Efficient panchromatic sensitization of nanocrystalline TiO2 films by β-diketonato ruthenium polypyridyl complexes

被引：71

作者：

Islam, A

Sugihara, H

Yanagida, M

Hara, K

Fujihashi, G

Tachibana, Y

Katoh, R

Murata, S

Arakawa, H

机构：

[1] Natl Inst Adv Ind Sci & Technol, Photoreact Control Res Ctr, Tsukuba, Ibaraki 3058565, Japan

[2] Sumitomo Osaka Cement Co Ltd, Funabashi, Chiba 2748601, Japan

来源：

NEW JOURNAL OF CHEMISTRY | 2002年 / 26卷 / 08期

关键词：

D O I：

10.1039/b202392j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The beta-diketonato Ru(II)-polypyridyl complexes, Ru(4,4',4"-tricarboxy-2,2':6',2"-terpyridine) (1,1,1-trifluoropentane-2,4-dionato) (NCS) and Ru(4,4',4"-tricarboxy-2,2':6',2"-terpyridine) (1,1,1-trifluoroeicosane-2,4-dionato) (NCS), when anchored to nanocrystalline TiO2 films, achieve very efficient panchromatic sensitization over the whole visible range extending into the near IR region, yielding 70% incident photon to current conversion efficiencies (IPCE). The presence of long hydrocarbon substituents on the beta-diketonato ligand helps to prevent surface aggregation of the sensitizer.

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页码：966 / 968

页数：3

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