用中频交流反应磁控溅射技术制备了具有良好光催化性能的TiO2薄膜,考察了紫外光源、反应器和溶液浓度对亚甲基蓝溶液光催化降解特性的影响.结果表明,紫外光源对TiO2薄膜光催化降解性能有较大的影响; 在计算光催化降解速率时应充分考虑光解和光氧化的影响.低压汞灯TUV为光催化降解的较好选择.动态反应系统可以有效避免光解,显著提高光催化反应速度.TiO2薄膜具有很好的光催化性能,且性能稳定.
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