Unsymmetrical Squaraines Incorporating Quinoline for Near Infrared Responsive Dye-Sensitized Solar Cells

被引：55

作者：

Li, Jheng-Ying ^{[1
]}

Chen, Chia-Yuan ^{[1
]}

Ho, Wen-Chein ^{[2
]}

Chen, Szu-Han ^{[2
]}

Wu, Chun-Guey ^{[1
,2
]}

机构：

[1] Natl Cent Univ, Res Ctr New Generat Photo Volta RCNPV, Jhongli 32001, Taiwan

[2] Natl Cent Univ, Dept Chem, Jhongli 32001, Taiwan

来源：

ORGANIC LETTERS | 2012年 / 14卷 / 21期

关键词：

NANOCRYSTALLINE TIO2 FILMS; EFFICIENCY; ABSORPTIVITY; ELECTROLYTE; CONVERSION;

D O I：

10.1021/ol302481k

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two new unsymmetrical squaraines (WCH-SQ10 and WCH-SQ11), wherein the electron-rich 3,4-ethylenedioxy-thiophene conjugated fragment was linked unconventionally to the squaraine core and triphenyl amine donor, and carboxylic acid substituted quinoline was used as an acceptor, were prepared. WCH-SQ10 and WCH-SQ11 dyes in ethanol have the lambda(max) of 686 and 673 nm, respectively. The corresponding photovoltaic devices exhibit an attractively panchromatic response over 1000 nm, suggesting that quinoline benefits the low energetic electron injection.

引用

页码：5420 / 5423

页数：4

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