Reconstructing Dual-Induced {0 0 1} Facets Bismuth Oxychloride Nanosheets Heterostructures: An Effective Strategy to Promote Photocatalytic Oxygen Evolution - Details

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Abstract：

Sunlight-driven　photocatalytic　water　splitting　to　generate　oxygen　(O2)　is　a　promising　approach　for　utilizing　solar　energy.　Herein,　direct　Z-scheme　heterostructure　photocatalysts　composed　of　ultrathin　Bi3O4Cl　and　BiOCl　nanosheets　are　rationally　fabricated　via　alkaline　chemical　etching　and　solvent　exfoliation　for　O2　evolution　under　visible　light.　With　AgNO3　and　FeCl3　as　the　electron　scavenger,　the　optimized　ultrathin　Bi3O4Cl/BiOCl　exhibits　prominent　photocatalytic　activity　for　O2　production　under　visible-light　illumination　and　the　production　rate　(Fe3+:　58.6　µmol　g−1　h−1)　is　much　higher　than　the　nanocrystal　heterostructure　(Fe3+:　28.5　µmol　g−1　h−1).　This　ultrathin　heterostructure　system　can　efficiently　transfer　the　electrons,　which　leads　to　a　considerable　improvement　in　the　photocatalytic　performance.　Due　to　the　suitable　band　edge　potentials　and　the　intense　electronic　interaction　between　two-dimensional　(2D)　Bi3O4Cl　and　2D　BiOCl,　as　confirmed　by　theoretical　computations,　photoluminescence,　and　photoelectricity　tests,　the　ultrathin　heterojunction　with　an　internal　electric　field　has　a　highly　remarkable　charge　transfer.　The　intimate　interface　contact　and　{0　0　1}　facets　effect　promote　the　high　photocatalytic　performance　of　the　ultrathin　Bi3O4Cl/BiOCl　heterostructure.　©　2019　WILEY-VCH　Verlag　GmbH　&　Co.　KGaA,　Weinheim

Keyword：

Alkalinity Bismuth compounds Charge transfer Chlorine compounds Electric fields Etching Heterojunctions Iron compounds Light Nanosheets Nitrogen compounds Oxygen Photocatalysis Photocatalytic activity Silver compounds Solar energy

Community：

[ 1 ] [Ning, Shangbo]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Ning, Shangbo]School of Materials Science and Engineering, Tianjin University, Tianjin; 300072, China
[ 3 ] [Shi, Xiaoqi]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Zhang, Hongwen]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Lin, Huaxiang]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 6 ] [Zhang, Zizhong]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 7 ] [Long, Jinlin]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 8 ] [Li, Yi]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 9 ] [Wang, Xuxu]State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, College of Chemistry, Fuzhou University, Fuzhou; 350108, China

Reprint 's Address：

[lin, huaxiang]state key laboratory of photocatalysis on energy and environment, research institute of photocatalysis, college of chemistry, fuzhou university, fuzhou; 350108, china

Email：

lhx@fzu.edu.cn

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Source ：

Solar RRL

Year： 2019

Issue： 5

Volume： 3

7 . 5 2 7

JCR@2019

6 . 0 0 0

JCR@2023

ESI HC Threshold：236

JCR Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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