self-assembly of Linear -Systems and Carbon Nanotubes, JNCASR Conference on
Chemistry of Materials, Sept. 28 – Oct. 01, 2007, Munnar, Kerala.
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102. Functional Supramolecular Architectures of Linear -Systems Aquitaine conferences
Polymers 2007, October 16-19, 2007, Arcachon, France.
103. Superhydrophobic Nanocomposites of Self-assembled Linear -Systems and Carbon
Nanotubes, ICAMC, October 24 – 26, 2007, Trivandrum.
104. Functional Supramolecular Architectures, SPSI, Trivandrum Chapter, October 29, 2007.
105. Molecular Architectures with Controlled Size, Shape and Functions, Indian Academy of
Sciences Annual Meeting, November 1-4, 2007, Trivandrum.
106. Molecular Self-assemblies, S. N. College, Chempazhanthy, Trivandrum November 6-
2007
107. Insight into Molecular Self-assemblies, Zamorin’s Guruvayurappan College, Calicut,
November 7-2007.
108. Excitements and Opportunities in Science Research N. S. S. College, Chertala, Alleppy,
November 20-2007.
109. Control of Photoinduced Energy Transfer in Molecular Self-assemblies TSRP, Pune
January 7-11, 2008.
110. Organic Smart Materials, Govt. Engineering College, Barton Hill, Trivandrum,
January 12, 2008.
111. Chemistry, Art and Architectures with Molecules Amritha Viswavidyapeedam,
Amrithapuri, January 14, 2008.
112. Supramolecular Architectures with Controlled Size, Shape and Functions, Cochin
University of Science and Technology, Cochin India, January 18, 2008.
113. Self-assembled Architectures of Short Molecular Wires, Indo-Japan Meeting on “Recent
Trends in Molecular Materials Research” Kovalam, Trivandrum, January 20-22, 2008.
114. Nanocomposites of Self-assembled Linear -Systems and Carbon Nanotubes
SANKEN Conference on New Advances in Nanoscience & Technology, February 4-5,
2008, Awaji Islands, Japan.
115. Nanocomposites of Self-assembled Linear -Systems and Carbon Nanotubes Nagoya
Institute of Technology, February 06, 2008.
116. Supramolecular Chemistry of Linear -Systems, University of Kyoto (Prof. Tamura),
February 07, 2008.
117. Self-assembly of Linear π-Systems: Supramolecular Tapes, Helices, Vesicles and Gels,
NIMS, Tsukuba, February 08, 2008.
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118. Photoinduced Energy Transfer in Self-assembled Gel Forming Linear -Systems
University of Tokyo, (Prof. Aida Group) February 12, 2008.
119. Self-assembled Architectures of p-Phenyleneethynylenes, University of Chiba, February
12, 2008.
120. Fluorescent Organogelators of Linear -Systems RIKEN (Prof. Osada), February 13,
2008.
121. Supramolecular -Gels Tokyo Metropolitan Univ. (Prof. Iyoda), February 14, 2008.
122. Self-assembled Soft Materials with Optoelectronic Functions, MRSI-AGM, Trivandrum,
February 14-16, 2008
123. Self-assembled Soft Materials that Respond to External Stimuli, ICAM, Kottayam,
February 18-20, 2008
124. Excitation Energy Transfer in Molecular Self-assemblies. Workshop on Ultrafast
Processes and Applications, Department of Photonics, CUSAT, Cochin, February 27,
2008
125. Exploring Noncovalent Interactions to the Design of Molecular Probes and
Supramolecular Architectures. Frontiers in Chemistry-2008 March 08, 2008, NIIST,
Trivandrum
126. Self-assembled Organic Materials with Optoelectronic Functions
Modern Trends in Chemistry: Molecules to Materials March 14-15, 2008, JNU, New
Delhi.
127. Solar Energy: The Alternate Energy to Save Earth, National Symposium on Climate
Change and Low Carbon Future, Kerala Agriculture University, Trivandrum, March 28,
2008.
128. Organic Electronics for Energy Efficient Devices, National Technology Day Lecture,
CDAC, Trivandrum, May 9, 2008.
129. Low Molecular Weight –Gels and Nanocomposites, Institute Charles Sadron,
Strasbourg, May 15, 2008.
130. Self-assembly approach to hybrid materials with optoelectronic functions. Future
Directions in Advanced Materials Research Shimla, May 16-19, 2008.
131. Optimizing Solvent Solute Interaction to the Design of Supramolecular –Gels,
Polysolvat, May 21-23, 2008.
132. Nanocomposites of Self-assembled Linear –Systems and Carbon Nanotubes,
Bangalore Nano, December 11-12, 2008.
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133. Organogels as Scaffolds for Energy Transfer: Tunable Emission and Light Harvesting
Properties, Frontiers of Functional Materials, Department of Chemistry, University of
Calcutta, Kolkata, January 6-7, 2009.
134. Organogels as Scaffolds for Photoinduced Energy Transfer, RETROC-2009, Department
of Chemistry, Christian College, Chenganur, January 16, 2009.
135. From Molecules to Analytical Probes and Architectures, SCTIMST, Trivandrum,
January 27, 2009.
136. Supramolecular Chemistry, Refresher Course for Chemistry Teachers, Kerala
University, February 19, 2009.
137. Organic Nanomaterials in Advanced Applications, Titus College, Thiruvalla,
February 24, 2009.
138. Functional Nanomaterials of –Conjugated Molecules, Project Review Meeting,
Kolkata, March 12-14, 2009.
139. Energy Transfer in Self-assembled OPV Gels, Institute of Molecular Science, University
of Bordeuax, March 31, 2009.
140. Self-assembled Architectures of Linear –Systems, University of Strasbourg,
April 06, 2009.
141. Exploring Possibilities of Molecular Self-assemblies in Defence Application, Defence
Laboratory, Jodhpur, April 16-18, 2009.
142. Kuwait Conference of Chemistry 2010 Chemistry & Industry,Kuwait University,Kuwait March 06-09,2010.
143. International Conference on Science and Technology of Synthetic Metals 2010, Kyoto, Japan , July04-09,2010.
18
List of Publications:
1. Polymer-Bound Mixed Carboxylic Dithiocarbamic Anhydrides. A New Class of Selective and Recyclable Solid-phase Acylating Reagents
V. K. Haridasan, A. Ajayaghosh and V. N. R. Pillai J. Org.Chem. 1987, 52, 2662. 2. 2'-Nitrobenzhydryl Polystyrene Resin. A New Photosensitive Polymeric Support for
Peptide Synthesis A. Ajayaghosh and V. N. R. Pillai J. Org. Chem. 1987, 52, 5714.
3. Solid-Phase Synthesis of C-Terminal Peptide Amides Using a Photoremovable alpha-Methylphenacylamido Anchoring Linkage
A. Ajayaghosh and V. N. R. Pillai Proc. Ind. Acad. Sci. (Chem.Sci.) 1988, 100, 389.
4. Polymer-Supported Solid-Phase Synthesis of C-Terminal Peptide N-Methylamides Using a Modified Photoremovable 3-Nitro-4-N-methylaminomethylpolystyrene Support A. Ajayaghosh and V. N. R. Pillai Ind. J. Chem. 1988, 27B, 1004.
5. 2'-Nitrobenzhydryl Polystrene Resin. A New Photolabile Polymeric Support for Carboxyl Protection in Amino Acids A. Ajayaghosh and V. N. R. Pillai Nat. Acad. Sci. Letters, India 1988, 11, 149.
6. Polymer-Supported Synthesis of Protected Peptide Segments on a Photosensitive o-Nitro(alpha-methyl)bromobenzyl Resin,
A. Ajayaghosh and V. N. R. Pillai Tetrahedron 1988, 44, 6661.
7. Solid-Phase Synthesis of N-Methyl and N-Ethylamides of Peptides Using photolytically Detachable 3-Nitro-4-N-alkylaminomethylbenzamidomethyl Polystyrene Resin
A. Ajayaghosh and V. N. R. Pillai J. Org. Chem. 1990, 55, 2826.
8. Laser Flash Photolysis Studies of Aroyl Xanthates and Carboxylic Dithiocarbamic Anhydrides
D. Weir, A. Ajayaghosh, M. Muneer and M. V. George J. Photochem. Photobiol. A. Chem. 1990, 52, 425. 9. Photografting of Acrylic Monomers on Polystyrene Support
19
A. Ajayaghosh, and S. Das J. Appl. Polym. Sci. 1992, 45, 1617.
10. Photophysics and Photochemistry of Squaraine Dyes: 3. Excited State Properties and Poly(4-vinylpyridine)-induced Fluorescence Enhancement of Bis(2,4,6-trihydroxyphenyl)squaraine S. Das, P. V. Kamat, B. De la Barre, K. George Thomas, A. Ajayaghosh and M. V. George J. Phys. Chem. 1992, 96, 10327.
11. Polymer-Bound S-Benzoyl O-Ethyl Xanthate. A New Heterogeneous Photoinitiator A. Ajayaghosh, R. Francis and S. Das Eur. Polym. J. 1993, 29, 63.
12. S-Benzoyl O-Ethyl Xanthate as a New Photoinitiator: Photopolymerization and Laser Flash Photolysis Studies
A. Ajayaghosh, S. Das and M. V. George J. Polym. Sci. Polym. Chem. 1993, 31, 653.
13. A New Photodegradable Polyamide Containing o-Nitrobenzyl Chromophore. Steady State and Laser Flash Photolysis Studies,
T. Mathew, A. Ajayaghosh, S. Das, P. V. Kamat and M. V. George J. Photochem. Photobiol. A. Chem. 1993, 71, 181. 14. Photo-induced Graft Copolymerization of Methyl Methacrylate onto Cellulose Containing Benzoyl Xanthate Chromophore, G. John, C. K. S. Pillai, and A. Ajayaghosh
Polym. Bull. 1993, 30, 415.
15. Synthesis and Photocrosslinking Studies of Some Copolymers of S-Acryloyl O- Ethyl Xanthate,
A. Ajayaghosh, S. Das, P. V. Kamat, P. K. Das and M. V. George Polymer, 1993, 34, 3605.
16. Novel Phototransformation of o-Nitrobenzylic Polymers to Azopolymers, A. Ajayaghosh, S. C. George and M. V. George J. Chem. Soc. Chem. Commun. 1994, 423.
17. Photoresists Based on a Novel Photorearrangement of o-Nitrobenzylic Polymers A. Ajayaghosh, M. V. George and T. Yamaoka J. Mater. Chem. 1994, 4, 1769.
18. Solid-Phase Synthesis and C-Terminal Amidation of Peptides Using a Photolytically Cleavable o-Nitrobenzhydrylamino-polystyrene Support,
20
A. Ajayaghosh and V. N. R. Pillai, Tetrahedron Lett. 1995, 36, 777.
19. Phototransformation of Di-O-Ethyl S,S-Terepthaloyl Dixanthate and Terepthaloic Bis(piperidinedithiocarbamic anhydride),
M. Muneer, A. Ajayaghosh, S. Das and M. V. George, J. Photochem. Photobiol. A: Chem. 1995, 86, 155. 20. Synthesis, Characterization and Copolymerization Behaviour of S-Methacryloyl O-
Ethyl Xanthate, R. Francis and A. Ajayaghosh Polymer 1995, 36, 1091.
21. Macrophotoinitiator Containing Pendant Xanthate Chromophore. Photopolymerization of Methyl Methacrylate and Evaluation of Kinetic Parameters,
A. Ajayaghosh Polymer 1995, 36, 2049.
22. Photophysical and Photoelectrochemical Behavior of Poly(styrene-co-(acrylamido)- 6-aminoacridine),
S. Das, C. S. Rajesh, C. H. Suresh, K. G. Thomas, A. Ajayaghosh, C. Nasr, P. V. Kamat and M. V. George Macromolecules 1995, 28, 4249.
23. Thermal and Acid-catalysed Reaction of Bifunctional Vinyl Ether Urethane in Nonionic and Ionic Polymer Matrices,
Z. Chen, A. Ajayaghosh, T. Yamaoka and M. Sukigara Polym. Adv. Technol. 1995, 6, 733. 24. Photo-Triggered Selective C-Terminal N-Methylamidative Cleavage of
Polyethyleneglycol-Bound Peptides, A. Ajayaghosh and V. N. R. Pillai Tetrahedron Lett. 1996, 37, 6421.
25. A Zwitterionic Dye-Based Conducting Polymers. Synthesis and Optical Properties of Pyrrole-Derived Polysquaraines, Ajayaghosh, C. R. Chenthamarakshan, S. Das and M. V: George,
Chem. Mater. 1997, 9, 644.
26. Enhanced Sensitivity and Selectivity in Metal Ion Recognition Property of an
Oligosquaraine Dye Based Fluorescent Sensor, C. R. Chenthamarakshan and A. Ajayaghosh
21
Tetrahedron Lett. 1998, 39, 1795.
27. Narrow Polydispersed Reactive Polymers by a Photoinitiated Free Radical Polymerization Approach. Controlled Polymerization of Methyl Methacrylate
A. Ajayaghosh and R. Francis, Macromolecules 1998, 31, 1436.
28. Synthesis and Properties of Water Soluble Squaraine Oligomers Containing Pendant Propane Sulfonate Moieties,
C. R. Chenthamarakshan and A. Ajayaghosh Chem. Mater. 1998, 10, 1657.
29. Synthesis and Properties of Alternate Acceptor-Donor Copolymers of Squaric Acid with 1-Dodecyl- and 3-Dodecylpyrroles,
C. R. Chenthamarakshan, J. Eldo and A. Ajayaghosh Macromolecules 1999, 32, 251.
30. A Xanthate Derived Photoinitiator that Recognizes and Controls the Photoinitiated Free Radical Polymerization Pathways of Methyl Methacrylate and Styrene,
A. Ajayaghosh and R. Francis, J. Am. Chem. Soc. 1999, 121, 6599.
31. Squaraine Dye Based Molecular Wires Containing Flexible Oxyethylene Chains as Sensors. Enhanced Fluorescence Response on Li+ Recognition,
C. R. Chenthamarakshan, J. Eldo and A. Ajayaghosh Macromolecules 1999, 32, 5846.
32. Minimization of homopolymer Formation and Control of Dispersity in Free Radical Induced Graft Polymerization Using Xanthate Derived Macro-photoinitiators,
R. Francis and A. Ajayaghosh Macromolecules 2000, 33, 4699.
33. Signaling and Expression of Electronic Effects by Dihydroazulene-
Vinylheptafulvene Photochromism, J. Daub, T. Mrozek and A. Ajayaghosh Mol. Cryst. Liq. Cryst. 2000, 344, 41.
34. Fluorescent Bispyrroles. New Building Blocks for Novel -Conjugated Polymers, J. Eldo, E. Arunkumar and A. Ajayaghosh Tetrahedron Lett. 2000, 41, 6241.
35. Optoelectronic Molecular Switches Based on Dihydroazulene-Vinylheptafulvene (DHA-VHF),
T. Mrozek, J. Daub and A. Ajayaghosh
22
Molecular Switches, Feringa, B. L. (Ed.), Wiley, VCH, 2001, pp 63-106.
36. First Phenylenevinylene Based Organogels. Self-Assembled Nanostructures via
Cooperative Hydrogen Bonding and -Stacking, A. Ajayaghosh and S. J. George J. Am. Chem. Soc. 2001, 123, 5148.
37. A Novel Approach Towards Low Optical Band Gap Polysquaraines, A. Ajayaghosh and J. Eldo Org. Lett. 2001, 3, 2595.
38. Organo-Based Materials for Photonic Applications, S. Das, A. Ajayaghosh, K. R. Gopidas, D. Ramaiah, and K. George Thomas Metals Materials and Processes 2001, 13, 351.
39. New Low Band Gap Polymers. Control of Optical and Electronic Properties in Near
Infrared Absorbing -Conjugated Polysquaraines, J. Eldo and A. Ajayaghosh Chem. Mater. 2002, 14, 410.
40. A Highly Specific Ca2+ Sensor. Signaling via Exciton Interaction in a Rigid-Flexible- Rigid Bichromophoric ‘H’-Foldamer, A. Ajayaghosh, E. Arunkumar and J. Daub Angew. Chem. Int. Ed. 2002, 41, 1766.
41. Controlling the Growth of Conjugated Polymers on Electrode Surface: Synthesis, Electropolymerization and Spectroelectrochemistry of Conjugated Bispyrroles, M. Büeschel, A. Ajayaghosh, J. Eldo and J. Daub Macromolecules 2002, 35, 8405.
42. Gelation Assisted Light Harvesting via Selective Energy Transfer from Oligo(p- phenylenevinylene)-Based Self-Assembly to an Organic Dye, A. Ajayaghosh, S. J. George and V. K. Praveen Angew. Chem. Int. Ed. 2003, 42, 332.
43. Instrinsically conducting low band gap polysquaraines via A-B type polycondensation, A. Ajayaghosh Int. J. Plastics Tech. 2003, 6, 117.
44. Donor-acceptor type low band gap polymers: Polysquaraines and related systems,
A. Ajayaghosh Chem. Soc. Rev. 2003, 32, 181.
23
45. Redox-switchable squaraines with extended conjugation,
M. Büeschel, A. Ajayaghosh, E. Arunkumar and J. Daub Org. Lett. 2003, 5, 2975.
46. A Controlled Supramolecular Approach Towards Cation Specific Chemosensors: Alkaline Earth Metal Ion-driven Exciton Signaling in Squaraine Tethered Podands, E. Arunkumar, P. Chithra and A. Ajayaghosh J. Am. Chem. Soc. 2004, 126, 6590.
47. Coiled-Coil Gel Nanostructures of Oligo(p-phenylenevinylene)s: Gelation Induced Helix
Transition in a Higher Oreder Supramolecular Self-Assembly of a Rigid -Conjugated System, S. J. George, A. Ajayaghosh, P. Jonkheijm, A. P. H. J. Schenning and E. W. Meijer, Angew. Chem. Int. Ed. 2004, 43, 3421.
48. Proton Controlled Intramolecular Photoinduced Electron Transfer (PET) in Podand Linked Squaraine-Aniline Dyads,
E. Arunkumar and A. Ajayaghosh Chem. Commun. 2005, 599.
49. Anion Induced Modulation of Self-Assembly and Optical Properties in Urea End-capped Oligo(p-phenylenevinylene)s,
R. Varghese, S. J. George and A. Ajayaghosh Chem. Commun. 2005, 593.
50. Selective Calcium Ion Sensing with a Bichromophoric Squaraine Foldamer, E. Arunkumar, A. Ajayaghosh and J. Daub J. Am. Chem. Soc. 2005, 127, 3156.
51. Self-Assembled Nanotapes of Oligo(p-phenylenevinylenes)s: Sol-Gel Controlled Optical
Properties in Fluorescent -Electronic Gels, S. J. George and A. Ajayaghosh Chem. Eur. J. 2005, 11, 3217.
52. Chemistry of Squaraine Derived Materials: Near-IR Dyes, Low Band Gap Systems and Cation Sensors, A. Ajayaghosh Acc. Chem. Res. 2005, 38, 449.
53. 1H NMR Spectral Evidence for a Specific Host-Guest Complexation Induced Charge Localization in Squaraine Dyes,
A. Ajayaghosh and E. Arunkumar
24
Org. Lett. 2005, 7, 3135.
54. Hydrogen Bonded Assemblies of Dyes and Chromophores, A. Ajayaghosh, S. J. George and A. P. H. J. Schenning Top. Curr. Chem. 2005, 258, 83.
55. A Ratiometric Fluorescence probe for Selective Visual Sensing of Zn2+, A. Ajayaghosh, P. Carol and S. Sreejith J. Am. Chem. Soc. 2005, 127, 14962.
56. Cholesterol Aided Supramolecular Control on Chromophore Packing: Twisted and Coiled Helices with Distinct Optical, Chiroptical and Morphological Features,
A. Ajayaghosh, C. Vijayakumar, R. Varghese and S. J. George Angew. Chem. Int. Ed. 2006, 45, 456.
57. Transcription and Amplification of Molecular Chirality to Oppositely Biased
Supramolecular -Helices, A. Ajayaghosh, R. Varghese, S. J. George and C. Vijayakumar Angew. Chem. Int. Ed. 2006, 45, 1141.
58. Electrical transport measurements on self-assembled organic molecular wires, M. Durkut, M. Mas-Torrent, P. Hadley, P. Jonkheijm, A. P. H. J. Schenning, E. W.
Meijer, S. J. Goerge, A. Ajayaghosh J. Chem. Phys. 2006, 124, 154704. 59. Evolution of nano-to-microsized spherical assemblies to superstructured organogels of a
short oligo(p-phenyleneethynylene), A. Ajayaghosh, R. Varghese, V. K. Praveen, S. Mahesh Angew. Chem. Int. Ed. 2006, 45, 3261.
60. Self-assembled fibrillar networks of oligo(p-phenylenevinylene) based organogelators, V. K. Praveen, S. J. George, A. Ajayaghosh
Macromol. Symp. 2006, 241, 1.
61. Self-location of acceptors as “isolated” or “stacked” energy traps in a supramolecular donor self-assembly: A strategy to wavelength tunable FRET emission,
A. Ajayaghosh, C. Vijayakumar, V. K. Praveen, S. S. Babu, R. Varghese J. Am. Chem. Soc. 2006, 128, 7174.
62. Self-assembled -nanotapes as donor scaffolds for selective and thermally gated fluorescence resonance energy transfer (FRET),
V. K. Praveen, S. J. George, R. Varghese, C. Vijayakumar, A. Ajayaghosh J. Am. Chem. Soc. 2006, 128, 7542.
25
63. From Vesicles to helical nanotubes: A “sergeant and soldiers” effect in the self-assembly
of Oligo(p-phenyleneethynylene)s, A. Ajayaghosh, R. Varghese, S. Mahesh, V. K. Praveen Angew. Chem. Int. Ed. 2006, 45, 7729.
64. Self-assembly of tripodal squaraines: Cation assisted expression of molecular chirality and change from spherical to helical morphology,
A. Ajayaghosh, P. Chithra, R. Varghese Angew. Chem. Int. Ed. 2007, 46, 230.
65. Quadrupolar -gels: Sol-gel tunable red-green-blue (RGB) emission in donor-acceptor type oligo(p-phenylenevinylene)s,
A. Ajayaghosh, V. K. Praveen, S. Srinivasan, R. Varghese Adv. Mater. 2007, 19, 411.
66. Ratiometric and Near-Infrared Molecular Probes for the Detection and Imaging of Zinc Ions, P. Carol, S. Sreejith, A. Ajayaghosh
Chem. Asian. J. 2007, 2, 338. 67. Self-Assembled Hybrid Oligo(p-phenylenevinylene)–Gold Nanoparticle Tapes,
J. van Herrikhuyzen, S. J. George, M. R. J. Vos, N. A. J. M. Sommerdijk, A. Ajayaghosh, S. C. J. Meskers, A. P. H. J. Schenning Angew. Chem. Int. Ed. 2007, 46, 1825.
68. Metallo Supramolecular Assemblies of Bis-squaraines by Allosteric Ca2+ Ion Binding, S. Yagi, Y. Hyodo, M. Hirose, H. Nakazumi, Y. Sakurai, A. Ajayaghosh Org. Lett. 2007, 9, 1999.
69. Synthesis, Photophysical, and Electroluminescent Properties of Arylenevinylenes-co-pyrrolenevinylenes Derived from Divinylaryl Bridged Bispyrroles, A. K. Biswas, A. Ashish, A. K. Tripathi, Y. N. Mohapatra, A. Ajayaghosh Macromolecules 2007, 40, 2657.
70. π-Organogels of Self-Assembled p-Phenylenevinylenes: Soft Materials with Distinct
Size, Shape, and Functions, A. Ajayaghosh, V. K. Praveen Acc. Chem. Res. 2007, 40,644-656.
71. Molecular wire encapsulated π-organogels: Efficient supramolecular light harvesting
26
antennae with color tunable emission, A. Ajayaghosh, V. K. Praveen, C. Vijayakumar, S. J. George Angew. Chem., Int. Ed. 2007, 46, 6260.
72. Organogels as scaffolds for excitation energy transfer and light harvesting,
A. Ajayaghosh, V. K. Praveen, C. Vijayakumar Chem. Soc. Rev., 2008, 37, 109
73. Squaraine dyes: a mine of molecular materials,
S. Sreejith, P. Carol, P. Chithra, A. Ajayaghosh J. Mater. Chem., 2008, 18, 264.
74. Controlled self-assembly of squaraines to 1D supramolecular architectures with high
molar absorptivity, A. Ajayaghosh, P. Chithra, R. Varghese, K. P. Divya Chem. Commun., 2008, 969.
75. Detection of zinc ion under aqueous conditions using chirality assisted solid-state
fluoresence of bipyridyl based fluorophore, S. Sreejith, K.P. Divya, A. Ajayaghosh Chem. Commun., 2008, 25, 2903.
76. Toroidal nanoobjects from supramolecular rosette assemblies of melamine-linked
oligo(p-phenyleneethynylene) and cyanurates, S.Yagai, S. Mahesh, Y. Kikkawa, K. Unoike, T. Karatsu, A. Kitamura, A. Ajayaghosh Angew. Chem. Int. Ed. 2008, 47, 4691.
77. Carbon Nanotube Triggered Self-Assembly of Oligo (p-phenylenevinylene)s to Stable
Hybrid -Gels, S. Srinivasan, S.S. Babu, V. K. Praveen and A. Ajayaghosh Angew. Chem. Int. Ed. 2008, 47, 5746.
78. Bioinspired Superhydrophobic Coatings of Carbon Nanotubes and Linear pi-Systems Based on the “Bottom-up” Self-Assembly Approach, S. Srinivasan, V. K. Praveen, R. Philip and A. Ajayaghosh Angew. Chem. Int. Ed. 2008, 47, 5750.
79. Solvent Induced Aggregation and Cation Controlled Self-assembly of Tripodal Squaraine Dyes: Optical, Chiroptical and Morphological Properties, P. Chithra, R. Varghese, K. P. Divya and A. Ajayaghosh Chem. Asian. J. 2008, 3, 1365.
80. A Near-Infrared Squaraine Dye as a Latent Ratiometric Fluorophore for the Detection of Aminothiol Content in Blood Plasma
27
S. Sreejith, K. P. Divya, and A. Ajayaghosh Angew. Chem. Int. Ed. 2008, 47, 7883.
81. Self-Assembly of Oligo(para-phenylenevinylene)s through Arene-Perfluoro Interactions:
π Gels with Longitudinally Controlled Fiber Growth and Supramolecular Exciplex-Mediated Enhanced Emission S. S. Babu, V. K. Praveen, S. Prasanthkumar, and A. Ajayaghosh
Chem. Eur. J. 2008, 14, 9577.
82. Helical supramolecular architectures of self-assembled linear -Systems
V. K. Praveen, S. S. Babu, C. Vijayakumar, R.Varghese, and A. Ajayaghosh
Bull. Chem. Soc. Jpn. 2008, 81, 1196.
83. Noncovalent Macromolecular Architectures of Oligo(p-phenylenevinylene)s (OPVs). Role of End Functional Groups on the gelation of Organic Solvents S. S. Babu, V. K. Praveen, and A. Ajayaghosh Macromol. Symp. 2008, 273, 25.
84. Reversible Transformation between Rings and Coils in a Dynamic Hydrogen-Bonded Self-Assembly S. Yagai, S. Kubota, H. Saito, K. Unoike, T. Karatsu, A. Kitamura, A. Ajayaghosh, M. Kanesato, Y. Kikkawa J. Am. Chem. Soc. 2009, 131, 5408.
85. RGB Emission through Controlled Donor Self-Assembly and Modulation of Excitation Energy Transfer: A Novel Strategy to White-Light- Emitting Organogels C. Vijayakumar, V. K. Praveen, A. Ajayaghosh Adv. Mater. 2009, 21, 2059.
86. Solvent-Directed Self-Assembly of Gelators to Hierarchical Macroporous Structures and Aligned Fiber Bundles S. S. Babu, S. Mahesh, K. K. Kartha, A. Ajayaghosh Chem. Asian J. 2009, 4, 824
87. Probing the Initial Stages of Molecular Organization of Oligo(p-phenylenevinylene) Assemblies with Monolayer Protected Gold Nanoparticles V. R. R. Kumar, V. Sajini, T. S. Sreeprasad, V. K. Praveen, A. Ajayaghosh, T. Pradeep Chem. Asian J. 2009, 4, 840.
88. Hybrid Thermoreversible Gels from Covalent Polymers and Organogels
D. Dasgupta, S. Srinivasan, C. Rochas, A. Ajayaghosh, J. M. Guenet Langmuir, 2009, 25, 8593.
89. Anisotropic Self-Assembly of Photoluminescent Oligo(p-phenylenevinylene) Derivatives in Liquid Crystals: An Effective Strategy for the Macroscopic Alignment of π-Gels
28
Y. Hirai, S. S. Babu, V. K. Praveen, T. Yasuda, A. Ajayaghosh and T. Kato Adv. Mater. 2009, 21, 4029. 90. Role of Complementary H-Bonding Interaction of a Cyanurate in the Self-assembly and
Gelation of Melamine Linked Tri(p-phenyleneethynylene) S. Mahesh, R. Thirumalai, S. Yagai, A. Kitamura and A. Ajayaghosh Chem. Commun. 2009, 41, 5984 (with cover page).
91. Reversible Self-assembly of Entrapped Fluorescent Gelators in Polymerized Styrene Gel Matrix: Erasable Thermal Imaging via Recreation of Supramolecular Architectures S. Srinivasan, P. A. Babu, S. Mahesh, A. Ajayaghosh J. Am. Chem. Soc. 2009, 131, 15122–15123.
92. A complementary guest induced morphology transition in a two-component multiple H-bonding self-assembly T. Tazawa, S. Yagai, Y. Kikkawa, T. Karatsu, A. Kitamura and A. Ajayaghosh Chem. Commun. 2010, 46(7), 1076-1078.
93. Solution phase epitaxial self-assembly and high charge-carrier mobility nanofibers of semiconducting molecular gelators S. Prasanthkumar, A. Saeki, S. Seki and A. Ajayaghosh J. Am. Chem. Soc.2010,132, 8866-8867
94. Rational design of Nanofibers and nanorings through complementary hydrogen-bonding Interactions of functional π systems S.Yagai,H.Aonuma,Y.Kikkawa,S.Kubota,T.Karatsu,A.Kitamura, S.Mahesh and A.Ajayaghosh Chem. Eur. J.2010, 16 , 8652-8661
95. A Zn2+-specific fluorescent molecular probe for the selective detection of endogenous cyanide in biorelevant samples Divya, K.P., Sreejith, S., Balakrishna, B., Jayamurthy, P., Anees, P., Ajayaghosh, A. Chem. Commun., 2010, 46, 6069-6071
96. Self-Assembly of Thienylenevinylene Molecular Wires to Semiconducting Gels with Doped Metallic Conductivity S. Prasanthkumar, A. Gopal, A.Ajayaghosh J. Am. Chem. Soc,2010,.132, 13206-13207.
97. Conformational Control in a Bipyridine Linked -conjugated Oligomers: Cation Mediated Helix Unfolding and Refolding K. P. Divya, S. Sreejith, C. H. Suresh, A. Ajayaghosh
Chem Commun., 2010, 46, 8392-8394. 98. Excited State Processes in Linear π-System-Based Organogels S. S. Babu, K. K. Kartha, A. Ajayaghosh J. Phys. Chem. Lett., 2010, 1 (23), 3413–3424
99. Multiple Analyte Response and Molecular Logic Operations by Excited-State Charge-
Transfer Modulation in a Bipyridine Integrated Fluorophore
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S. Sreejith, K. P. Divya, T. K. Manojkumar, A. Ajayaghosh Chem. Asian J.,2011, DOI: 10.1002/asia.201000637
100. Excitation energy migration in oligo(p-phenylenevinylene) based organogels: Structure-property relationship and FRET efficiency
C. Vijayakumar, V. K. Praveen, K. K. Kartha, A. Ajayaghosh Physical Chemistry Chemical Physics,2011 , 13, 4942-4949. 101. Insight into the gelation habit of oligo(para-phenylene vinylene) derivatives: effect of end-groups D. Dasgupta, S. Srinivasan, C. Rochas, A. Thierry, A. Schroder, A. Ajayaghosh, J. M.
Guenet Soft Matter, 2011,7, 2797-2804. Book Chapters:
1. Optoelectronic Molecular Switches Based on Dihydroazulene-Vinylheptafulvene (DHA-
VHF),
T. Mrozek, J. Daub and A. Ajayaghosh in Molecular Switches, Feringa, B. L. (Ed.),
Wiley, VCH, 2001, pp 63-106.
2. H-bonded assemblies of dyes and extended pi-systems,
A. Ajayaghosh, S. J. George, A. P. H. J. Schenning
Top. Curr. Chem. 2005, 258, 83.
Patent Filed
1. Nanocomposite material useful for the preparation of superhydrophobic coating and a
process for the preparation thereof – PCT/IN08/00538
2. White light emitting organogel and process thereof – PCT/IN08/00372
3. Pyrrole end-capped bipyridine assay powder for selective detection of zinc ions and a
process for the preparation thereof – PCT/IN08/00374
4. A Fluorescent composite film material for security documentation and detection of
chlorinated solvent vapors and a process for preparation thereof-0050NF2009 (applied)
5. A reusable thiophene end capped bipyridine fluorescent assay for the detection of
cyanide anions in aqueous and biorelevant samples and a process thereof (applied)