离子交换树脂均匀沉淀法制备MgO纳米粒子

人工晶体学报 ›› 2009, Vol. 38 ›› Issue (2): 519-524.

离子交换树脂均匀沉淀法制备MgO纳米粒子

刘颖;冯金朝

中央民族大学生命与环境科学学院,北京,100081;内蒙古师范大学化学与环境科学学院,呼和浩特,010022;中央民族大学生命与环境科学学院,北京,100081

出版日期:2009-04-15 发布日期:2021-01-20
基金资助:
国家自然科学基金(20767004);面向21世纪教育振兴行动计划（985计划）(MUC 985-3-3);211 Project of Minzu University of China(MUC 021211306);State Key Program of Natural Science Foundation of Inner Mongolia(200711020202);Universityies'Science Research Projects of Inner Mongolia(NJ06108)

Preparation of MgO Nanoparticles by Ion Exchange Resin Homogenous Precipitation Method

LIU Ying;FENG Jin-chao

Online:2009-04-15 Published:2021-01-20

摘要/Abstract

摘要： 以(Mg(NO3)2·6H2O, (NH4)2CO3 和NH3·H2O为原料,采用两种离子交换树脂均匀沉淀法分别制备MgO纳米粒子.用热分析、X射线粉末衍射(XRD)、透射电子显微镜(TEM)、高分辨电子显微镜(HR TEM)、选区电子衍射(SAED)和BET等对所制备的MgO粒子进行了表征.结果表明:经700 ℃焙烧后制备的MgO纳米晶体属六方晶系,样品分散性较好,平均粒径约为25 nm;MgO纳米晶体清晰、有序的电子衍射点阵,表明晶体的结晶度较好;纳米粒子a和b的比表面积分别为31 m2/g and 32 m2/g.

关键词: 离子交换树脂;均匀沉淀法;MgO纳米粒子;制备

Abstract: MgO nanoparticles was prepared by exchange resin homogenous precipitation methods using Mg(NO3)2·6H2O, (NH4)2CO3 and NH3·H2O as raw materials. The MgO nanoparticles was characterized and analyzed by thermo-gravimetric (TC) analysis, infrared (IR) spectrum analysis, X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR TEM), selected area electron diffraction (SAED) and the bet method (BET). The results indicated that the particles a and b calcined at 700 ℃ had a clear crystal lattice and hexagonal shapes with average 25 nm in diameter, the As with 31 m2/g and 32 m2/g, respectively.

Key words: MgO nanoparticles was prepared by exchange resin homogenous precipitation methods using Mg(NO3)2·6H2O, (NH4)2CO3 and NH3·H2O as raw materials. The MgO nanoparticles was characterized and analyzed by thermo-gravimetric (TC) analysis, infrared (IR) spectrum analysis, X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR TEM), selected area electron diffraction (SAED) and the bet method (BET). The results indicated that the particles a and b calcined at 700 ℃ had a clear crystal lattice and hexagonal shapes with average 25 nm in diameter, the As with 31 m2/g and 32 m2/g, respectively.

中图分类号:

O614

刘颖;冯金朝. 离子交换树脂均匀沉淀法制备MgO纳米粒子[J]. 人工晶体学报, 2009, 38(2): 519-524.

LIU Ying;FENG Jin-chao. Preparation of MgO Nanoparticles by Ion Exchange Resin Homogenous Precipitation Method[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2009, 38(2): 519-524.

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