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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Comparison of photocatalytic reaction-induced selective corrosion with photocorrosion: Impact on morphology and stability of Ag-ZnO
作者: Ma, Xinlong; Li, Hao; Liu, Tongyao; Du, Shanshan; Qiang, Qinping; Wang, YH(王育华); Yin, Shu; Sato, Tsugio
收录类别: SCIE ; EI
出版日期: 2017-02-01
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
卷号: 201, 页码:348-358
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: In previous work, the photocatalytic stability during the recycled degradation is employed to evaluate the inhibitory effect of photocorrosion. Then, a significant question arises: is the photocatalytic stability only related to the photocorrosion for zinc oxide (ZnO)? The answer turns out to be no in our work. The phenomenon of photocatalytic reaction-induced selective corrosion of ZnO nanosheets was firstly revealed. It is found that the special corrosion not only needs ultraviolet (UV) light irradiation, but also results from the photocatalytic reaction. Then, the impacts of this special corrosion and photocorrosion on morphology and photocatalytic stability were compared. It is found that the photocatalytic reaction induced selective corrosion shows more mass loss, more selective etching and more decrease of unit mass photocatalytic activity than that of photocorrosion. The results indicate that the special corrosion-induced active face loss rather than the photocorrosion-induced mass loss can be fatal for the photocatalytic stability. Accordingly, a direct and visual confirmation of inhibitory effect of loaded Ag against selective corrosion is revealed. (C) 2016 Elsevier B.V. All rights reserved.
关键词: Ag-ZnO ; Photocorrosion ; Selective corrosion ; Photocatalytic stability
作者部门: (1) Key Laboratory for Special Function Materials and Structure Design of the Ministry of Education, Lanzhou University, Lanzhou ; 730000, China ; (2) Department of Materials Science, School of Physical Science and Technology, Lanzhou University, Lanzhou ; 730000, China ; (3) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai ; 980-8577, Japan
通讯作者: Wang, YH (reprint author), Lanzhou Univ, Minist Educ, Key Lab Special Funct Mat & Struct Design, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Engineering
文章类型: Article
所属项目编号: International Sci. & Tech. Cooperation Foundation of Gansu Provincial, China [1504WKCA088, 1304WCGA177] ; National Science Foundation for Fostering Talents in Basic Research of National Natural Science Foundation of China [041105, 041106] ; National Natural Science Funds of China [51372105] ; Network Joint Research Center for Materials and Devices [23241025]
所属项目名称: 国家自然科学基金项目 ; 国家基础科学人才培养基金项目 ; 甘肃省国际科技合作计划
项目资助者: NSFC ; GSSTD
语种: 英语
DOI: 10.1016/j.apcatb.2016.08.029
ISSN号: 0926-3373
WOS记录号: WOS:000385472500035
EI记录号: 20163502758168
IR记录号: 20163502758168
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181719
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Ma, Xinlong,Li, Hao,Liu, Tongyao,et al. Comparison of photocatalytic reaction-induced selective corrosion with photocorrosion: Impact on morphology and stability of Ag-ZnO[J]. Applied Catalysis B: Environmental,2017,201:348-358.
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