采用微波加热Polyol法以PVP作为稳定剂,首先快速合成了晶粒尺寸为2~6nm具有不同长宽比的各向异性的单分散金属钌胶体颗粒.以单分散胶体颗粒为晶种,获得不同团聚程度的纳米金属钌颗粒.高分辨电子显微镜(HRTEM)研究表明,树枝状纳米金属钌是由随机取向的金属钌单晶颗粒组成的.
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