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Cu2ZnSnS4(CZTS)纳米微球的制备及表征

周超 ,  王丹 ,  高延敏

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引用本文: 周超, 王丹, 高延敏. Cu2ZnSnS4(CZTS)纳米微球的制备及表征[J]. 无机化学学报, 2013, 29(11): 2382-2386. doi: 10.3969/j.issn.1001-4861.2013.00.376 shu
Citation:  ZHOU Chao, WANG Dan, GAO Yan-Min. Fabrication and Characterization of Cu2ZnSnS4 (CZTS) Microparticles[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(11): 2382-2386. doi: 10.3969/j.issn.1001-4861.2013.00.376 shu

Cu2ZnSnS4(CZTS)纳米微球的制备及表征

  • 基金项目:

    国家自然科学基金(No.51075197)资助项目。 (No.51075197)

摘要: 为研究PVP含量对CZTS颗粒形貌以及分散性的影响,本文采用溶剂热法,以CuCl2·2H2O、Zn(Ac)2·2H2O、SnCl4·5H2O作金属源,硫脲作硫源,乙二醇为溶剂,在体系中加入不同含量的PVP,成功制备了CZTS微球。通过XRD、Raman、SEM、TEM、UV-Vis等方法检测分析CZTS纳米微球的物相、结构、形貌以及光学性能。结果表明:所得CZTS纳米颗粒具有锌黄锡矿结构;当体系中PVP含量为0.2g时,颗粒分散性较好,制备的颗粒形貌为表面嵌有纳米薄片的微球,纳米片较在体系中加入0.1gPVP更致密;光学带隙约为1.47eV,与太阳能电池所需的最佳带隙接近。最后,对表面嵌有纳米薄片的CZTS微球可能的形成机理进行了推测。

English

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  • 收稿日期:  2013-05-02
  • 网络出版日期:  2013-06-19
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