g-C_3N_4/TiO_2光催化复合材料的制备研究

Study on the Preparation of g-C_3N_4/TiO_2 Photocatalytic Composite Materials

作为典型光催化剂,g-C3N4吸收可见光但量子效率低,Ti O2则只能响应紫外光,两者复合可实现性能的优化。因此简单阐述了g-C3N4/Ti O2复合材料的多种制备方法,包括高温热解+溶剂热两步法、热氧化刻蚀+原位生长两步法、溶胶凝胶法、电化学沉积法、沉淀法,为相关研究提供参考。

As typical photocatalysts, g-C3 N4 absorbs visible light, but its quantum efficiency is low. On the other hand,Ti O2 can only respond to ultraviolet light. But the combianation of the two above can optimize the property. Preparation technology is the key point in composite process, so various synthetic methods of g-C3 N4/Ti O2 are summerized,including two-step method of high temperature pyrolysis ＋ solvothermal method, two-step method of thermal oxidation etching ＋ in-situ growth, sol-gel method, electrochemical deposition method, precipitation method, providing reference for relevant research.