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相转移法是可控合成纳米金属粒子的一种简便、有效而重要的方法。通过相转移试剂的作用,水相中制备得到的大量金属纳米粒子在稳定剂的包裹下能够几乎完全转移到有机相当中。所得到的金属纳米粒子尺度均匀,形貌独特,结构稳定。本文综述了相转移方法制备金属纳米粒子的发展、动向以及相转移剂和稳定剂的应用情况。
Phase transfer method is a simple, effective and important method for controlled synthesis of nano-metal particles. Through the action of phase transfer reagent, a large amount of metal nanoparticles prepared in aqueous phase can be almost completely transferred into organic phase under the stability of the stabilizer. The obtained metal nanoparticles have uniform scale, unique morphology and stable structure. This review summarizes the development of phase transfer method for the preparation of metal nanoparticles and trends as well as the application of phase transfer agents and stabilizers.