Correlation of Ti3+ states with photocatalytic enhancement in TiO2-passivated p-GaAs
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- 作者：Jing Qiua ; Guangtong Zengc ; Mingyuan Gea ; Shermin Arabb ; Matthew Mecklenburgd ; Bingya Houb ; Chenfei Shena ; Alexander V. Benderskiic ; Stephen B. Croninb ; c ;
- 关键词：Photocatalysis ; H2 evolution ; Energy conversion ; GaAs ; TiO2 ; Solar fuel
- 刊名：Journal of Catalysis
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：337
- 期：Complete
- 页码：133-137
- 全文大小：886 K
文摘
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Correlation of Ti3+ states with photocatalytic enhancement is supported by XPS and photoluminescence spectroscopy.
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p-GaAs passivated by 1 nm TiO2 films shows the highest performance.
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No enhancement is observed for TiO2 thicknesses above 10 nm due to its crystalline nature.