期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 61, 期 -, 页码 78-86出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.12.003
关键词
Ag-ZnO core-shell; Chemical synthesis; MO degradation; Photocatalysis; Reusable
资金
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea [20174030201530]
Ag-ZnO core-shell nanostructure (CSNS) was prepared via a facile wet chemical approach. Formation was certified by various characterization techniques. The surface plasmon band of Ag-ZnO CSNS was red-shifted. Photoluminescence quenching for Ag-ZnO CSNS was attributed to improved charge separation. Ag-ZnO CSNS exhibited similar to 6 times higher photocatalytic activity than pristine ZnO and similar to 4 times higher than TiO2 (P25). Such enhanced photocatalytic activity was attributed to synergistic effect, more charge separation, and higher surface area. Ag-ZnO CSNS also showed excellent photostability and reusability. Photocatalytic mechanism was discussed based on major reactive oxidative species such as center dot OH and center dot O-2(-). (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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