以锌卟啉为敏化剂,采用溶剂热法原位合成了锌卟啉敏化TiO2复合光催化剂.利用XRD、SEM、UV-Vis DRS和TG-DTA对所得锌卟啉-TiO2复合光催化剂进行了表征和分析.分析结果表明,采用原位合成法能使锌卟啉原位负载于TiO2表面,且未改变TiO2的晶型和形貌；锌卟啉的存在使TiO2在可见光区域出现吸收峰,采用原位合成法制备的金属卟啉敏化TiO2光催化剂相对于溶剂回流法制备金属卟啉敏化TiO2光催化剂有更好的热稳定性和更好的催化降解亚甲基蓝性能.
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