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高温自加压制备纳米二硫化钨 被引量:1

Preparation of nano-sized tungsten disulfide by high temperature and self-increasing pressure
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摘要 提出了一种合成无机类富勒烯过渡金属硫化物纳米粒子的方法。用二甲基亚砜作为分散剂,将钨酸钠水溶液经阳离子交换树脂获得的三氧化钨溶胶与硫粉混合,在高压反应釜中用不同的温度加热,可制得不同形貌的二硫化钨纳米颗粒。采用扫描电镜(SEM)和粉末X射线衍射(XRD)等手段,对所制备的样品进行检测分析,证实所得灰黑色产物是不同形貌的纳米二硫化钨粒子。 A process was presented for the synthesis of inorganic fullerene-like(IF) tungsten disulfide ( WS2 ) nanoparticles. With dimethyl sulfoxide ( DMSO ) as dispersaut, tungsten trioxide sols were obtained from exchanging sodium tungstate with proton in cation resin. The mixture of tungsten trioxide sols and sulfur podwer were heated in high-pressure reactor at the different temperatures. Investigated by scanning electron microscopy ( SEM ) and X - ray diffraction ( XRD ) , black products were confirmed as tungsten disulfide nanopartieles with different morphologies.
出处 《无机盐工业》 CAS 北大核心 2009年第3期17-18,61,共3页 Inorganic Chemicals Industry
基金 国家自然科学基金资助项目(50472028)
关键词 高温自加压 二硫化钨 无机富勒烯 high temperature and self-increasing pressure tungsten disulfide inorganic fullerene
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