Tip-grafted Ag-ZnO nanorod arrays decorated with Au clusters for enhanced photocatalysis - Details

author：

Xie, Y.-S. (Xie, Y.-S..) ^[1] | Zhang, N. (Zhang, N..) ^[2] | Tang, Z.-R. (Tang, Z.-R..) ^[3] | Anpo, M. (Anpo, M..) ^[4] | Xu, Y.-J. (Xu, Y.-J..) ^[5]

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Abstract：

The　design　and　optimization　of　semiconductor-metal/metal　cluster　heterostructures　are　highly　desirable　for　efficient　photocatalytic　redox　reactions.　Herein,　Ag-tipped　ZnO　nanorod　arrays　decorated　with　glutathione-protected　Au　clusters　(ZnO-Ag-Au　NRAs)　have　been　successfully　prepared　via　photodeposition　method　and　electrostatic　self-assembly　method,　in　which　Ag　nanoparticles　are　demonstrated　to　act　as　an　electron　mediator　and　Au　clusters　serve　as　a　visible　light　photosensitizer　to　generate　additional　charge　carriers　in　the　composite　photocatalyst.　With　selective　tip　growth　of　metallic　Ag　and　surface　decoration　of　Au　clusters　on　ZnO　NRAs,　the　as-obtained　ZnO-Ag-Au　NRAs　operate　to　boost　the　charge　separation　and　transfer,　thereby　showing　the　enhanced　photocatalytic　reduction　of　aqueous　heavy　metal　ions.　This　work　affords　a　feasible　paradigm　for　the　fine　construction　of　tipped　one-dimensional-based　hybrid　photocatalysts　with　enhanced　activity　toward　the　elimination　of　heavy　metal　pollutants　from　aqueous　solutions.　©　2018　Elsevier　B.V.

Keyword：

Ag nanoparticles; Au clusters; Heavy metal pollutants; ZnO nanorod arrays

Community：

[ 1 ] [Xie, Y.-S.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Xie, Y.-S.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Zhang, N.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Zhang, N.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Tang, Z.-R.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Anpo, M.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Anpo, M.]Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka, 599-8531, Japan
[ 8 ] [Xu, Y.-J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 9 ] [Xu, Y.-J.]College of Chemistry, New Campus, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Xu, Y.-J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

Email：

yjxu@fzu.edu.cn

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Source ：

Catalysis Today

ISSN： 0920-5861

Year： 2020

Volume： 340

Page： 121-127

6 . 7 6 6

JCR@2020

5 . 2 0 0

JCR@2023

ESI HC Threshold：160

JCR Journal Grade：1

CAS Journal Grade：2

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WoS CC Cited Count：

SCOPUS Cited Count： 37

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 2

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