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胶溶法制备NiO纳米晶热敏材料
引用本文:王子忱,张丽华.胶溶法制备NiO纳米晶热敏材料[J].高等学校化学学报,1992,13(10):1287-1290.
作者姓名:王子忱  张丽华
作者单位:吉林大学化学系 长春130023 (王子忱,张丽华,李熙,徐宝琨),吉林大学化学系 长春130023(赵慕愚)
摘    要:本文用胶溶法合成了NiO纳米晶超微粒.初步探讨了合成的最佳实验条件.研究了不同灼烧温度及同一温度不同灼烧时间对NiO超微粒子微晶的晶化过程的影响.用X射线衍射、红外光谱、热重、差热、透射电镜研究了样品的性能.结果表明,用胶溶法制得的NiO纳米晶的粒度均小于6nm,属立方晶系,形状为球形.电导率随着温度的升高而迅速增大,是一个有应用前景的热敏材料.

关 键 词:纳米晶  氧化镍  胶溶法  热敏材料

Preparation of Nanocrystalline Materials of NiO by Colloidal-Method
WANG Zi-Chen,ZHANG Li-Hua,Li Xi,XU Bao-Kun,ZHAO Mu-Yu.Preparation of Nanocrystalline Materials of NiO by Colloidal-Method[J].Chemical Research In Chinese Universities,1992,13(10):1287-1290.
Authors:WANG Zi-Chen  ZHANG Li-Hua  Li Xi  XU Bao-Kun  ZHAO Mu-Yu
Abstract:NiO nanocrystalline materials were prepared from NiCl2 and NaOH by the colloidal chemicai method.The most favourable experiment conditions for the preparation of NiO ultrafine particles(UFP) were studied.XRD,IR,TG,DTA and TEM examinations were used to characterize the samples.The spherical UFP particle NiO is cubic crystal with an average diameter of 6.0 nm.
Keywords:Nanocrystalline ultrafine particles  NiO  Colloidal chemical method
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