Carbene-based ruthenium photosensitizers

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题名:	Carbene-based ruthenium photosensitizers
作者:	Chen,HS;Chang,WC;Su,CC;Li,TY;Hsu,NM;Tingare,YS;Li,CY;Shie,JH;Li,WR
贡献者:	化學學系
关键词:	SENSITIZED SOLAR-CELLS;N-HETEROCYCLIC CARBENES;RU(II) COMPLEXES;OLEFIN METATHESIS;EFFICIENCY;CONVERSION;CATALYSTS;LIGANDS;CHEMISTRY;EMITTERS
日期:	2011
上传时间:	2012-03-27 18:11:17 (UTC+8)
出版者:	國立中央大學
摘要:	A new series of N-heterocyclic carbene (NHC)-pyridine ruthenium complexes incorporating a carbene unit as an ancillary ligand were designed and successfully synthesized by using simple synthetic methods. The photophysical, electrochemical and photovoltaic properties of these NHC-pyridine based ruthenium complexes were investigated. These complexes showed photoelectric conversion efficiencies in the range of 6.43 similar to 7.24% under the illumination of AM 1.5 (100 mW cm(-2)). Interestingly, the modifications on the ancillary ligand of these sensitizers by removal of an alkoxyl group and replacement of the octyl chain with a 3,5-difluorobenzyl group showed a 13% increase in the conversion efficiency for the CifPR dye. These results demonstrated that structural modifications on the NHC-pyridine ancillary ligand of ruthenium complexes results in dye-sensitized solar cells exhibiting a comparable cell performance to that obtained using the standard N719 dye.
關聯:	DALTON TRANSACTIONS
显示于类别:	[化學學系] 期刊論文

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