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应用化学
Chinese Journal of Applied Chemistry
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A Simple and Controllable Preparation of PbS Nanobelts
MA Youmei, YANG Xiaoping*, JIA Xiaolong, GUO Lijuan
(State Key Laboratory of Organic-Inorganic Composites,College of Materials Science
and Engineering,Beijing University of Chemical Technology,Beijing 100039,China)
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Abstract  PbS nanobelts were synthesized by a facile hydrothermal method using lead nitrate, thioacetamide and dodecyl benzene sulfonate(SDBS) as raw materials. SDBS played a dual role as both the starting material and surfactant in the reaction. The as-prepared nanobelts were characterized by transmission electron microscopy and X-ray diffraction. The photoluminescence property of the nanobelts was also studied. It was concluded that the intermediate PbSO4 could act as a template for the growth of PbS nanobelts under hydrothermal conditions. The formation mechanism of nanobelts was further investigated. The results indicated that the intermediate PbSO4 could paly restriction effect on the surfactant(SDBS). When PbSO4 was replaced by other lead composite, the surfactant would lose its role and irregular micro-crystals were obtained consequently. The formation of nanobelts was readily controlled under a slow reaction speed. The result presented here may open an efficient way to synthesizing nanobelts with different morphologies.
Keywords micro-crystals      template effect      morphology control      lead sulfide nanobelts     
CLC:  O614  
Corresponding Authors: YANG Xiaoping   
About author: State Key Laboratory of Organic-Inorganic Composites,College of Materials Science and Engineering,Beijing University of Chemical Technology,Beijing 100029,P.R.China
Received: 2011-08-30      Revised: 2011-10-12     
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MA Youmei, YANG Xiaoping*, JIA Xiaolong, GUO Lijuan. A Simple and Controllable Preparation of PbS Nanobelts[J]. Chinese Journal of Applied Chemistry,2012, 29(05): 557-564.
URL:  
http://yyhx.ciac.jl.cn/EN/10.3724/SP.J.1095.2012.00382     OR     http://yyhx.ciac.jl.cn/EN/Y2012/V29/I05/557
[1] ZHAO Xinmei1, QIU Fubao2, WANG Haishui2*. Influence of Mn2+ on the Morphology Control of ZnS Nanoparticles[J]. Chinese Journal of Applied Chemistry, 2012, 29(02): 191-195.
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