将萘-1-亚甲基膦酸通过π-π堆积作用修饰在多壁碳纳米管(MWCNT)上,然后制备了MWCNT载Pd(Pd/MWCNT)催化剂.利用Pd和HAuCl4间的置换反应制得MWCNT载Pd-Au (Pd-Au/MWCNT)催化剂.透射电子显微镜(TEM)、X射线光电子能谱(xPS)和X射线衍射光谱(XRD)测试结果显示,非合金化的Pd-Au纳米粒子均匀分布在MWCNT表面.循环伏安和计时电流测试显示,非合金化Pd-Au/MWCNT催化剂对甲酸氧化的电催化活性以及稳定性优于Pd/MWCNT催化剂.
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