超临界流体制备金属基纳米微粒的现状与展望  

Present and Prospect of Supercritical Fluid for Preparing Metal Matrix Nanoparticles

作　　者：教传琦[1,2] 李宏煦[1,2] 刘彬彬[1,2] 

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083 [2]教育部生态与循环冶金重点实验室,北京100083

出　　处：《材料导报》2011年第13期119-123,共5页Materials Reports

基　　金：国家自然科学基金(20876014)

摘　　要：超临界流体技术是一门发展迅速、应用广泛的新技术。综述了超临界流体制备金属基纳米微粒的方法:超临界快速膨胀、超临界反溶剂、超临界水热合成、超临界干燥和超临界CO2微乳液,介绍了上述方法的原理、影响因素、特点、可行性及在制备金属基纳米微粒中的应用现状,分析了当前存在的问题,并展望了其今后的发展。Supercritical fluid technology is a new kind of technology, it is developing rapidly and has an extensive application. The methods of using supercritical fluid to prepare metal matrix nanoparticles are reviewed, including rapid expansion of supercritical solutions, supercritical antisolvent processes, supercritical fluid hydrothermal synthesis, supercritical fluid drying and supercritical carbon dioxide microemulsion. The principles, influencing factors, features, feasibilities and application situations of above methods on preparing metal matrix nanoparticles are described, the present problems are analyzed, and the prospects are also presented.

关 键 词：超临界流体 金属基 纳米微粒 制备 

分 类 号：TB383[一般工业技术—材料科学与工程]