纳米银粒子的制备及其表征  

Preparation and Characterization of Spherical Silver Nanoparticles

作　　者：刘艳娥 马思琪 尹荔松[2] LIU Yan-e;MA Si-qi;YIN Li-song(Department of physics,Lvliang University,Lvliang 033000,China;School of applied physics and materials,Wuyi University,Jiangmen 529030,China)

机构地区：[1]吕梁学院物理系,山西吕梁033000 [2]五邑大学应用物理与材料学院,广东江门529030

出　　处：《世界有色金属》2019年第21期256-258,共3页World Nonferrous Metals

基　　金：2018年山西省面上自然基金项目(201801D121125);2018年山西省面上青年基金项目(201801D221108);2016年广东省重大专项项目(2016B0113003);2014年广东省产学研应用专项项目(2014B090904084)

摘　　要：本文采用水热法,以聚乙烯吡咯烷酮为分散剂,用葡萄糖直接还原硝酸银制备纳米银粒子。探讨了反应时间和反应物的浓度等参数对纳米银粒子的形貌、粒子尺寸的影响,利用SEM、XRD和EDS等手段表征了纳米银粒子的形貌和特性。结果表明:在反应温度140℃,反应时间6h的条件下,可制备粒径为20nm左右分散均匀,形貌单一的球形纳米银粒子。Silver nanoparticles were synthesized from silver nitrate by hydrothermal method which glucose as the reducing agents.The effect of different reaction time and the different concentrations of reactants on the morphology and diameter of nano-silver were studied.The features of the silver nanoparticles were characterized by scanning electron microscop,energydispersive spectroscopy and X-ray diffraction.The results showed that the obtained silver nanoparticles were single dispersed spherical shape with the temperature of 140℃,time of 6h,and the diameter is about 20nm.

关 键 词：水热法 纳米银粒子 球形 葡萄糖 

分 类 号：TB34[一般工业技术—材料科学与工程]