Low temperature synthesis of nanosized ZnNb2O6 photocatalysts by a citrate complex method - Details

author：

Wu, Weiming (Wu, Weiming.) ^[1] | Liang, Shijing (Liang, Shijing.) ^[2] | Ding, Zhengxin (Ding, Zhengxin.) ^[3] | Zheng, Huarong (Zheng, Huarong.) ^[4] | Wu, Ling (Wu, Ling.) ^[5]

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Abstract：

Nanosized　ZnNb2O6　photocatalysts　(band　gaps　˜4.0　eV)　were　successfully　synthesized　via　a　citrate　complex　method.　Their　particle　sizes　ranged　from　50　to　150　nm.　The　result　of　Mott-Schottky　measurement　revealed　that　the　flat-band　potential　of　ZnNb2O6　was　ca.　-1.3　V　versus　Ag/AgCl　at　pH　6.6.　The　photocatalytic　activities　of　the　samples　for　the　degradation　of　methyl　orange　were　evaluated　under　UV-light　(λ　=　254　nm).　It　was　found　that　the　sample　obtained　at　850°C　showed　the　highest　photocatalytic　activity　due　to　its　opportune　crystallinity　and　surface　area.　Furthermore,　OH　radicals　were　detected　as　the　major　oxidation　agents　responsible　for　the　decomposition　of　methyl　orange.　©　Springer　Science+Business　Media,　LLC　2011.

Keyword：

Azo dyes Chlorine compounds Citrus fruits Complexation Crystallinity Energy gap Free radicals Low temperature effects Nanoparticles Niobium compounds Photocatalysis Photocatalytic activity Silver compounds Temperature Zinc compounds

Community：

[ 1 ] [Wu, Weiming]State Key Laboratory Breeding Base of Photocatalysis, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Liang, Shijing]State Key Laboratory Breeding Base of Photocatalysis, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 3 ] [Ding, Zhengxin]State Key Laboratory Breeding Base of Photocatalysis, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 4 ] [Zheng, Huarong]State Key Laboratory Breeding Base of Photocatalysis, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Wu, Ling]State Key Laboratory Breeding Base of Photocatalysis, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China

Reprint 's Address：

Email：

wuling@fzu.edu.cn

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Source ：

Journal of Sol-Gel Science and Technology

ISSN： 0928-0707

Year： 2012

Issue： 3

Volume： 61

Page： 570-576

1 . 6 6

JCR@2012

2 . 3 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 16

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 0

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