Nitroxide Radicals as Highly Reactive Redox Mediators in Dye-Sensitized Solar Cells

被引：83
|
作者：
Kato, Fumiaki [1 ]
Kikuchi, Akitomo [1 ]
Okuyama, Takumi [1 ]
Oyaizu, Kenichi [1 ]
Nishide, Hiroyuki [1 ]
机构：
[1] Waseda Univ, Dept Appl Chem, Tokyo 1698555, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 40期
关键词：
charge transfer; dye-sensitized solar cells; electrochemistry; phase transitions; radicals; ORGANIC-DYES; EFFICIENT; POLYMERS; OXIDATION; BATTERY; DESIGN;
D O I：
10.1002/anie.201205036
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Exchanged: The organic radical 2-azaadamantan-N-oxyl (AZA; see picture) is found to be a stable and highly reactive redox mediator in dye-sensitized solar cell (DSSC) electrolytes. This radical has an appropriate redox potential and significantly high values for the diffusivity, heterogeneous electron-transfer rate, and electron self-exchange reaction rate. In a DSSC the AZA-based electrolyte achieves an excellent photovoltaic performance. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：10177 / 10180
页数：4
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