nano 101: exploring the nanoworld - nise network · 2017-04-07 · “nano” all around usall...
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Nano 101:Exploring the Nanoworld
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OutlineOutline
What Why
Wh
y
Who
Where How
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“Nano” All Around UsNano All Around Us
Tata Nano
Self-cleaning windows
Apparel with silver nanoparticles
Samsung washing machine Baby gear
VX Nano Cordless Laser Mouse
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But what is nanotechnology?But what is nanotechnology?
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Nano Not Widely UnderstoodNano Not Widely Understood
Science & EngineeringScience & Engineering Indicators 2008• 20% knew “some” or “a
lot” about nanotech• 54% knew nothing at all
B t ti• But supportive
2004
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Nanotechnology: S ll Diff NSmall, Different, New
F d l d fi iti (NNI)Federal definition (NNI)Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications. ppEncompassing nanoscale science, engineering and technology, nanotechnology involves imaging, measuring, modeling, and manipulating matter at this length scale.
Public definition1. The nanometer is extremely small. 2 At the nanometer scale materials may behave differently2. At the nanometer scale, materials may behave differently. 3. We can harness this new behavior to make new technologies.
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Nanometer:P f Th M i SPart of The Metric System
kilometer km 1,000 1X103
meter m 1 1X100
millimeter mm 1/1,000 1X10-3
micrometer m 1/1 000 000 1X10-6micrometer m 1/1,000,000 1X10-6
nanometer nm 1/1,000,000,000 1X10-9
picometer pm 1/1,000,000,000,000 1X10-12
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Size and Scale: F f 1000Factors of 1000
Hair: ~40 microns
meters
100 10-6m
icrom Bacteria:3-5 micronseters
3 5 microns
na
10-3m
illime
10-9
anometers
Virus: 3-50 nm
eters
s
Courtesy of Dr. Charles Tahan
1 nm = 10 Hydrogen atoms:
DNA: 1-2 nm diameter
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Nano Fun FactNano Fun Fact
fIn the time it takes to read this sentence, your fingernails will have grown approximately one nanometer (1 nm).
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So how small is a nanometer?So how small is a nanometer?
If you could paint a gallon of paint one nanometer thick, how much area would it cover?
??
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Very very very small !!Very, very, very small !!
A gallon of paint could cover the entire Arlington National Cemetery one nanometer thick.
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Why Nanotechnology?Why Nanotechnology?
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Smallness Leads to New P iProperties
ColorMelting pointg p
StrengthConductivityBulk Aluminum
Bulk Gold
ConductivityReactivity
Nano GoldNano Aluminum
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Big Potential = Jobs and CareersBig Potential Jobs and Careers
Medical Applications
Information TechnologyInformation Technology
Energy Solutions
Water Desalination
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Why Nano EducationWhy Nano Education
Drawbacks AdvantagesDrawbacksNot inherently interesting –compared to dinosaurs or
AdvantagesCutting-edge
Future jobs and careerspBody Worlds
Below visible threshold
Future jobs and careers
Fundamental science
Breaks down disciplinaryUnexpected properties
Breaks down disciplinary boundaries
Fun!Fun!
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Where is Nanotechnology?Where is Nanotechnology?
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Nanotechnology All around Us and N t h l th E blNanotechnology the Enabler
www.nanotechproject.org/inventories/consumer
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Everyday Nanotechnology:N BNano Bag
What They SayThe best of Art and Nanotechnology, RxNano Handmade Bags(Nano Handmade Knit Wool Handbag)
Features: 1. Beautiful & Unique Design 2. Non hazardous Material (100% Safety) 3. Wool & Polyester with Super VLR-Photocatalyst 4. High Performance in Self Cleaning from germ, chemicals and dust
in the air. (Excellent Antiseptic, Deodorization, Air Purification, Anti-UV)
Unique selling point: RxNano handmade bags are combined with the next generation photocatalyst (nanotechnology) and beautiful & unique design (handmade). They are art and hi-technology products.
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Everyday Nanotechnology:D l 000 A i G ffi i P iDeletum 5000 Anti-Graffiti Paint
What Others SayDeletum 5000’s special ingredient is silica. It is loaded with particles of the stuff that are but a few nanometres (billionths of a metre) across. These particles have had both oil-repellent and water-repellent molecules attached to their surfaces. [. . .] The result is that most agents used by graffiti artists will not stick to g y gthat surface—and what does stick can be washed or brushed off easily.
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A Lot Still in the LabA Lot Still in the Lab
Current and formerCurrent and former graduate students at the University of Wisconsin
Nancy Karuri
Brian Clare
Bi Y
Karien Rodriguez
Bin Yang
Rachel Cannara
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Nanotechnology’s Future: I D lIn Development
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Nanotechnology’s Future?D idi Wh GDeciding Where to Go
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Who does nanotechnology?Who does nanotechnology?
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An Interdisciplinary EndeavorAn Interdisciplinary Endeavor
Engineering PhysicsEngineering Physics
Nanoscience&
MedicineChemistry
Nanotechnology
Biotechnology
Materials Science
Biology Information Technology
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An Interdisciplinary EndeavorAn Interdisciplinary Endeavor
Engineering PhysicsEngineering Physics
SociologyEthics
Nanoscience&
MedicineChemistry
Nanotechnology
Biotechnology
Materials SciencePhilosophy
Policy
Biology Information Technology
Policy
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Nanotechnology Research in M E iMany EnvironmentsUniversitiesIndustries
Large companiesStart-ups
Government LabsR f d ti lRange of educational levels
Not just Ph D s!Not just Ph.D.s!Range of disciplines
Including policy, art, g p ysocial sciences
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How do researchers work at theHow do researchers work at the nanoscale?
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Scanning Probe Microscopy (SPM): “F li ” S f“Feeling” a Surface
Path of tip
Tip
p
Atom Surface
.
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SPM: Measuring PropertiesSPM: Measuring Properties
topography
frictionfriction50x50 µm2 imagesDiamond surfacesliding direction
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Imaging the Nanoscale:U d di i h S iUnderstanding without Seeing
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Imaging the Nanoscale:U d di i h S iUnderstanding without Seeing
Sample
PR
OB
PROBE
Pull Probe StripP b
BE
Pull Probe StripProbe
Pull Probe StripPull Probe Strip
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Which best represents the poles?
(a) (b) (c)
Which best represents the poles?
(a) (b) (c)
North South
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SPM: Moving AtomsSPM: Moving Atoms
Tip
AtomTunable
bond
SurfaceSurface
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SPM: Moving Atoms into Q C lQuantum Corrals
IBM
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Cool but a Slow Way to GoCool, but a Slow Way to Go
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Self-AssemblySelf Assembly
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SummarySummary
Small different newWhat
Small, different, newScale of the nanometer, one billionth of a meterEveryday and exotic
WhyBig potential and big impactFun!
WhoLots of people from a variety of disciplinesYou!
WhereIn the lab and in the marketplaceYour institution!
HowBeyond light microscopes; SPM NISE Net!
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AcknowledgmentsAcknowledgments
NISE Net & UW MRSEC Personnel and Collaborators
National Science FoundationNSF Nanoscale Informal Science Education Network (DRL-0532536)
S S C
NISE Net & UW MRSEC Personnel and Collaborators
NSF Materials Research Science and Engineering Center on Nanostructured Interfaces (DMR-0079983 and DMR-0520527)
NSF Internships in Public Science Education (DMR-0120897 and DMR-0424350)DMR 0424350)
Any opinions, findings and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the views of the National Science Foundation (NSF).
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ReferencesReferencesSlide 5: Nano Not Widely Understood
– O M Castellini et al Nanotechnology and the Public: Effectively Communicating Nanoscale Science and Engineering– O.M. Castellini et al. Nanotechnology and the Public: Effectively Communicating Nanoscale Science and Engineering Concepts. Journal of Nanoparticle Research 9(2): 183-189 (2007)
– National Science Board. Science and Engineering Indicators 2008.
Slide 9: Nano Fun Fact, www.starling-fitness.com/wp-content/P1030148.jpgSlide 11: Very, very, very small!, www.usconstitution.com/arlingtonnational.htmSlide 22: Deciding where to go, en.wikipedia.org/wiki/Space_elevatorSlide 24-5: Who Does Nano, Based upon www.kuleuven.be/nanotechnology/taart.gifSlide 25: Who Does Nano, pt 2, C. Miller et al., “Nanotechnology & Society: Ideas for Education and Public Engagement.” http://mrsec.wisc.edu/Edetc/society/nano and society.pdfPublic Engagement. http://mrsec.wisc.edu/Edetc/society/nano_and_society.pdfSlide 28: SPM: “Feeling,” G. Timp. Nanotechnology. 1999.Slide 29: SPM: Measuring Properties, R. Carpick, UW/U Penn.Slide 33: STM: Moving Atoms, G. Timp. Nanotechnology. 1999.Slide 34: Quantum Corral, M.F. Crommie, C.P. Lutz, D.M. Eigler. Confinement of electrons to quantum corrals on a metal surface. Science 262, 218-220 (1993). www.ibm.comSlide 35: IBM logo, D.M. Eigler, E.K. Schweizer. Positioning single atoms with a scanning tunneling microscope. Nature 344, 524-526 (1990). www.ibm.comSlide 36: Self-Assembly, Cover. MRS Bulletin, Oct 2005; Cell membrane, http://library.thinkquest.org/C004535/cell_membranes.html; DNA, http://www.csb.yale.edu/userguides/graphics/ribbons/help/dna_rgb.html