摘要
采用化学沉积法制备Cu2O粉体,并且制备了TiO2-Cu2O复合粉体。以制备的纳米Cu2O为光催化剂,对亚甲基蓝溶液进行光催化氧化降解。通过紫外-可见分光光度计考察了H2O2的加入量、亚甲基蓝的初始浓度及复合样品对降解性能的影响。结果表明,当H2O2的用量在5 mL/30 mL,亚甲基蓝的初始浓度为10 mg/L时降解效果最好;复合粉体的催化效率远高于Cu2O的光催化效率。
Cu20 powders and TiO2-Cu20 composite powders were prepared by chemical deposi- tion method. With prepared Cu20 nanoparticles as photocatalyst, photocatalytic oxidation degrada- tion of methylene blue solution was explored. The effects of dosage of H202, the initial concentration of methylene blue and composite samples on the degradation performance were investigated with UV-visible spectrophotometer. The results showed that the degradation efficiency was the best when the amount of H202 was 5mL in 30mL methylene blue solution and the initial concentration of methy- lene blue was 10mg / L, and the catalytic efficiency of TiO2-Cu20 composite powders was much high- er than that of Cu20.
出处
《江汉大学学报（自然科学版）》
2013年第5期5-8,共4页
Journal of Jianghan University：Natural Science Edition
关键词
纳米Cu2O
光催化降解
复合粉体
亚甲基蓝
cuprous oxide nanoparticles
photocatalytic degradation
composite powders
methylene blue
