Iron(III)-Based Metal-Organic Frameworks As Visible Light Photocatalysts
Iron(III)-Based Metal-Organic Frameworks As Visible Light Photocatalysts
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DOI：
10.1021/ja405086e
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发表时间：
2013-10-02
影响因子：
15
通讯作者：
Roeffaers, Maarten B. J.
中科院分区：
文献类型：
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作者：
Laurier, Katrien G. M.;Vermoortele, Frederik;Roeffaers, Maarten B. J.
本文描述了一组新的可见光光催化剂。氧化铁（III）由于其带隙小，可以激发可见光，因此可能成为有前途的可见光光催化剂。然而，高电子空穴复合率限制了高氧化物质的产率。这可以通过减小颗粒尺寸来克服。在这项研究中，含有Fe-3-mu(3)-oxo簇的金属有机框架（MOF）被提议作为可见光光催化剂。它们的光催化性能通过罗丹明 6G 在水溶液中的降解进行了测试和证明。首次显示了这种 Fe(III) 基 MOF 在可见光照射（350 至 850 nm）下的显着光催化效率。
Herein, a new group of visible light photocatalysts is described. Iron(III) oxides could be promising visible light photocatalysts because of their small band gap enabling visible light excitation. However, the high electron-hole recombination rate limits the yield of highly oxidizing species. This can be overcome by reducing the particle dimensions. In this study, metal-organic frameworks (MOFs), containing Fe-3-mu(3)-oxo clusters, are proposed as visible light photocatalysts. Their photocatalytic performance is tested and proven via the degradation of Rhodamine 6G in aqueous solution. For the first time, the remarkable photocatalytic efficiency of such Fe(III)-based MOFs under visible light illumination (350 up to 850 nm) is shown.