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S/Cd物质的量比对微波水热制备CdS微晶的形貌影响及光学性能研究
引用本文:胡宝云,黄剑锋,张 海,曹丽云,张钦峰,吴建鹏.S/Cd物质的量比对微波水热制备CdS微晶的形貌影响及光学性能研究[J].无机化学学报,2010,26(6):1039-1043.
作者姓名:胡宝云  黄剑锋  张 海  曹丽云  张钦峰  吴建鹏
作者单位:1. 教育部轻化工助剂化学与技术重点实验室,陕西科技大学,西安710021
2. 天津金耐达筑炉衬里有限公司,天津,300200
基金项目:国家自然科学基金,教育部博士点基金,陕西科技大学科研创新团队基金,陕西科技大学博士科研基金,陕西科技大学研究生创新基金资助项目 
摘    要:采用微波水热法,以CdCl2·H2O和Na2S2O3·5H2O为镉源和硫源,在不同的S/Cd物质的量比条件下合成了CdS微晶。利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、场发射扫描电子显微镜(FE-SEM)、EDS、透射电子显微镜(TEM)等对样品的物相、形貌和元素组分进行了分析。结果表明:随着S/Cd物质的量比的增大,产物CdS的形貌发生规律性变化,由四面体结构逐渐转变为准球形结构;准球形结构具有分级结构,是由更小的纳米晶组装而成;光致发光性质研究结果表明,所得的CdS微晶具有较好的蓝光发射性能。

关 键 词:S/Cd物质的量比    CdS微晶    光学性能    微波水热

Influence of S/Cd Molar Ratio on the Morphology and Optical Property of CdS Microcrystalline Prepared by Microwave Hydrothermal
HU Bao-Yun,HUANG Jian-Feng,ZHANG Hai,CAO Li-Yun,ZHANG Qin-Feng and WU Jian-Peng.Influence of S/Cd Molar Ratio on the Morphology and Optical Property of CdS Microcrystalline Prepared by Microwave Hydrothermal[J].Chinese Journal of Inorganic Chemistry,2010,26(6):1039-1043.
Authors:HU Bao-Yun  HUANG Jian-Feng  ZHANG Hai  CAO Li-Yun  ZHANG Qin-Feng and WU Jian-Peng
Abstract:CdS microcrystalline was prepared by Microwave Hydrothermal Process through the reactions of CdCl2·H2O and Na2S2O3·5H2O for different S/Cd molar ratio. The obtained product was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), field-emission scanning electron microscopy (FE-SEM), EDS, transmission electron microscopy (TEM) and photoluminescence spectroscopy(PL). The results indicate that the morphology of prepared CdS change regularly with the increase of S/Cd molar ratio, and the morphology of CdS transforms from tetrahedron to quasi-sphere; and the hierarchical quasi-spherical CdS is derived from the nanoparticles-assembly; The CdS microcrystalline can be used as a potential blue light emitting material.
Keywords:S/Cd molar ratio  CdS microcrystalline  optical property  microwave hydrothermal
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