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CdWO_4纳米晶形貌可控合成 被引量:1

Morphology-controlled Synthesis of CdWO_4 Nanocrystals
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摘要 分别以氯化镉、草酸镉、碳酸镉、柠檬酸镉和钨酸钠为原料,在没有采用模板和表面活性剂的条件下,采用水热法可控制备出了钨酸镉纳米颗粒、纳米棒、纳米束和纳米线。利用X射线衍射(XRD)、透射电镜(TEM)、高分辨透射电子显微镜(HRTEM)和选区电子衍射(SAED)对样品进行了表征。结果表明:[WO42-]/[Cd2+]摩尔比、反应时间及先驱体的类型对产物的形貌和尺寸有着重要的影响。 CdWO4 nanoparticles,nanorods,nanobundles,and nanowires were controllably synthesized via a hydrothermal method without any templates and surfactants using CdCl2,CdC2O4,CdCO3,(C6H5O7) 2Cd3,and Na2WO4 as raw materials.The as-prepared powders were characterized by XRD,TEM,HRTEM,and SAED.The results showed that the molar ratio of [WO42-]/[Cd2 +],reaction time,and the type of precursors had a crucial effect on the morphology and size of the products.
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2013年第7期1414-1418,共5页 Journal of Synthetic Crystals
基金 河南省自然科学基金(2011B430019)
关键词 形貌可控合成 钨酸镉纳米晶 水热法 morphology-controlled synthesis CdWO4 nanocrystals hydrothermal method
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