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粒度可调纳米CuO的制备及其表面硫化研究

顾少楠 ,  孙和云 ,  范迎菊 ,  孙中溪

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引用本文: 顾少楠, 孙和云, 范迎菊, 孙中溪. 粒度可调纳米CuO的制备及其表面硫化研究[J]. 无机化学学报, 2013, 29(6): 1185-1191. doi: 10.3969/j.issn.1001-4861.2013.00.181 shu
Citation:  GU Shao-Nan, SUN He-Yun, FAN Ying-Ju, SUN Zhong-Xi. Synthesis of Size Tunable Nano Copper Oxide and Its Surface Sulphidization[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(6): 1185-1191. doi: 10.3969/j.issn.1001-4861.2013.00.181 shu

粒度可调纳米CuO的制备及其表面硫化研究

  • 基金项目:

    国家自然科学基金(No.51274104,50874052) (No.51274104,50874052)

    国家重大科学研究计划(No.2011CB933700)资助项目。 (No.2011CB933700)

摘要: 用Cu(NO3)2·3H2O为原料,25%氨水为配位剂,用NaOH做沉淀剂,在不同醇-氨水体系中用配位沉淀法制备粒径可调的纳米CuO。通过热重差热分析法(TG-DTA)分析前驱体的组成并得到煅烧最佳温度。在制备前驱体过程中,探究了反应体系溶剂分别为乙醇、正丁醇、正辛醇时对产物粒径的影响,实验结果表明:随着醇溶剂中碳链的增长,得到纳米CuO的比表面积依次增大,粒度依次减小。将纳米CuO与硫单质混合,在通入氮气的管式炉中以200 ℃加热90 min,可以得到表面硫化的CuO(CuO/CuS),利用X-射线粉末衍射(XRD)和红外吸收光谱(FT-IR)对纳米CuO和CuO/CuS进行表征。最后将纳米CuO和CuO/CuS分别对乙基黄原酸钾进行吸附,结果表明CuO/CuS对乙基黄原酸钾吸附能力明显增强,进而证明氧化铜表面发生了硫化。

English

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  • 收稿日期:  2012-10-10
  • 网络出版日期:  2013-02-05
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