在PEG 10000/Nc/HAuCl4体系中,用Vc还原HAuCl4制备金纳米粒子,以所制备的金纳米粒子为晶种,通过控制HAuCl4与H2PtCl6的质量比,制备不同Pt/Au比的双金属纳米粒子,并进一步研究其对H2O2电化学氧化的催化作用.紫外-可见光谱(Uv-vis)、透射电子显微镜(TEM)、选区电子衍射(SAED).X射线粉末衍射((XRD)等实验结果表明:Au-Pt双金属纳米粒子为面心立方结构的合金.用循环伏安法对Au-Pt双金属纳米粒子修饰的玻碳电极的电化学性能进行测试,结果表明:Au-Pt双金属纳米粒子对H202电化学氧化有一定的催化作用.催化效率随Au-Pt双金属粒子中Pt含量的增加而增加.
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