JI Yuchun， WANG Jilin， LUO Zhihong

(School of Materials Science and Engineering； Key Laboratory of New Processing Technology for Nonferrous Metals and Materials of Ministry of Education； Collaborative Innovation Center for Exploration of Hidden Nonferrous Metal Deposits and Development of New Materials in Guangxi, Guilin University of Technology, Guilin 541004, China)

Abstract: The platinum nanoparticles with diameter less than 10 nm loaded on carbon nanotubes were used as the research object. The micro morphology was characterized by thermal field emission scanning electron microscope The effects of different detectors and accelerating voltage on the imaging effect of the samples were discussed. The results show that for the same detector, the surface details of samples can be obtained clearly under the condition of low accelerating voltage. When the accelerating voltage is 1 kV, the platinum nanoparticles loaded on the surface of carbon nanotubes can not be observed by using SE2 and InLens detectors, while the distribution of platinum nanoparticles with the diameter of 3～10 nm can be clearly observed by using ESB detector.

Keywords: carbon nanotube； platinum nanoparticles； thermal field emission scanning electron microscope； accelerating voltage； detector

中图分类号：TQ172.1

文献标志码：A

文章编号：1008-5548(2021)04-0063-07

DOI:10.13732/j.issn.1008-5548.2021.04.008

收稿日期： 2020-12-11， 修回日期：2021-03-12，在线出版时间：2021-06-03 11:24。

基金项目：广西高校中青年教师基础能力提升计划项目，编号：2018KY0256；教育部重点实验室开放基金项目，编号：19KF-5。

第一作者简介：吉钰纯(1985—)，女，博士研究生，研究方向为纳米材料。E-mail：chuner_0712@gult.edu.cn。

通信作者简介：王吉林(1985—)，男，博士，副研究员，硕士生导师，研究方向为光电半导体材料与器件。E-mail：jilinwang@glut.edu.cn。