Electrochromic windows based on viologen-modified nanostructured TiO2 films

被引:149
作者
Cinnsealach, R [1 ]
Boschloo, G [1 ]
Rao, SN [1 ]
Fitzmaurice, D [1 ]
机构
[1] Univ Coll Dublin, Dept Chem, Dublin 4, Ireland
关键词
electrochromic; nanostructured metal oxide; TiO2 (anatase); viologen;
D O I
10.1016/S0927-0248(98)00096-8
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The construction of an electrochromic window based on a modified transparent nanostructured metal oxide film (TiO2 anatase, 4.0 mu m thick) supported on conducting glass (F-doped tin oxide, 10 Ohm/square, 0.5 mu m thick) is described. The nanostructured TiO2 film is modified by adsorption of a monolayer of the redox chromophore bis-(2-phosphonoethyl)-4,4'-bipyridinium dichloride, the electrolyte is 0.05 M LiClO4 and 0.05 M ferrocene in gamma-butyrolactone and the counter electrode is conducting glass. The performance of the above device (colouration efficiency of 170 cm(2) C-1 at 608 nm, switching time of 1 s and stability over 10 000 standard test cycles) suggests an electrochromic technology with commercial potential. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:215 / 223
页数:9
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