In Situ Synthesis of All-Solid-State Z-Scheme BiOBr0.3I0.7/Ag/AgI Photocatalysts with Enhanced Photocatalytic Activity Under Visible Light Irradiation
Lu, Junlin1; Shang, Chaoqun1; Meng QG(孟庆国)2; Lv HQ(吕海钦)2; Chen ZH(陈志鸿)2,3; Liao, Hua4; Li, Ming4; Zhang YG(张永光)3; Jin, Mingliang1,3; Yuan MZ(苑明哲)2; Wang, Xin1,3; Zhou, Guofu1,3
作者部门广州中国科学院沈阳自动化研究所分所
关键词Z-scheme Photocatalytic BiOBr0.3I0.7/Ag/AgI
发表期刊NANOSCALE RESEARCH LETTERS
ISSN1556-276X
2018
卷号13页码:1-8
收录类别SCI ; EI
EI收录号20184706130729
WOS记录号WOS:000450843600002
产权排序2
资助机构National Natural Science Foundation of China Program [51602111] ; Cultivation Project of the National Engineering Technology Center [2017B090903008] ; Xijiang RD Team ; Science and Technology Application in Guangdong [2017B020240002] ; Guangdong Provincial Grant [2015A030310196, 2017A050506009]
摘要A series of novel visible light driven all-solid-state Z-scheme BiOBr0.3I0.7/Ag/AgI photocatalysts were synthesized by facile in situ precipitation and photo-reduction methods. Under visible light irradiation, the BiOBr0.3I0.7/Ag/AgI samples exhibited enhanced photocatalytic activity compared to BiOBr0.3I0.7 and AgI in the degradation of methyl orange (MO). The optimal ratio of added elemental Ag was 15%, which degraded 89% of MO within 20 min. The enhanced photocatalytic activity of BiOBr0.3I0.7/Ag/AgI can be ascribed to the efficient separation of photo-generated electron-hole pairs through a Z-scheme charge-carrier migration pathway, in which Ag nanoparticles act as electron mediators. The mechanism study indicated that center dot O-2(-) and h(+) are active radicals for photocatalytic degradation and that a small amount of center dot OH also participates in the photocatalytic degradation process.
语种英语
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文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/23577
专题广州中国科学院沈阳自动化研究所分所
通讯作者Chen ZH(陈志鸿); Wang, Xin
作者单位1.South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, Guangdong, Province, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Guangzhou 511458, China
3.International Academy of Optoelectronics, South China Normal University, Zhaoqing, Guangdong Province, China
4.Institute of Solar Energy, Yunnan Normal University, Kunming 650500, People’s Republic of China.
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Lu, Junlin,Shang, Chaoqun,Meng QG,et al. In Situ Synthesis of All-Solid-State Z-Scheme BiOBr0.3I0.7/Ag/AgI Photocatalysts with Enhanced Photocatalytic Activity Under Visible Light Irradiation[J]. NANOSCALE RESEARCH LETTERS,2018,13:1-8.
APA Lu, Junlin.,Shang, Chaoqun.,Meng QG.,Lv HQ.,Chen ZH.,...&Zhou, Guofu.(2018).In Situ Synthesis of All-Solid-State Z-Scheme BiOBr0.3I0.7/Ag/AgI Photocatalysts with Enhanced Photocatalytic Activity Under Visible Light Irradiation.NANOSCALE RESEARCH LETTERS,13,1-8.
MLA Lu, Junlin,et al."In Situ Synthesis of All-Solid-State Z-Scheme BiOBr0.3I0.7/Ag/AgI Photocatalysts with Enhanced Photocatalytic Activity Under Visible Light Irradiation".NANOSCALE RESEARCH LETTERS 13(2018):1-8.
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