硫化锌微米球的水热合成和光催化性能

人工晶体学报 ›› 2012, Vol. 41 ›› Issue (1): 125-129.

硫化锌微米球的水热合成和光催化性能

汤化伟;李珍

中国地质大学材料科学与化学工程学院,武汉,430074

出版日期:2012-02-15 发布日期:2021-01-20
基金资助:
the non-metallic Mineral Resources Development Strategy of Heilongjiang Province(07026048)

Hydrothermal Synthesis and Photocatalytic Properties of Zinc Sulfide Microsphere

TANG Hua-wei;LI Zhen

Online:2012-02-15 Published:2021-01-20

摘要/Abstract

摘要： 采用简单的低温水热法成功合成了硫化锌微球.利用X射线衍射(XRD)、场发射扫描电镜(FESEM)、透射电镜(TEM)、光催化、光致发光(PL)和紫外-可见吸收光谱(UV-Vis)技术对ZnS样品的结构、形貌及光学和光催化性能进行表征和分析.结果表明ZnS微米球为立方闪锌矿,所制备样品的PL发射中心位于468 rn,室温UV -Vis吸收峰位于276.5nm.光催化性能显示,在自然光照射1h时,甲基橙的降解率达到93.15;.实验制备的硫化锌样品具有较好的光催化性能和应用前景.

关键词: 硫化锌;光学性能;光催化;水热法

Abstract: ZnS microspheres have been successfully synthesized by a facile hydrothermal method at low temperature. The structure and optical properties and photocatalytic of ZnS sample have been characterized by X-ray diffraction ( XRD ),Field emission scanning electron microscopic (FESEM),transmission electron microscope (TEM),photoluminescence (PL) and UV-Vis spectrophotometer.The results revealed that the obtained products were cubic sphalerite ZnS microspheres.The PL spectrum exhibits an emission at about 468 nm and the UV-absorption peak centering at around 276.5 nm,respectively.Photocatalytic performance indicated the degradation rate is 93.15; when the methyl orange solution with ZnS was illuminated after 1 h under nature light.The as-prepared ZnS sample exhibit good photocatalytic property and application prospect.

Key words: ZnS microspheres have been successfully synthesized by a facile hydrothermal method at low temperature. The structure and optical properties and photocatalytic of ZnS sample have been characterized by X-ray diffraction ( XRD ),Field emission scanning electron microscopic (FESEM),transmission electron microscope (TEM),photoluminescence (PL) and UV-Vis spectrophotometer.The results revealed that the obtained products were cubic sphalerite ZnS microspheres.The PL spectrum exhibits an emission at about 468 nm and the UV-absorption peak centering at around 276.5 nm,respectively.Photocatalytic performance indicated the degradation rate is 93.15; when the methyl orange solution with ZnS was illuminated after 1 h under nature light.The as-prepared ZnS sample exhibit good photocatalytic property and application prospect.

中图分类号:

O614

汤化伟;李珍. 硫化锌微米球的水热合成和光催化性能[J]. 人工晶体学报, 2012, 41(1): 125-129.

TANG Hua-wei;LI Zhen. Hydrothermal Synthesis and Photocatalytic Properties of Zinc Sulfide Microsphere[J]. Journal of Synthetic Crystals, 2012, 41(1): 125-129.

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