An efficient light-harvesting ruthenium dye for solar cell application

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题名:	An efficient light-harvesting ruthenium dye for solar cell application
作者:	Wu,SJ;Chen,CY;Chen,JG;Li,JY;Tung,YL;Ho,KC;Wu,CG
贡献者:	化學學系
日期:	2010
上传时间:	2012-03-27 18:07:40 (UTC+8)
出版者:	國立中央大學
摘要:	A novel, heteroleptic ruthenium dye comprising a vinyl group between the carboxylate and bipyridine segments as well as extended pi-conjugation of the ancillary ligand, employing alkyl-bithiophene, was synthesized. The dye displayed a remarkably high absorption coefficient of 2.51 x 10(4) M(-1) cm(-1) (at 562 nm) for its metal-to-ligand charge transfer band. The photo-to-current conversion efficiency of the corresponding dye-sensitized solar cell was 9.12% under AM 1.5 (100 mW/cm(2)) irradiation. Furthermore, owing to both the very strong metal-to-ligand charge transfer band and the large number of dye molecules adsorbed on the TiO(2) electrode, the conversion efficiency of the dye-sensitized cell was >7.5% at a light intensity <= 198 mW cm(-2). (C) 2009 Elsevier Ltd. All rights reserved.
關聯:	DYES AND PIGMENTS
显示于类别:	[化學學系] 期刊論文

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