OALib Journal期刊
N2/Ar等离子体改性对CuO/TiO2可见光光催化活性的影响
DOI: 10.1016/S1872-2067(14)60143-1
Keywords: 二氧化钛 ,等离子体 ,改性 ,氮掺杂 ,汞
Abstract:
？研究了N2/Ar介质阻挡放电处理对负载CuO的TiO2可见光光催化活性的影响.采用X射线衍射、紫外-可见分光吸收光谱、透射电镜、X射线光电子能谱和电子自旋共振进行了表征，详细考察了等离子改性参数包括气氛组成、处理时间和处理功率对改性效果的影响，并通过降解甲基橙溶液考察了可见光光催化活性.结果表明，最佳等离子处理条件为N2与Ar比例为8：2，处理时间为20min，放电电流为1.0A.最后，使用改性后的光催化剂对模拟含汞废水进行了处理.
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