JOURNAL ARTICLE

Cu 2 ZnSnS 4 -CdS复合材料的制备及其在光催化制氢中的应用

路彦丽王靖宇王建省张文立曾雄丰

Year: 2019 Journal:   复合材料学报 Vol: 36 (9)Pages: 2169-2175

Abstract

为了进一步提高Cu2ZnSnS4的光催化制氢性能,首先通过水热法制备出Cu2ZnSnS4光催化材料,在此基础上加入Cd(CH3COO)2·2H2O和Na2S进行二次水热反应制备Cu2ZnSnS4-CdS复合材料。通过XRD、SEM、TEM、Raman及XPS等分析测试方法对Cu2ZnSnS4-CdS复合材料的物相结构、微观形貌和元素价态进行了表征。结果表明:成功制备了结晶性能较好的Cu2ZnSnS4-CdS复合材料。Cu2ZnSnS4-CdS复合材料是由球状和块状颗粒组成;Cu2ZnSnS4-CdS复合材料表面>95%的Cd和S原子(原子比为1:1)的存在说明块状颗粒Cu2ZnSnS4表面生长的球形颗粒为CdS;在氙灯下的光催化制氢性能表明,Cu2ZnSnS4-CdS复合材料的光催化制氢效果明显优于Cu2ZnSnS4和CdS,产氢效率为296.17 μmol(g·h)-1。

Keywords:
Materials science

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