聚乙烯吡咯烷酮（PVP）是一种重要的工业化大分子表面活性剂,由于其大分子结构的特殊性及生物适应性,使得PVP在制备金属纳米粒子过程中得到了广泛应用。近年来,有大量关于以PVP为大分子表面修饰剂制备不同形貌金属纳米粒子的文献报道。文中综述了以PVP为表面修饰剂,分别以乙二醇、乙醇、N,N-二甲基甲酰胺及水为溶剂,通过溶剂和PVP自身的还原作用,在不同反应条件下制备不同形貌金、银纳米粒子的研究现状,提出了不同溶剂体系中不同形貌金属纳米粒子的形成机理研究是未来该领域要解决的主要问题。
Poly（vinyl pyrrolidone） is an important kind of industrial macromolecular surfactant, which has been used widely in preparation of metal nanoparticles owing to its special macromolecular structure and biological adaptability. In recent years, there are a lot of reports about the preparation of different morphological metallic nanoparticles by using poly（vinyl pyrrolidone） as surface capping agents. The research progress in Preparation of different morphological silver and gold nanoparticles capped by poly （vinyl pyrrolidone） through the reduction of solvent and poly（vinyl pyrrolidone） by using ethylene glycol, ethanol, （N, N-dimethylformamide） and water was reviewed. The formation mechanism for different morphological metallic nanoparticles in different solvent systems is suggested to be the main research topic in the future.
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