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Photoelectrochemical Properties of Ag/TiO2 Electrodes Constructed Using Vertically Oriented Two-Dimensional TiO2 Nanosheet Array Films

Vertically oriented two-dimensional TiO2 nanosheet (TNS) array films with dominant {001} facets decorated with Ag nanoparticles were synthesized on fluorine-doped tin oxide (FTO) by hydrothermal treatment and a successive ionic layer adsorption reaction (SILAR) technique. The amount of Ag nanopartic...

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Published in:Journal of the Electrochemical Society 2016-01, Vol.163 (3), p.H180-H185
Main Authors: Yang, Lei, Chu, Delin, Chen, Yu, Wang, Weihua, Zhang, Qianghua, Yang, Jinghong, Zhang, Miao, Cheng, Yunlang, Zhu, Kerong, Lv, Jianguo, He, Gang, Sun, Zhaoqi
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container_issue 3
container_start_page H180
container_title Journal of the Electrochemical Society
container_volume 163
creator Yang, Lei
Chu, Delin
Chen, Yu
Wang, Weihua
Zhang, Qianghua
Yang, Jinghong
Zhang, Miao
Cheng, Yunlang
Zhu, Kerong
Lv, Jianguo
He, Gang
Sun, Zhaoqi
description Vertically oriented two-dimensional TiO2 nanosheet (TNS) array films with dominant {001} facets decorated with Ag nanoparticles were synthesized on fluorine-doped tin oxide (FTO) by hydrothermal treatment and a successive ionic layer adsorption reaction (SILAR) technique. The amount of Ag nanoparticles on the TNS array surface can be controlled by changing the silver nitrate (AgNO3) solution concentration. The morphology, microstructure, optical, and photoelectrochemical properties of the Ag/TNS films were investigated in detail. The Ag/TNS films sensitized with five SILAR cycles showed the best photoelectrochemical properties and exhibited higher exciton separation efficiency. These excellent properties can be attributed to in situ growth of TNS with high energy {001} facets on FTO combined with surface plasmon resonance (SPR) of Ag nanoparticles.
doi_str_mv 10.1149/2.0641603jes
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title Photoelectrochemical Properties of Ag/TiO2 Electrodes Constructed Using Vertically Oriented Two-Dimensional TiO2 Nanosheet Array Films
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