Integrating CuInSe2nanocrystals with polymeric carbon nitride nanorods for photocatalytic water splitting - Details

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Abstract：

Developing　photocatalysts　with　improved　photoactivity　and　efficiency　has　remained　an　enduring　theme　both　fundamentally　and　technologically　in　the　field　of　photocatalysis.　Polymeric　carbon　nitride　(CN)　has　been　widely　exploited　as　an　earth-abundant　photocatalyst　for　water　redox　reactions.　Nevertheless,　the　limited　visible-light　utilization　rate　and　the　high　recombination　rate　of　photoinduced　charge　carriers　give　rise　to　the　moderate　photocatalytic　reactivity　of　CN　in　water　splitting.　Herein,　p-type　CuInSe2nanocrystals　are　prepared　by　a　solvothermal　approach　and　then　immobilized　with　n-type　CN　nanorods　through　self-assembly　and　thermal　treatment　process,　forming　a　CuInSe2/CN　hybrid　photocatalyst.　Benefiting　from　the　p-n　heterojunction,　a　3%　CuInSe2/CN　nanocomposite　photocatalyst　exhibits　a　three-fold　increase　in　the　hydrogen　evolution　rate　(HER)　compared　to　that　of　bare　CN　nanorods　owing　to　the　strengthened　visible-light　capturing　capability　and　improved　separation　rate　of　photoexcited　charge　carriers.　This　work　paves　new　avenues　for　the　construction　of　p-n　heterojunction　photocatalysts　for　solar　fuel　production.　©　The　Royal　Society　of　Chemistry　2020.

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[ 1 ] [Zheng, Y.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 2 ] [Zheng, Y.]Institute of Luminescent Materials and Information Display, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
[ 3 ] [Zheng, Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
[ 4 ] [Chen, Y.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 5 ] [Wang, L.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 6 ] [Tan, M.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 7 ] [Xiao, Y.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 8 ] [Gao, B.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China
[ 9 ] [Lin, B.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China

Reprint 's Address：

[Zheng, Y.]Fujian Key Laboratory of Photoelectric Functional Materials, College of Materials Science and Engineering, Huaqiao UniversityChina

Email：

zheng-yun@hqu.edu.cn

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Source ：

Dalton Transactions

ISSN： 1477-9226

Year： 2020

Issue： 22

Volume： 49

Page： 7598-7604

4 . 3 9

JCR@2020

3 . 5 0 0

JCR@2023

ESI HC Threshold：160

JCR Journal Grade：1

CAS Journal Grade：2

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SCOPUS Cited Count： 7

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 2

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