Journal of South China University of Technology (Natural Science Edition) ›› 2013, Vol. 41 ›› Issue (3): 129-134.doi: 10.3969/j.issn.1000-565X.2013.03.019

• Chemistry & Chemical Engineering • Previous Articles     Next Articles

Effect of Reaction Time on Photocatalytic Performance of ZnIn2S4 for Hydrogen Production

Yuan Wen-Hui1 Liu Xiao-Chen1 Li Li2   

  1. 1.School of Chemistry and Chemical Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China;2.School of Environment and Energy,South China University of Technology,Guangzhou 510006,Guangdong,China
  • Received:2012-06-15 Revised:2012-11-13 Online:2013-03-25 Published:2013-02-01
  • Contact: 袁文辉(1969-)，男，博士，副教授，主要从事纳米功能材料研究． E-mail:cewhyuan@scut.edu.cn
  • About author:袁文辉(1969-)，男，博士，副教授，主要从事纳米功能材料研究．
  • Supported by:

    国家自然科学基金资助项目( 20976057)

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Abstract:

Photocatalyst ZnIn2S4 was synthesized via the solvothermal method without templates,catalysts and surfactants,and the as-synthesized samples were characterized by means of XRD,SEM,EDS,XPS and UV-vis.Moreover,the effects of reaction time on the crystal structure,morphology,optical properties and photocatalyticactivity of ZnIn2S4 samples were discussed. The results indicate that ZnIn2S4 microspheres are composed of numerousnanosheets and present petaloid structure,and that,with the decrease of reaction time,the crystallite graduallyenlarges,the stability of the samples improves and the hydrogen production rate increases. However,with theincrease of reaction time,the photocatalytic activity of ZnIn2S4 decreases. In addition,after a solvothermal procedurefor 1h,the photocatalytic activity of ZnIn2S4 achieves the maximum and the hydrogen production rate is up to745.8 μmol /( h·g) .

Key words: photocatalyst, solvothermal method, ZnIn2S4, hydrogen production

CLC Number: