Direct Z-scheme ZnIn2S4/LaNiO3 nanohybrid with enhanced photocatalytic performance for H2 evolution - Details

author：

Wang, Z. (Wang, Z..) ^[1] | Su, B. (Su, B..) ^[2] | Xu, J. (Xu, J..) ^[3] | Hou, Y. (Hou, Y..) ^[4] | Ding, Z. (Ding, Z..) ^[5]

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Abstract：

The　direct　Z-scheme　ZnIn2S4/LaNiO3　nanohybrid　based　on　ZnIn2S4　nanosheets　and　LaNiO3　cubes　was　synthesized　by　a　facile　hydrothermal　method.　The　ZnIn2S4/LaNiO3　nanohybrid　showed　improved　photocatalytic　H2　evolution　and　stability.　The　photocatalytic　H2　evolution　activity　of　ZnIn2S4/LaNiO3　nanohybrid　is　3-fold　enhanced　than　that　of　bare　ZnIn2S4.　The　enhanced　performance　of　ZnIn2S4/LaNiO3　nanohybrid　is　mainly　ascribed　to　the　formation　of　heterojunction　between　LaNiO3　and　ZnIn2S4.　The　heterojunction　can　facilitate　charge　transport　on　the　interface　between　LaNiO3　and　ZnIn2S4　and　suppress　the　recombination　of　photo-generated　charge　carriers　over　ZnIn2S4/LaNiO3　nanohybrid,　which　were　well　demonstrated　by　photoelectrochemical　tests.　Moreover,　the　direct　Z-scheme　photocatalytic　reaction　mechanism　was　proposed　to　elucidate　the　improved　performance　of　ZnIn2S4/LaNiO3　nanohybrid　photocatalyst.　This　study　may　provide　some　guidance　on　the　construction　of　direct　Z-scheme　photocatalytic　system　for　photocatalytic　H2　evolution.　©　2019　Hydrogen　Energy　Publications　LLC

Keyword：

H2 evolution; Heterojunction; Photocatalysis; Z-scheme; ZnIn2S4/LaNiO3

Community：

[ 1 ] [Wang, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 2 ] [Wang, Z.]Fujian Provincial Key Lab of Coastal Basin Environments, Fuqing Branch of Fujian Normal University, Fujian Province, Fuqing, 350300, China
[ 3 ] [Su, B.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Xu, J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 5 ] [Hou, Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 6 ] [Ding, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address：

[Ding, Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

Email：

zxding@fzu.edu.cn

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Source ：

International Journal of Hydrogen Energy

ISSN： 0360-3199

Year： 2020

Issue： 7

Volume： 45

Page： 4113-4121

5 . 8 1 6

JCR@2020

8 . 1 0 0

JCR@2023

ESI HC Threshold：132

JCR Journal Grade：2

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 81

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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