采用扫描电位沉积法在-0.8～-1.1 V电势区间内循环扫描,从有机体系中制备得到Bi-Pt合金膜,通过扫描电镜观察,能量色散谱(EDS)和X射线衍射(XRD)分析研究了该膜层的形貌、元素组成及电催化性能.结果表明,电沉积得到的Bi-Pt合金膜均匀而致密,粒径约为20 nm,合金膜由1.06%Pt和98.94%Bi(质量分数)组成;Bi-Pt合金膜对诸如甲醇和NO-2具有良好的电催化性能,这种Bi-Pt电极可能在环境探测上得到应用.
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