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Efficient interfacial charge transfer of 2D/2D porous carbon nitride/bismuth oxychloride step-scheme heterojunction for boosted solar-driven CO2 reduction

文献类型：期刊论文

作者Huo, Yao1,2; Zhang, Jinfeng1; Wang, Zhongliao1; Dai, Kai1; Pan, Chengsi3; Liang, Changhao4,5
刊名JOURNAL OF COLLOID AND INTERFACE SCIENCE
出版日期2021-03-01
卷号585
关键词Step-scheme heterojunction Bi12O17Cl2 g-C3N4 Build-in electric field Photocatalytic CO2 reduction
ISSN号0021-9797
DOI10.1016/j.jcis.2020.10.048
通讯作者Dai, Kai(daikai940@chnu.edu.cn) ; Pan, Chengsi(cspan@jiangnan.edu.cn) ; Liang, Changhao(chliang@issp.ac.cn)
英文摘要Heterostructured photocatalysts are promising candidates in the photocatalysis field, and the heterojunction plays a vital role in the separation of spatial charge carriers. Here, a heterojunction was fabricated by the in situ growth of ultrathin Bi12O17Cl2 (BOC) nanosheets (NSs) onto porous g-C3N4 (PGCN) NSs. The NSs' nanostructure can effectively shorten the diffusion path of charge carriers and thus promote interfacial charge migration, which can improve the surface photocatalytic activity. The X-ray photoelectron spectroscopy spectra and the experimental measured Fermi level (E-F) indicate that electrons transfer from PGCN to BOC, which leads to the formation of the built-in electric field with the orientation from PGCN to BOC. Driven by the built-in electric field, the charge carriers transfer through a step-like pathway. This step-scheme porous g-C3N4/Bi12O17Cl2 (PGCN/BOC) heterostructured nanocomposite displays an enhanced photocatalytic performance compared with pure BOC and PGCN. This work provides new insight into the novel construction of a step-scheme heterojunction toward photocatalytic CO2 reduction. (C) 2020 Elsevier Inc. All rights reserved.
WOS关键词PHOTOCATALYTIC DEGRADATION ; HYDROGEN EVOLUTION ; NITRIDE ; G-C3N4 ; CONVERSION ; COMPOSITE ; CONSTRUCTION ; PERFORMANCE ; WATER ; PHOTOREDUCTION
资助项目National Natural Science Foundation of China[51572103] ; National Natural Science Foundation of China[51973078] ; Distinguished Young Scholar of Anhui Province[1808085J14] ; Major projects of Education Department of Anhui Province[KJ2020ZD005] ; Key Foundation of Educational Commission of Anhui Province[KJ2019A0595]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000604447800013
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
资助机构National Natural Science Foundation of China ; Distinguished Young Scholar of Anhui Province ; Major projects of Education Department of Anhui Province ; Key Foundation of Educational Commission of Anhui Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/119947]  
专题中国科学院合肥物质科学研究院
通讯作者Dai, Kai; Pan, Chengsi; Liang, Changhao
作者单位1.Huaibei Normal Univ, Key Lab Green & Precise Synthet Chem & Applicat, Anhui Prov Key Lab Pollutant Sensit Mat & Environ, Minist Educ,Sch Phys & Elect Informat, Huaibei 235000, Anhui, Peoples R China
2.Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
3.Jiangnan Univ, Sch Chem & Mat Engn, Wuxi 214122, Peoples R China
4.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
5.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, PR, Peoples R China
推荐引用方式
GB/T 7714		 Huo, Yao,Zhang, Jinfeng,Wang, Zhongliao,et al. Efficient interfacial charge transfer of 2D/2D porous carbon nitride/bismuth oxychloride step-scheme heterojunction for boosted solar-driven CO2 reduction[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2021,585.
APA Huo, Yao,Zhang, Jinfeng,Wang, Zhongliao,Dai, Kai,Pan, Chengsi,&Liang, Changhao.(2021).Efficient interfacial charge transfer of 2D/2D porous carbon nitride/bismuth oxychloride step-scheme heterojunction for boosted solar-driven CO2 reduction.JOURNAL OF COLLOID AND INTERFACE SCIENCE,585.
MLA Huo, Yao,et al."Efficient interfacial charge transfer of 2D/2D porous carbon nitride/bismuth oxychloride step-scheme heterojunction for boosted solar-driven CO2 reduction".JOURNAL OF COLLOID AND INTERFACE SCIENCE 585(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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