Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 105, Issue -, Pages 135-139Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2019.04.045
Keywords
Inorganic-organic hybrid; Copper(I) iodine; Tetranuclear duster; Photocatalysis
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Funding
- Shandong Provincial Natural Science Foundation, China [ZR2017LB003]
- China Postdoctoral Science Foundation [2017M612173]
- Fund of State Key Laboratory of Structural Chemistry [20160016]
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Organic pollutions in wastewater are very harmful to environment and human health; their effective removal is important but still challenging. Copper iodine (CuI) is a promising semiconductor photocdatalyst, but still faces obvious drawbacks, e.g., only absorbing the UV light and serious electron-hole recombination. Herein, we report an effective hybrid copper(I) iodine-based photocatalyst [Cu4I4(EBT)(5)] (UJN-Cu, EBT = 3-ethyl-1,3-benzothiazole-2-thione), which represents the first tetranuclear copper(I) iodine cluster been used for visible-light driven photocatalytic application. Importantly, the photocatalytic rate constant of UJN-Cu toward degrading organic dye pollution is three times larger than that for nitrogen-doped TiO2, and can retain similar activity after at least four runs. The holes are the dominated active species of photocatalyst UJN-Cu in such photocatalytic system. This work not only provides one promising copper(I) iodine-based semiconductor photocatalyst, but also unveils the feasibilities of tetranuclear copper(I) iodine cluster for wastewater purification.
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