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国家自然科学基金(50436040&20520120221)

作品数:1 被引量:1H指数:1
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
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Efficient degradation of dye pollutants using dioxygen mediated by iron(Ⅱ) 2,2′-bipyridine loaded layered clay catalyst under visible irradiation被引量:1
2006年
The organic-inorganic layered solid catalyst Fe(bpy)_3^(2+)-laponite was ableto photode-grade Rhodamine B (RhB) by activation of dioxygen under visible irradiation (λ > 420nm), while the homogeneous aqueous solution Fe(bpy)_3^(2+) showed no photoactivity. The catalystcould be repeatedly used and retained its reactivity. The hybrid catalyst could be separated fromthe suspension by centrifugation or sedimentation. The TOC removal yield of RhB was measured.Reactive oxygen species (ROS) formed during degradation was detected by EPR. A possible mechanismwas proposed on the basis of the experimental results.
CHENG Mingming1,SUN Zhenying1,2,MA Wanhong1,CHEN Chuncheng1,ZHAO Jincai1 & WANG Zhengping2 1. Laboratory of Photochemistry,Center for Molecular Science,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080,China
关键词:RHODAMINEVISIBLE
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