Utilization of natural carotenoids as photo sensitizers for dye-sensitized solar cells

被引：198
作者：
Yamazaki, Eiji [1 ]
Murayama, Masaki [1 ]
Nishikawa, Naomi [1 ]
Hashimoto, Noritsugu [1 ]
Shoyama, Masashi [1 ]
Kurita, Osamu [1 ]
机构：
[1] Mie Prefectural Sci & Technol Promot Ctr, Ind Res Div, Tsu, Mie 5140819, Japan
来源：
SOLAR ENERGY | 2007年 / 81卷 / 04期
关键词：
dye-sensitized solar cells; natural dyes; carotenoid;
D O I：
10.1016/j.solener.2006.08.003
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 dye-sensitized solar cells (DSCs) were assembled by using natural carotenoids, crocetin (8,8'-diapocarotenedioic acid) and crocin (crocetin-di-gentiobioside), as sensitizers and their photoelectrochemical properties were investigated taking a presence or absence of carboxylic group in the dye molecule into consideration. In these carotenoids, crocetin that has carboxylic groups in the molecule can attach effectively to the surface of TiO2 film so that it performed the best photosensitized effect resulting in the short-circuit photocurrent with 2.84 mA under irradiation of 1.0 cm(2). On the other hand, crocin that has no carboxylic group in the molecule showed lower photoelectrochemical performance because of its lower affinity to the surface of TiO2 film. These results indicate that it is possible to apply carotenoid as sensitizers for DSCs at the presence of effective function groups. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：512 / 516
页数：5
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