PDF全文下载：2011010012
韩文忠， 张瑾， 刘漫红*
(青岛科技大学 材料科学与工程学院，山东 青岛 266042)
摘要： 以聚乙烯吡咯烷酮（PVP）为保护剂，以醇为还原剂，制备了PVP-Pt纳米粒子，用透射电镜进行了表征。结果表明，所制得的铂纳米粒子的平均粒径大小在2.6~4.4 nm之间，其粒径的标准偏差为0.35~0.93 nm。对同一种醇，铂纳米粒子粒径和标准偏差随着所用醇含量的升高而减小；另一方面，在醇水比一定时，铂纳米粒子粒径和标准偏差随着所用醇沸点的升高而减小。
关键词： 铂； 纳米粒子； 聚乙烯吡咯烷酮
中图分类号： O 643.38; TQ 426.81 文献标志码： A
Preparation of Platinum Nanoparticles
HAN Wen-zhong, ZHANG Jin, LIU Man-hong
(College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)
Abstact: The colloidal dispersions of poly(N-vinyl-2-pyrrolidone) (PVP)-stabilized platinum nanoparticles (PVP-Pt) were prepared. The obtained metallic nanoparticles were characterized by TEM. It was observed that the particles of PVP-Pt colloids have average diameters ranging from 2.6 nm to 4.4 nm. The standard deviations of the platinum nanoparticles range from 0.35 nm to 0.93 nm. The nanoparticles with smaller diameter and better size distribution were obtained in alcohol with higher boiling point and higher amount of alcohol in the solvent.
Key words: platinum; nanoparticles; poly(N-vinyl-2-pyrrolidone)
收稿日期：2010-07-14
基金项目：山东省优秀中青年奖励基金项目（2008BS09009）.
作者简介：韩文忠（1980—），男，硕士研究生. *通信联系人.
