Efficient and stable plastic dye-sensitized solar cells based on a high light-harvesting ruthenium sensitizer

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题名:	Efficient and stable plastic dye-sensitized solar cells based on a high light-harvesting ruthenium sensitizer
作者:	Lee,KM;Wu,SJ;Chen,CY;Wu,CG;Ikegami,M;Miyoshi,K;Miyasaka,T;Ho,KC
贡献者:	中央大學
关键词:	LOW-TEMPERATURE FABRICATION;GHZ MICROWAVE IRRADIATION;TIO2 ELECTRODES;PHOTOVOLTAIC PERFORMANCE;INTERFACE;COMPLEXES;ENHANCE;TITANIA;FILM
日期:	2009
上传时间:	2010-06-29 19:45:34 (UTC+8)
出版者:	化學研究所
摘要:	A high light-harvesting ability heteroleptic ruthenium complex dye, SJW-E1, was examined as a sensitizer for the plastic dye-sensitized solar cells (DSSCs) constructed by a low-temperature electrode preparation method using binder-free TiO2 paste and an ITO-PEN substrate. The effects of a TiOx buffer layer, electrolyte composition and co-adsorbents on the cell performance as well as the cell long-term stability were investigated. The TiOx buffer layer has not only enhanced the adhesion between TiO2 thin film and the ITO/PEN substrate but also reduced the electron recombination, resulting in the improvement of the fill factor (FF) and therefore the photovoltaic performance of the solar cells. The optimized solar cell based on SJW-E1 dye showed an efficiency of 6.31%. Furthermore, the plastic DSSCs based on the SJW-E1 dye shows a better cell stability compared to that based on N719 dye after a full sunlight soaking (at ca. 50 degrees C) for 500 h. These results demonstrated that the flexible DSSCs based on the high light-harvesting, well-functionalized heteroleptic ruthenium dye could achieve both high performance and good stability.
關聯:	JOURNAL OF MATERIALS CHEMISTRY
显示于类别:	[化學研究所] 期刊論文

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