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国家自然科学基金(20371048)

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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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Zeolite NaY-mediated oxidation of dyes with H_2O_2: unique heterogeneous non-transition metal center cleavage of H_2O_2 under visible light irradiation
2007年
This study investigated the visible-light catalysis mediated by zeolite NaY on the oxidation of dyes with H2O2. The results demonstrated that zeolite NaY acts as a sink for the electron from the photo-excited dye in the heterogeneous catalysis. Furthermore, the electron can effectively activate H2O2 to produce ?OH radical that is a powerful oxidant for the oxidation of dye at room temperature. The effects of the framework topology, Si/Al ratio, and exchangeable cation of the zeolite on the oxidation of various dyes were also shown.
LIU LiLi1, MA WanHong1, SONG WenJing1, CHEN ChunCheng1, LIN Jun2, ZHAO JinCai1, QIAN XinHua3 & ZHANG ShiBo3 1 Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
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