现代化工

现代化工 ›› 2019, Vol. 39 ›› Issue (5) : 61-65. DOI: 10.16606/j.cnki.issn0253-4320.2019.05.014

技术进展

连续式超临界水热合成金属纳米微粒的研究进展

张家乐, 朱斌, 张后雷, 李莎

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Research progress in preparation of metal nanoparticles via continuous supercritical hydrothermal synthesis method

ZHANG Jia-le, ZHU Bin, ZHANG Hou-lei, LI Sha

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摘要

介绍了连续式超临界水热合成的基本原理及工艺，着重总结分析了影响纳米微粒性能的关键合成因素及作用规律，包括混合器结构、合成温度、反应停留时间、微粒母体溶液浓度、助剂等，探讨了研究中存在的问题并提出了建议。

Abstract

In this paper,a brief introduction of basic principle,process and equipment for continuous supercritical hydrothermal synthesis (CSHS) is presented.The effects of key operation variables of CSHS process,including the mixer structure,temperature,reaction residence time,precursor concentration and promoters,on the properties of the synthesized particles are overviewed.Discussions on shortages of the existing research together with some suggestions are also provided.