以氧化石墨和商业用二氧化钛为前驱物,在150℃水热条件下制备了二氧化钛-石墨烯复合物,利用XRD、Raman、SEM、TEM和低温N2吸附-脱附测试对复合物的结构和形貌进行了表征.以亚甲基蓝溶液模拟染料废水,研究了二氧化钛-石墨烯复合物在紫外光及可见光下的光催化效果,结果表明,该复合物的光催化性能较之商业用二氧化钛有较大提高.对光催化机理的研究表明,二氧化钛-石墨烯复合物光催化性能提高的原因是其对于染料分子的吸附能力提高、吸光能力增强,并且复合物中电荷分离效率也有很大提高.
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