New Ruthenium Sensitizer with Carbazole Antennas for Efficient and Stable Thin-Film Dye-Sensitized Solar Cells

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题名:	New Ruthenium Sensitizer with Carbazole Antennas for Efficient and Stable Thin-Film Dye-Sensitized Solar Cells
作者:	Chen,CY;Pootrakulchote,N;Wu,SJ;Wang,MK;Li,JY;Tsai,JH;Wu,CG;Zakeeruddin,SM;Gratzel,M
贡献者:	中央大學
关键词:	TIO2 FILMS;PERFORMANCE;RECOMBINATION;ABSORPTIVITY;CONVERSION;TRANSPORT;ENHANCE;COMPLEXES
日期:	2009
上传时间:	2010-06-29 19:46:00 (UTC+8)
出版者:	化學研究所
摘要:	A new heteroleptic ruthenium complex, coded CYC-B13, incorporating an antenna ligand composed of the sequential connection of a Conjugated segment and carbazole hole-transport moiety was prepared. This new sensitizer exhibits the lower energy MLCT band centered at 547 rim with a high molar absorption coefficient of 1.93 x 10(4) M-1 cm(-1). Thin-film cells based on this new sensitizer show good conversion efficiency (>8%) and excellent durability under light soaking at 60 degrees C in simulated sunlight for 1000 h. An all-solid state device based on CYC-B13 is also demonstrated to have a conversion efficiency of 3.8%. The photovoltaic data of DSCs sensitized with CYC-B13 suggested that carbazole is a photostable hole-transporting moiety to be used in dye-sensitized solar cells.
關聯:	JOURNAL OF PHYSICAL CHEMISTRY C
显示于类别:	[化學研究所] 期刊論文

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