以氧化石墨和氯铂酸为前驱体,在油胺中简便地合成了还原氧化石墨烯-铂(Reduced graphene oxide-platinum,rGO-Pt)纳米复合物,并对其进行了表征.透射电子显微镜和光谱测试结果表明,铂纳米颗粒均匀分布在石墨烯表面,尺寸约为30 nm,铂纳米粒子为多孔隙结构,结晶性能良好,氧化石墨在高温下转变为还原氧化石墨烯.用此方法也可以制备还原氧化石墨烯-金(rGO-Au)或还原氧化石墨烯-银(rGO-Ag)的纳米复合物,金、银纳米颗粒呈球状,对可见光具有明显的表面等离子吸收.同时,油胺作为溶剂、贵金属盐的还原剂和表面活性剂,使制备过程简单、快捷.%Reduced graphene oxide-platinum (rGO-Pt) nanocomposites were produced by high temperature synthetic process from the graphene oxide and H2PtCl6.Transmission electron microscopy and micro-spectrum results showd that Pt nanoparticles with a average diameter of 30 nm were uniformly distributed on the rGO surface.The Pt nanoparticles had porous structure with good crystallinity.GO was transferred to rGO at high temperature.With the similar method,rGO-Au or rGO-Ag nanocomposites could also be prepared,and the resulted composites exhibit typical surface plasmon resonance adsorption against visible light.In this method,oleylamine acted as solvent,reduction agent for metal salt and surfactant simultaneously.The synthetic process is simple,rapid,and has wide practical application prospect.
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