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Supplementary Material
for the manuscript
Coating porous membranes with a photocatalyst: Comparison of
LbL self-assembly and plasma-enhanced CVD techniques
by
Brian J. Starr1, Volodymyr V. Tarabara1*, Ming Zhou2, Stéphanie Roualdès2, André
Ayral2
1 Department of Civil and Environmental Engineering, Michigan State University,
East Lansing, MI 48824, USA
2 Institut Européen des Membranes, CNRS-ENSCM-UM, cc047, Université de
Montpellier, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
April 10, 2016
Corresponding author
1
(A)
Element Line Type
k Ratio Wt% Wt% Sigma
Atomic % Standard Label
Factory Standard
C K series
0.24936 32.02 0.32 40.17 C Vit Yes
O K series
0.28405 61.33 0.32 57.76 SiO2 Yes
Na K series
0.00317 0.56 0.07 0.37 Albite Yes
Al K series
0.00149 0.14 0.03 0.08 Al2O3 Yes
Ca K series
0.00383 0.23 0.03 0.09 Wollastonite Yes
Ti K series
0.05843 3.93 0.07 1.24 Ti Yes
Zr L series
0.02548 1.77 0.11 0.29 Zr Yes
Total: 100.00 100.00
Figure S1: EDS spectrum collected from (A) medium sublayer (see Figure 4B) and (B) top layer (see Figure 4C) of an uncoated membrane.
2
(B)
Element Line Type
k Ratio Wt% Wt% Sigma
Atomic % Standard Label
Factory Standard
Standard Calibration
DateC K
series0.72689 51.80 0.26 59.42 C Vit Yes
O K series
0.23883 46.52 0.26 40.07 SiO2 Yes
Na K series
0.00383 0.43 0.04 0.26 Albite Yes
Ca K series
0.00281 0.12 0.01 0.04 Wollastonite Yes
Ti K series
0.00699 0.33 0.02 0.10 Ti Yes
Fe K series
0.00068 0.03 0.01 0.01 Fe Yes
Zr L series
0.01593 0.76 0.06 0.11 Zr Yes
Total: 100.00 100.00
Figure S1 (continued): EDS spectrum collected from (A) medium sublayer (see Figure 4B) and (B) top layer (see Figure 4C) of an uncoated membrane.
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Figure S2: SEM images of the permeate side of an uncoated ceramic membrane
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Figure S3: SEM images of the permeate side of a ceramic membrane coated with TiO2 nanoparticles by the LbL method.
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Figure S3(continued):
SEM images of the permeate side of a ceramic membrane coated with TiO2 nanoparticles by the LbL method.
8
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Figure S3(continued):
SEM images of the permeate side of a ceramic membrane coated with TiO2 nanoparticles by the LbL method.
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Figure S4: SEM images of the permeate side of a ceramic membrane coated with TiO2 by PECVD method.
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