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有色金属(冶炼部分):2012,(8):51-53
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Mg2 掺杂Zn0.5Cd0.5S固溶体光催化剂的制备及光解水制氢
程彩虹,彭绍琴,李越湘
(南昌大学化学系 南昌 330031,南昌大学化学系 南昌 330031,南昌大学化学系 南昌 330031)
Preparation of Mg2 Doping Cd0.5Zn0.5S Solid Solution and Its Properties of Splitting Water into Hydrogen
CHENG Cai-hong,PENG Shao-qin and LI Yue-xiang
(Department of Chemistry,Nanchang University,,)
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投稿时间:2012-01-09     修订日期:2012-01-10     录用日期:2012-01-10     网络发布日期:2012-07-25
中文摘要: 采用水热法制备了Cd0.5Zn0.5S和掺杂0.4%(摩尔百分数) Mg2 的0.4%Mg/Cd0.5Zn0. 5S固溶体光催化剂。采用UV-Vis、XRD以及电化学等手段对催化剂进行表征,并考查催化剂可见光下分解水制氢的活性。结果表明:Mg2 掺杂提高了Cd0.5Zn0.5S固溶体中光生电子和空穴的分离效率,大大提高了Cd0.5Zn0.5S固溶体光催化制氢的活性。
Abstract:Cd0.5Zn0.5S and Mg2 doped (0.4%, mole percent) 0.4%Mg/Cd0.5Zn0.5S solid solution photocatalysts were prepared hydrothermally and characterized by XRD, UV-Vis absorption spectroscope and electrochemistry. Their photo activities were evaluated by production of hydrogen from water under visible light (λ≥420 nm) irradiation. The results show that Mg2 doping improves the separation efficiency of photo-generated electrons and holes in Cd0.5Zn0.5S solid solution, and the visible light photo-catalytic activity of 0.4%Mg/Cd0.5Zn0.5S solid solution was markedly enhanced.
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基金项目:国家自然科学基金资助项目(21163012);国家重点基础研究发展规划项目(2009CB220003);江西省自然科学基金资助项目(2010JZH0096)
引用文本:
程彩虹,彭绍琴,李越湘.Mg2 掺杂Zn0.5Cd0.5S固溶体光催化剂的制备及光解水制氢[J].有色金属(冶炼部分),2012(8):51-53.
CHENG Cai-hong,PENG Shao-qin,LI Yue-xiang.Preparation of Mg2 Doping Cd0.5Zn0.5S Solid Solution and Its Properties of Splitting Water into Hydrogen[J].Nonferrous Metals (Extractive Metallurgy),2012(8):51-53.

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