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卟啉铁敏化二氧化钛可见光降解甲基橙 被引量:2

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摘要 以卟啉铁为敏化剂,P25为二氧化钛载体,采用化学吸附合成了卟啉铁敏化二氧化钛复合催化剂:Fe Pp/Ti O2。利用SEM、XRD、DRS、对复合催化剂Fe Pp/Ti O2进行了表征和分析,分析结果表明,Fe Pp吸附于二氧化钛表面,未改变二氧化钛的形貌和晶型,卟啉铁使二氧化钛在可见光区(λ≥420 nm)有显著的吸收。可见光降解甲基橙结果表明,与未敏化的Ti O2相比,Fe Pp/Ti O2在可见光区(λ≥420 nm)能有效提高甲基橙溶液的降解率,3 h降解达到95.8%,并且催化性能稳定,可重复利用。
出处 《能源环境保护》 2014年第5期57-58,4,共3页 Energy Environmental Protection
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