用柠檬酸络合法制备了LaMnO3复合氧化物,用XRD,IR,UV - Vis等对其进行表征测试,并研究了煅烧温度,A位掺杂Pb2+和催化剂投加量对其光催化降解活性艳红X -3B的影响.结果表明,制得的催化剂均为钙钛矿型结构,700℃煅烧的催化剂有较好的光催化活性,pb2掺杂能显著提高LaMnO3的光催化活性.
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