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固相反应法合成的巯基乙酸钠修饰ZnS的光催化性能

Chinese Journal of Applied Chemistry(2006)

Cited 23|Views6
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Abstract
用固相反应法,以醋酸锌、硫化钠、巯基乙酸为原料在室温条件下制得平均粒径为2~4 nm的巯基乙酸钠修饰的ZnS,并用多种谱学方法表征了巯基乙酸钠修饰ZnS的组分和结构。结果发现,巯基乙酸钠修饰ZnS粒子分散均匀,平均粒径较小,在水溶液中的分散性也很好,因此,巯基乙酸钠修饰ZnS对甲基橙光降解有很高的光催化活性。溶液pH值对其光催化活性有较大影响,当溶液pH值为3.5时,紫外光照60 m in后,巯基乙酸钠修饰的ZnS对甲基橙光降解的光催化活性可高达99.4%。
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Key words
solid phase reaction method,methyl orange,photocatalysis,sodium thioglycollate modified ZnS
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