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Photocatalytic degradation of methyl orange by Ag/TiO2/biochar composite catalysts in aqueous solutions
Shan, Rui1,2,3,4; Lu, Lili1,2,3; Gu, Jing1,2,3,4; Zhang, Yuyuan5; Yuan, Haoran1,2,3,4; Chen, Yong1,2,3,4; Luo, Bo6
2020-08-01
发表期刊MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
ISSN1369-8001
卷号114页码:12
通讯作者Yuan, Haoran(yuanhr@ms.giec.ac.cn)
摘要One set of biochar-coupled Ag and TiO2 composites were successfully fabricated by mixing, calcination, and photodeposition method to remove methyl orange (MO). It was found that all catalysts modified with Ag showed better photocatalytic degradation performance (the highest decolorization efficiency and mineralization efficiency were 97.48% and 85.38%, respectively) than single TiO2 because of the synergy of Ag, TiO2 and biochar. Characterization results indicated that Ag as well as TiO2 acted as electron donor and biochar acted as electron acceptor, which could effectively promote the separation of photogenerated electron hole pairs. In addition, the catalyst exhibited high stability up to 5 cycles and the loss of activity was negligible. And the catalytic degradation process was consistent with the pseudo-first-order kinetic (PFOK) model with the degradation rate constant of 6.29 x 10(2) min(-1).
关键词Ag Surface plasmon resonance Photocatalytic degradation Methyl orange TiO2
DOI10.1016/j.mssp.2020.105088
关键词[WOS]VISIBLE-LIGHT ; ASSISTED SYNTHESIS ; TIO2 ; AG/TIO2 ; AG ; AG-TIO2 ; NANOCOMPOSITE ; NANOPARTICLES ; EFFICIENCY ; REDUCTION
收录类别SCI
语种英语
资助项目National Key R&D Program of China[2018YFC1901200] ; National Natural Science Funds of China[51776211] ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), China[GML2019ZD0101]
WOS研究方向Engineering ; Materials Science ; Physics
项目资助者National Key R&D Program of China ; National Natural Science Funds of China ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), China
WOS类目Engineering, Electrical & Electronic ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000535462600021
出版者ELSEVIER SCI LTD
引用统计
被引频次:89[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/27119
专题中国科学院广州能源研究所
通讯作者Yuan, Haoran
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou 511458, Peoples R China
3.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
5.Foshan Univ, Coll Mat Sci & Energy Engn, Foshan 528000, Guangdong, Peoples R China
6.Chongqing Environm & Sanitat Grp Co Ltd, Chongqing 401121, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Shan, Rui,Lu, Lili,Gu, Jing,et al. Photocatalytic degradation of methyl orange by Ag/TiO2/biochar composite catalysts in aqueous solutions[J]. MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING,2020,114:12.
APA Shan, Rui.,Lu, Lili.,Gu, Jing.,Zhang, Yuyuan.,Yuan, Haoran.,...&Luo, Bo.(2020).Photocatalytic degradation of methyl orange by Ag/TiO2/biochar composite catalysts in aqueous solutions.MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING,114,12.
MLA Shan, Rui,et al."Photocatalytic degradation of methyl orange by Ag/TiO2/biochar composite catalysts in aqueous solutions".MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 114(2020):12.
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