The means of XRD, XPS, SEM and BET were used to characterize these catalysts; the factors affecting the activity of catalysts and the reactive mechanism were discussed.

• 另外运用XRD、XPS、SEM和BET等方法对所制备的催化剂进行了表征,探讨了各种制备条件对催化剂活性的影响及CO催化氧化反应可能的反应机理。