化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (5) : 181-183.

科学研究

Cd_1-xZn_xS的制备及光催化性能研究

作者信息 +

Preparation and photocatalytic activity of Cd_1-xZn_xS

Zheng Dandan, Chang Wei, Xi Qiang, Yu Cuihua

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文章历史 +

Received		Published
2017-01-22		2018-05-20
Issue Date	Revised Date
2018-07-03	2017-01-22

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摘要

以聚乙烯吡咯烷酮(PVP)作为包覆剂,通过共沉淀法成功合成了不同配合比的硫锌镉(Cd_1-xZn_xS)材料。利用扫描电子显微镜(SEM)、X射线衍射(XRD)和红外光谱(FT-IR)等手段对其形貌、结构和光学性质进行了表征,并研究了制得的材料对亚甲基蓝和罗丹明B的光催化降解性能和重复使用率。结果表明,Cd_0.75Zn_0.25S材料具有较好的光催化性能,在光照75min条件下,Cd_0.75Zn_0.25S对亚甲基蓝和罗丹明B的降解率分别达到60%和70%。Cd_0.75Zn_0.25S重复使用5次,对亚甲基蓝的降解率是原降解率的80%以上。

Abstract

Zinc cadmium sulfide (Cd_1-xZn_xS) nanomaterials with different ratio were successfully synthesized by co-precipitation method used polyvinylpyrrolidone (PVP) as coatingagent.The morphology,structure and optical characteristics of materials were characterized by scanning electron microscopy (SEM),X-ray diffraction (XRD) and fourier transform infrared spectroscopy (FT-IR).The photocatalytic degradation property and the repetition rate of prepared materials to methylene blue and rhodamine B were studied.The results showed that Cd_0.75Zn_0.25S had better photocatalytic activity.The degradation rate of Cd_0.75Zn_0.25S to methylene blue and rhodamine B reached 60% and 70% respectively under light irradiation for 75min.The degradation rate of methylene blue was more than 80% of original degradation rate when Cd_0.75Zn_0.25S was repeated use for 5 times.

关键词

硫锌镉 / 共沉淀法 / 光催化

Key words

Cd_1-xZn_xS / co-precipitation method / photocatalysis

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Cd_1-xZn_xS的制备及光催化性能研究[J]. 化工新型材料, 2018, 46(5): 181-183 DOI:

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