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题名:
Fabrication, characterization, and visible-light photocatalytic performance of ternary plasmonic composites
其他题名: Fabrication, characterization, and visible-light photocatalytic performance of ternary plasmonic composites
作者: Chang, Fei1; Sun, Junrong1; Wang, Jie1; Wang, Xiaofang1; Deng, Baoqing1; Hu, XueFeng(胡学锋)2
刊名: COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN号: 0927-7757
出版日期: 2016-12-20
卷号: 511, 页码:329-338
关键词: Ag-W-Ti-SBA15 ; Visible-light driven ; Plasmonic ; Photocatalytic ; Mechanism
学科分类: Chemistry, Physical
DOI: 10.1016/j.colsurfa.2016.10.024
产权排序: [Chang, Fei; Sun, Junrong; Wang, Jie; Wang, Xiaofang; Deng, Baoqing] Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China; [Hu, Xuefeng] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
通讯作者: Chang, F (reprint author), Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China. ; Hu, XF (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China. Email:feichang@usst.edu.cn ; xfhu@yic.ac.cn
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: A group of mesoporous WO3-TiO2-contained SBA15 composites (W-Ti-SBA15) and their Ag-contained plasmonic analogs were fabricated and then systematically characterized by a collection of analytical techniques. Original mesoporous structures with highly ordered channels were well-maintained and WO3-TiO2 could form spherical clusters that were gradually reduced in size accompanying with the decrease of TiO2/SiO2 mass ratios. Deposited Ag species were confirmed as zero-valence Ag by X-ray photoelectron spectroscopy analysis and exerted almost no effect on the morphology, microstructure, and textural but optical property, by which the visible-light harvesting ability of composites was remarkably strengthened owing to the localized surface plasmonic resonance (LSPR) induced by the metallic Ag. Under visible-light irradiation, W-Ti-SBA15 composites showed satisfactory photocatalytic performance that could be further enhanced by using their Ag-contained ternary plasmonic analogs. The enhancement of photocatalytic efficiency was mainly attributed to the favorable mesoporous morphology, the suitable band alignment, and the LSPR effect. Eventually, a possible photocatalysis mechanism was primarily proposed on the base of reactive radical species trapping experiments. (C) 2016 Elsevier B.V. All rights reserved.
研究领域[WOS]: Chemistry
项目资助者: National Natural Science Foundation of China(21207089) ; SRF for ROCS, SEM ; Hujiang Foundation of China(B14003) ; Innovation Program of Shanghai Municipal Education Commission(14ZZ136) ; Natural Science Foundation of Shanghai(13ZR1427600)
关键词[WOS]: ENHANCED PHOTOCATALYSIS ; SILVER NANOPARTICLES ; MESOPOROUS SBA-15 ; DEGRADATION ; TITANIA ; SILICA ; IRRADIATION ; AG ; HETEROSTRUCTURES ; NANOSTRUCTURES
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000388547000036
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/17482
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China

Recommended Citation:
Chang, Fei,Sun, Junrong,Wang, Jie,et al. Fabrication, characterization, and visible-light photocatalytic performance of ternary plasmonic composites[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2016,511:329-338.
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