采用水热法在140℃制备了石墨烯/氧化铈复合粉体及其前驱体.通过XRD、TG、SEM、TEM、UV-vis光谱等分析手段对产物的结构和形貌进行了表征,并以甲基橙溶液为模拟废水测试了所得石墨烯/氧化铈催化剂在可见光照射下的光催化性能.实验结果表明:氧化石墨烯的含量影响了产物的成分,在石墨烯/氧化铈复合粉体中,石墨烯表面修饰的氧化铈的含量较高,颗粒尺寸在15 nm左右,并且分布均匀,且对甲基橙溶液表现出了良好的光催化活性.
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