TiO2/石墨烯复合材料的合成及其光催化性能

doi:10.3969/j.issn.1000-1565.2013.06.010

摘要/Abstract

摘要： 以氧化石墨(GO)和钛酸丁酯为原料,利用水热法制备了TiO2/石墨烯复合材料,研究了氧化石墨用量对TiO2/石墨烯复合材料光催化性能的影响.采用XRD、SEM和氮气吸附-脱附实验(BET)对复合光催化材料的晶相结构、形貌和比表面积进行了表征.复合材料中的TiO2为锐钛矿晶型,其平均粒径约为12 nm,复合材料的比表面积为57.8 m2/g.光催化实验表明,以氧化石墨用量为2 mg所制得的TiO2/石墨烯催化效果最好,在紫外光(365 nm)照射下降解有机染料亚甲基蓝(MB)反应中,其催化活性高于相同条件下制备的TiO2的活性.

关键词: 水热法, 石墨烯, TiO2/石墨烯, 紫外光催化

Key words: hydrothermol method, graphene, TiO2/Graphene, UV-photocatalytic activities

中图分类号:

O643.3

兰瑞家,李记太,周秋香,仇满德. TiO2/石墨烯复合材料的合成及其光催化性能[J]. 河北大学学报(自然科学版), 2013, 33(6): 608-613.

LAN Ruijia,LI Jitai,ZHOU Qiuxiang,QIU Mande. Preparation and photocatalytic activity of TiO2/graphene composites[J]. Journal of Hebei University (Natural Science Edition), 2013, 33(6): 608-613.

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