Interfacial engineering affects the photocatalytic activity of poly(3-hexylthiophene)-modified TiO2

被引：13
|
作者：
Huang, Jen-Hsien [1 ]
Ibrahem, Mohammed Aziz [1 ,2 ,3 ]
Chu, Chih-Wei [2 ,4 ]
机构：
[1] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
[2] Acad Sinica, Res Ctr Appl Sci, Taipei 11529, Taiwan
[3] Acad Sinica, Taiwan Int Grad Program, Nanosci & Technol Program, Taipei 115, Taiwan
[4] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan
来源：
RSC ADVANCES | 2013年 / 3卷 / 48期
关键词：
NANOPARTICLES; DEGRADATION; POLYANILINE;
D O I：
10.1039/c3ra43393e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, oxidation polymerization was used to synthesize poly(3-hexylthiophene) (P3HT)-modified TiO2 nanoparticles (NPs) and then the effect of the interface between the TiO2 NPs and the P3HT coating on the system's photocatalytic ability under visible light was investigated. The photocatalytic properties of the TiO2 NPs were enhanced from the UV to the visible after incorporation of P3HT. Moreover, charge transfer between the TiO2 NPs and the P3HT coating was promoted when a self-assembled monolayer (SAM) of 2-thiophenecarboxylic acid was present at their interface; this SAM decreased the barrier for charge transfer between the TiO2 NPs and the P3HT coating, leading to improved photocatalytic activity under visible light.
引用
收藏
页码：26438 / 26442
页数：5
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