Enhanced photocatalysis by coupling of anatase TiO2 film to triangular Ag nanoparticle island
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- 作者：Jinxia Xu (1) (3)
Xiangheng Xiao (1) (2) (3)
Feng Ren (1) (3)
Wei Wu (1) (3)
Zhigao Dai (1) (3)
Guangxu Cai (1) (3)
Shaofeng Zhang (1) (3)
Juan Zhou (1) (3)
Fei Mei (4)
Changzhong Jiang (1) (3) - 关键词：plasmon ; photocatalysis ; nanospheres lithography ; Ag nanoparticle island
- 刊名：Nanoscale Research Letters
- 出版年：2012
- 出版时间：December 2012
- 年：2012
- 卷：7
- 期：1
- 全文大小：434KB
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Xiangheng Xiao (1) (2) (3)
Feng Ren (1) (3)
Wei Wu (1) (3)
Zhigao Dai (1) (3)
Guangxu Cai (1) (3)
Shaofeng Zhang (1) (3)
Juan Zhou (1) (3)
Fei Mei (4)
Changzhong Jiang (1) (3)
1. Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan, 430072, People 鈥?s Republic of China
3. Center for Electron Microscopy and School of Physics and Technology, Wuhan University, Wuhan, 430072, People 鈥?s Republic of China
2. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, People 鈥?s Republic of China
4. School of Electrical & Electronic Engineering, Hubei University of Technology, Wuhan, 430068, People 鈥?s Republic of China - ISSN：1556-276X
文摘
In order to overcome the low utilization ratio of solar light and high electron-hole pair recombination rate of TiO2, the triangular Ag nanoparticle island is covered on the surface of the TiO2 thin film. Enhancement of the photocatalytic activity of the Ag/TiO2 nanocomposite system is observed. The increase of electron-hole pair generation is caused by the enhanced near-field amplitudes of localized surface plasmon of the Ag nanoparticles. The efficiently suppressed recombination of electron-hole pair caused by the metal-semiconductor contact can also enhance the photocatalytic activity of the TiO2 film.