中文摘要：

采用化学沉积法制备了Cu2 O/TiO2复合光催化剂。通过扫描电子显微镜（SEM）、能谱分析（EDS）、X射线衍射（XRD）、傅里叶变换红外光谱（FT-IR）、紫外-可见漫反射光谱（DRS）表征复合催化剂的微观形貌、元素组成、结构和光学特性。以 H2 PtCl6为无机前驱体对复合材料进行Pt负载，研究了不同 Cu2 O 含量对制氢活性的影响及不同光源下的制氢活性。结果表明，该复合催化剂表现出较好的光催化制氢活性，当 Cu2 O 的含量为1%（质量分数）时，氢气的产生量最高。

英文摘要：

Cu2 O/TiO2 composite photocatalysts were prepared by chemical precipitation method.The micro-morphology,element composition,structure and optical properties of the composite catalysts were characterized by scanning electron microscopy （SEM）,energy disperse spectroscopy （EDS）,X-ray diffraction （XRD）,Fourier trans-form infrared spectroscopy （FT-IR）,UV-Vis diffuse reflectance spectroscopy （DRS）.The inorganic precursor of H2 PtCl6 was used to load Pt.The effects of the content of Cu2 O on hydrogen evolution activity under different irradia-tion were investigated.Results indicated that the composite photocatalysts have higher photocatalytic activity for hy-drogen production.When the content of Cu2 O was 1% （mass fraction）,the amount of hydrogen was the highest.