Polyoxometalate-based materials for efficient solar and visible light harvesting: application to the photocatalytic degradation of azo dyes

被引:203
作者
Dolbecq, Anne [2 ]
Mialane, Pierre [2 ]
Keita, Bineta [1 ]
Nadjo, Louis [1 ]
机构
[1] Univ Paris 11, CNRS, UMR 8000, Grp Electrochim & Photoelectrochim,Lab Chim Phys, F-91405 Orsay, France
[2] Univ Versailles St Quentin Yvelines, UMR 8180, Inst Lavoisier Versailles, F-78035 Versailles, France
关键词
WET AIR OXIDATION; REDUCTIVE DESTRUCTION; HYBRID MATERIALS; COMPOSITE FILM; KEGGIN-TYPE; TIO2; PHOTODEGRADATION; PHOTOREDUCTION; WASTEWATERS; PREYSSLER;
D O I
10.1039/c2jm33246a
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
This report reviews the state of the art concerning the photocatalytic degradation of azo dyes using polyoxometalate-based materials. Recent developments toward polyoxometalates (POMs) and their assemblies that match multiple criteria are described. These criteria include their switchability by visible light, the possibility of multi-electronic photo-reduction of the POMs, followed by reversible electron exchange with a substrate, the possibility of heterogenization without loss of properties and finally a low cost. This strategy is recent and is shown to open up new avenues close to green chemistry achievements for studying the degradation of organic pollutants, including azo dyes.
引用
收藏
页码:24509 / 24521
页数:13
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