采用电沉积制备中间层,热分解制备表层的方法制备了Ti/SnO2-Sb2O3/SnO2-Sb2O3-CeO2电极.通过SEM,EDX,XRD,降解苯酚测试和析氧电位测定,研究了Ce掺杂对电极的表而形貌、元素组成、结构和催化性能的影响.结果表明,适量的Ce掺杂能提高Ti/Sn-Sb电极的析氧电位,促进对苯酚的催化降解,Sn:Sb:Ce比例为100:10:3降解率达到99.7%,但对COD的去除没有明显的促进作用.同时发现,适量Ce掺杂能细化电极涂层晶粒,增加电极表面积,过量掺杂使SnO2晶格破坏,品粒变大,性能有所下降.
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