A high efficient photocatalyst Ag3VO4/TiO2/graphene nanocomposite with wide spectral response - Details

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Abstract：

Great　efforts　have　been　made　to　develop　efficient　visible　light　activated　photocatalysts　in　recent　years.　In　this　work,　Ag3VO4/TiO2/graphene　nanocomposite　as　a　wide　spectrum　responsive　photocatalyst　was　prepared　first　by　a　two-step　process,　which　exhibited　obviously　increased　visible　light　absorption　and　photocatalytic　activity　in　degradation　of　organic　pollutants　including　methyl　orange　and　Rhodamine　B,　compared　with　Ag3VO4/TiO2　and　TiO2/GR　nanocomposites.　For　Ag3VO4/TiO2/graphene　nanocomposite,　the　introduction　of　graphene　contributed　to　the　uniform　dispersion　of　Ag3VO4　and　TiO2　nanoparticles　on　graphene　sheets.　The　capacity　of　graphene　in　storing　and　shuttling　electrons　and　the　formation　of　heterojunction　between　Ag3VO4　and　TiO2　facilitated　together　the　enhancement　of　efficiency　in　the　separation　of　photogenerated　electron-hole　pairs.　Based　on　the　results　of　photoelectrochemical　measurement　and　the　detection　of　active　species　in　photocatalytic　degradation　process,　the　transfer　of　photogenerated　carriers　and　photocatalytic　degradation　mechanism　on　Ag3VO4/TiO2/graphene　nanocomposite　were　proposed　and　discussed　in　detail.　©　2013　Elsevier　B.V.

Keyword：

Absorption spectroscopy Azo dyes Degradation Dyes Graphene Heterojunctions Light Light absorption Nanocomposites Organic pollutants Photocatalytic activity Silver compounds TiO2 nanoparticles Titanium dioxide

Community：

[ 1 ] [Wang, Jinxiu]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Wang, Peixian]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 3 ] [Cao, Yuantao]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 4 ] [Chen, Jing]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Li, Wenjuan]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 6 ] [Shao, Yu]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 7 ] [Zheng, Yi]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 8 ] [Li, Danzhen]Research Institute of Photocatalysis, State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, China

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dzli@fzu.edu.cn

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A high efficient photocatalyst Ag3VO4/TiO2/graphene nanocomposite with wide spectral response
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Source ：

Applied Catalysis B: Environmental

ISSN： 0926-3373

Year： 2013

Volume： 136-137

Page： 94-102

6 . 0 0 7

JCR@2013

2 0 . 3 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count： 165

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 2

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