文献类型：期刊文献

中文题名：纳米铬粉的制备研究

英文题名：Studies on the Preparation of Cr Nanometer Powder

作者：程起林[1];赵斌[2];古宏晨[1]

机构：[1]华东理工大学技术化学物理研究所;[2]华东理工大学化学系,上海200237

年份：2000

卷号：21

期号：2

起止页码：263

中文期刊名：高等学校化学学报

外文期刊名：Chemical Journal of Chinese Universities

收录：CSTPCD;;Scopus;北大核心:【北大核心1996】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金!(批准号 :59674026;29636010)资助

语种：中文

中文关键词：纳米铬粉;制备;液相还原法

外文关键词：Preparation of Cr nanometer powder; Dispersant; Nucleator; Thermal stability

摘要：以 Cr Cl3为原料 ,三乙基硼氢化钠为还原剂 ,聚乙烯吡咯烷酮为分散剂 ,Pd Cl2 为成核剂 ,于甲苯溶剂中制备出平均粒径约 50 nm的铬粉 ,反应温度、反应物浓度、分散剂与成核剂的添加是影响粒径的主要因素 .
Cr nanometer powder with mean diameter 50 nm was prepared in an organic solution of CrCl 3, using sodium triethylborohydride as a reducing agent, toluene as a solvent, PVP as a dispersant, PdCl 2 as a nucleator. The temperature, the concentration of reactants and the addition of dispersant and nucleator were the main factors affecting the particle size. Also the mechanism and thermal stability of Cr nanometer powder were discussed.