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
Chang, Fei1; Sun, Junrong1; Wang, Jie1; Wang, Xiaofang1; Deng, Baoqing1; Hu, Xuefeng2; 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
2016-12-20
发表期刊COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
卷号511页码:329-338
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
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.
关键词Ag-w-ti-sba15 Visible-light Driven Plasmonic Photocatalytic Mechanism
作者部门中科院海岸带环境过程与生态修复重点实验室
学科领域Chemistry, Physical
DOI10.1016/j.colsurfa.2016.10.024
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)
收录类别SCI
关键词[WOS]ENHANCED PHOTOCATALYSIS ; SILVER NANOPARTICLES ; MESOPOROUS SBA-15 ; DEGRADATION ; TITANIA ; SILICA ; IRRADIATION ; AG ; HETEROSTRUCTURES ; NANOSTRUCTURES
文章类型Article
语种英语
WOS研究方向Chemistry
WOS记录号WOS:000388547000036
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17482
专题中科院海岸带环境过程与生态修复重点实验室
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
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GB/T 7714
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.
APA Chang, Fei.,Sun, Junrong.,Wang, Jie.,Wang, Xiaofang.,Deng, Baoqing.,...&xfhu@yic.ac.cn.(2016).Fabrication, characterization, and visible-light photocatalytic performance of ternary plasmonic composites.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,511,329-338.
MLA Chang, Fei,et al."Fabrication, characterization, and visible-light photocatalytic performance of ternary plasmonic composites".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 511(2016):329-338.
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