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Photoelectrochromism of Dye-sensitized Nanoporous TiO2 Film Combined with Electrodeposited WO3 Film
Li Buyu,Zhang Li*,Guo Jiahao,Cai Shengmin
Author NameAffiliationE-mail
Li Buyu Depatrment of Chemistry Engineering, North University of China, Taiyuan 030051  
Zhang Li* Department of Chemistry Biology, Suzhou College, Suzhou 234000 zhlisuzh@sina.com  
Guo Jiahao College of Chemistry and Molecular Engineering Peking University, Beijing 100871  
Cai Shengmin College of Chemistry and Molecular Engineering Peking University, Beijing 100871  
Abstract:
The light-to-electricity conversion process of the TiO2 nanostructured electrode sensitized by a dye was investigated using the photoelectrochemical method in this paper. At the same time, the WO3 thin film was electrodeposited on conducting glass. The results showed that the dye-sensitized nanoporous TiO2 film has the properties of energy conversion, along with good electrochromic properties of electrodeposited MoO3 thin film. A self-powered smart window was achieved by combining a dye-sensitized nanoporous TiO2 film as the photovoltaic layer and an electrodeposited WO3 film as the electrochromic layer. This window changed from being almost transparent to blue spontaneously under illumination, and thus could modulate light transmittance.
Key words:  Photoelectrochromism, WO3 thin film, Electrodeposition, Self-powered smart window
FundProject:
染料敏化TiO2/WO3薄膜电池的光电变色
李不鱼,张莉*,过家好,蔡生民
摘要:
用光电化学方法研究了染料Ru(П)(4,4′-di-COOEt-2,2′-bpy)2(2,2′-bpy-4,4′-di-CONH-L-tyrosine ethyl ester)(PF6)2(简写为Ru4)敏化TiO2纳米结构电极的光电转换过程,同时,在导电玻璃上电沉积得到WO3薄膜.结果表明,染料敏化的TiO2多孔膜具有光电转换性能, WO3薄膜具有良好的电致变色效应,将前者与电沉积得到的WO3薄膜组成电池,在白光照射下可产生显著的颜色变化,有望用于自供电源的电色灵巧窗(Self powered smart window).
关键词:  光电变色  WO3薄膜  电沉积  自供电源灵巧窗
DOI:10.1088/1674-0068/18/2/247-250
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