Photocatalytic activity tuning in a novel Ag2S/CQDs/CuBi2O4 composite: Synthesis and photocatalytic mechanism
Gao, Huajing1; Wang, Fei1; Wang, Shifa3; Wang, Xiangxian1; Yi, Zao2; Yang, Hua1
2019-07
发表期刊MATERIALS RESEARCH BULLETIN
ISSN0025-5408
卷号115页码:140-149
摘要CuBi2O4 dumbbell-like architecture built from nanorods was synthesized by a simple coprecipitation route. The growth process of the dumbbell-like architecture was investigated by varying the reaction duration time. Carbon quantum dots (CQDs) and Ag2S nanoparticles were assembled on the surface of the CuBi2O4 dumbbell-like architecture to produce CQDs/CuBi2O4 and Ag2S/CQDs/CuBi2O4 composites. Compared to bare CuBi2O4, the composites, particularly Ag2S/CQDs/CuBi2O4, manifest an increased visible light absorption, increased photocurrent density and decreased charge-transfer resistance. Using simulated sunlight as the light source and rhodamine B (RhB) dye as the target organic pollutant, the photocatalytic activity of the samples was investigated. It is demonstrated that the Ag2S/CQDs/CuBi2O4 composite exhibits the highest photocatalytic activity toward the RhB degradation. This is due to the highly efficient separation of electron/hole pairs and increased visible light absorption of the Ag2S/CQDs/CuBi2O4 composite.
关键词CuBi2O4 dumbbell-like architecture CQDs Ag2S nanoparticles Ag2S/CQDs/CuBi2O4 composite Photocatalytic activity
DOI10.1016/j.materresbull.2019.03.021
收录类别SCI ; SCIE
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000468013700017
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20191406723461
EI主题词Silver compounds
EI分类号402 Buildings and Towers - 714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 761 Nanotechnology - 802.2 Chemical Reactions - 804.1 Organic Compounds - 933 Solid State Physics
引用统计
被引频次:113[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/31773
专题省部共建有色金属先进加工与再利用国家重点实验室
理学院
设计艺术学院
通讯作者Wang, Shifa; Yang, Hua
作者单位1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China;
2.Southwest Univ Sci & Technol, Joint Lab Extreme Condit Matter Properties, Mianyang 621010, Peoples R China;
3.Chongqing Three Gorges Univ, Sch Elect & Informat Engn, Chongqing 404000, Wanzhou, Peoples R China
第一作者单位省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式
GB/T 7714
Gao, Huajing,Wang, Fei,Wang, Shifa,et al. Photocatalytic activity tuning in a novel Ag2S/CQDs/CuBi2O4 composite: Synthesis and photocatalytic mechanism[J]. MATERIALS RESEARCH BULLETIN,2019,115:140-149.
APA Gao, Huajing,Wang, Fei,Wang, Shifa,Wang, Xiangxian,Yi, Zao,&Yang, Hua.(2019).Photocatalytic activity tuning in a novel Ag2S/CQDs/CuBi2O4 composite: Synthesis and photocatalytic mechanism.MATERIALS RESEARCH BULLETIN,115,140-149.
MLA Gao, Huajing,et al."Photocatalytic activity tuning in a novel Ag2S/CQDs/CuBi2O4 composite: Synthesis and photocatalytic mechanism".MATERIALS RESEARCH BULLETIN 115(2019):140-149.
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