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Published on: April 27, 2018
Surface structure-dependent molecular oxygen activation of BiOCl single-crystalline nanosheets
Kun Zhao1, Lizhi Zhang, Jiajun Wang
1Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental Chemistry, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China.
Abstract:
We demonstrate that BiOCl single-crystalline nanosheets possess surface structure-dependent molecular oxygen activation properties under UV light. The (001) surface of BiOCl prefers to reduce O2 to ·O2(-) through one-electron transfer, while the (010) surface favors the formation of O2(2-) via two-electron transfer, which is cogoverned by the surface atom exposure and the situ generated oxygen vacancy characteristics of the (001) and (010) surfaces under UV light irradiation.
