supporting information nanofibrous film for effective oil ...s1 supporting information a facile...
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Supporting information
A facile synthesis of highly stable superhydrophobic nanofibrous film for effective oil/water separation Xian Kong,a,b Junming Zhang,b Xuepin Liao,b Xin Huang,a,b* Bi Shi a,b*
aDepartment of Biomass Chemistry and Engineering, Sichuan University, Chengdu
610065, China
bNational Engineering Laboratory for Clean Technology of Leather Manufacture,
Sichuan University, Chengdu 610065, China
*Corresponding authors: [email protected] (X. Huang) and
[email protected] (B. Shi)
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2016
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Fig. S1 Particle diameter distribution of TiO2 nanoparticles on SNF.
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Fig. S2 FESEM images of CFM (a) and VTEO-CFM (b); (c) and (d) are their
corresponding images at higher magnifications.
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Fig. S3 SEM images and SEM-EDS mapping images for the surface of VTEO-CFM
(a, b) and for the cross section of VTEO-CFM (c, d), respectively. The scale bar is 0.3
mm.
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Fig. S4 Ti 2p core level XPS spectrum of TiO2-CFM surface (a), and Si 2p (b) core
level XPS spectrum of SNF surface.
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Fig. S5 Photographs of CFM (a), TiO2-CFM (b), VTEO-CFM (c), SNF (d) immersed
in water. Mirror like phenomenon on the SNF submerged in water (e).
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Fig. S6 Images of static water droplets (5 μL) on TiO2-CFM coated by γ-
aminopropyltriethoxysilane (a), trimethoxy(octadecyl)silane (b), respectively.
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Fig. S7 The separation efficiency of SNF for the different ratio mixture of the water
and octane (a) and dodecane (b) for 5 cycles.
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Fig. S8 The separation efficiency of SNF for the different ratio mixture of the water
and gasoline (a) and diesel oil (b) for 5 cycles.
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Fig. S9 Optical image showing the system to determine the water intrusion pressure
of SNF (water was dyed with methyl blue).
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Fig. S10 FESEM images for the surface (a-c) and cross section (d-f) of PTFE.