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二元金属氢氧化物前驱体硫化法制备ZnS-CdS复合纳米粒子及其放氢活性 被引量：2

Preparation of ZnS-CdS composite nanoparticles by sulfuration of a double hydroxide precursor and its photocatalytic performance
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摘要 用氢氧化物前驱体硫化法制备了Zn/Cd摩尔比不同的ZnS-CdS复合纳米粒子。用XRD表征了不同制备方法前驱体及最终产物的晶体结构和组成。用UV-Vis DRS研究了样品的光吸收性能。以SO32-/S2-为电子给体,研究了不同Zn/Cd样品载铂后的放氢活性。当硫酸镉和硫酸锌同时被NaOH沉淀后再硫化所得样品ZnS-CdS-2∶1的放氢活性最大,同时具有较好的稳定性。 ZnS-CdS composite nanoparticles with different Zn/Cd molar ratio were prepared by sulfuration of a double hydroxide precursor.The crystal structure and composition of the precursors and products obtained by different preparation method were investigated by XRD.The optical absorption properties of the products were characterized by UV-Vis DRS.Using the SO2-3/S2-as electron donor and Pt as a cocatalyst,hydrogen evolution of the products with different molar ratio of Zn/Cd was studied.The product ZnS-CdS-2∶1,which was synthesized that the mixture of cadmium sulfate and zinc sulphate first was precipitated with NaOH solution,following sulfuration with S2-,had the highest photoactivity and good stability.
作者 徐招弟 李越湘 彭绍琴
机构地区 南昌大学化学系
出处 《功能材料》 EI CAS CSCD 北大核心 2012年第1期62-65,共4页 Journal of Functional Materials
基金 国家重点基础研究发展计划(973计划)资助项目(2009CB220003) 江西省自然科学基金资助项目(2010JZH0096) 江西省教育厅科技资助项目(GJJ09041)
关键词 ZnS-CdS 制氢 二元金属氢氧化物 光催化剂 ZnS-CdS hydrogen evolution double hydroxide precursor photocatalyst
分类号 O643 [理学—物理化学]
  • 相关文献

参考文献15

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二级参考文献16

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共引文献12

同被引文献38

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