本实验以细鳞片石墨为原料,采用Hummers法制备氧化石墨,经超声波振荡得到氧化石墨烯,加入水合肼回流制得石墨烯材料.采用溶胶-凝胶法制备锐钛矿型TiO2及石墨烯/TiO2复合材料.在紫外光照射下,分别以石墨烯/TiO2复合材料及锐钛矿型TiO2为催化剂,在甲基橙溶液中进行光催化降解.结果显示,石墨烯/TiO2光催化性能明显高于相同条件下的锐钛矿型TiO2.
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