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Abstract:
A novel polyvinylidene fluoride (PVDF) membrane, i.e. Ag/TiO2/PVDF composite membrane, was prepared via the blending/photo reduction combined method in this paper. And the influence of Ag/TiO2 embedment on the surface property of PVDF membrane was discussed, including the surface hydrophilicity and visible-light response activity. ATR/FTIR characterization certified that amount of hydroxyl group (OH) was formed on the PVDF membrane surface owing to the embedment of Ag/TiO2. The results suggested that the increased hydrophilicity of PVDF membrane can be achieved through the addition of Ag/TiO2 nanoparticles because the surface hydroxyl group (OH) had great contribution to membrane hydrophilicity. The increased hydrophilicity was also demonstrated by the contact angle measurement. In a word, Ag/TiO2 improved the surface hydrophilicity of PVDF membrane in contrast with virgin PVDF membrane. Besides, Ag/TiO2 nanoparticle provided PVDF membrane with an enhanced visible-light response activity. Ag/TiO2/PVDF composite membrane showed excellent activity on degradation of methylene blue (MB) and inactivation of bacterial under visible-light illumination. I hope this research can provide a new way for PVDF surface modification. (C) 2014 Elsevier B.V. All rights reserved.
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APPLIED SURFACE SCIENCE
ISSN: 0169-4332
Year: 2015
Volume: 324
Page: 82-89
3 . 1 5
JCR@2015
6 . 3 0 0
JCR@2023
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:335
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 82
SCOPUS Cited Count: 89
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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