Photoinduced water oxidation using dendrimeric Ru(II) complexes as photosensitizers

被引：116

作者：

Puntoriero, Fausto ^{[3
,4
]}

Sartorel, Andrea ^{[1
,2
]}

Orlandi, Michele ^{[5
,6
]}

La Ganga, Giuseppina ^{[3
,4
]}

Serroni, Scolastica ^{[3
,4
]}

Bonchio, Marcella ^{[1
,2
]}

Scandola, Franco ^{[5
,6
]}

Campagna, Sebastiano ^{[3
,4
]}

机构：

[1] Univ Padua, ITM CNR, I-35131 Padua, Italy

[2] Univ Padua, Dept Chem Sci, I-35131 Padua, Italy

[3] Univ Messina, Dipartimento Chim Inorgan Chim Analit & Chim Fis, I-98166 Messina, Italy

[4] Ctr Interuniv Convers Chim Energia Solare, Sez Messina, I-98166 Messina, Italy

[5] Dipartimento Chim, I-49100 Ferrara, Italy

[6] Ctr Interuniv Convers Chim Energia Solare, Sez Ferrara, I-49100 Ferrara, Italy

来源：

COORDINATION CHEMISTRY REVIEWS | 2011年 / 255卷 / 21-22期

关键词：

Artificial photosynthesis; Photoinduced water splitting; Water oxidation; Electron transfer; Metal dendrimers; POLYNUCLEAR METAL-COMPLEXES; LIGHT-HARVESTING PROPERTIES; O BOND FORMATION; OXYGEN EVOLUTION; ENERGY-TRANSFER; ARTIFICIAL PHOTOSYNTHESIS; POLYPYRIDINE COMPLEXES; CATALYSIS; ELECTRON; EFFICIENT;

D O I：

10.1016/j.ccr.2011.01.026

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Following bio-inspired guidelines, solar-powered water oxidation can be exploited for hydrogen generation by direct photocatalytic water splitting. This reaction poses some formidable challenges at the interface of oxidation catalysis and photochemistry. Molecular innovation is expected to provide a decisive lead in the field of artificial photosynthesis. Key achievements include the discovery of novel transition metal catalysts, exhibiting oxygen-evolving activity upon multi-electron oxidation and the design of antenna-like sensitizers. The thermodynamic and photophysical requirements of the system are discussed herein. A successful combination is obtained with polynuclear dendrimeric Ru(II) polypyridine sensitizers, activating colloidal IrO2 nanoparticles or a tetra-ruthenate polyoxometalate catalyst. In this latter case, an unprecedented quantum yield up to 30% is achieved, which holds great promise for the up-grade to functional materials and practical technology. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2594 / 2601

页数：8

共 84 条

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