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半导体材料光催化行为的研究是光合作用以及太阳能储存和转换的核心问题.半导体颗粒与溶液界面的电子转移是控制催化行为的重要因素.通过静电吸引作用溶质被吸引到半导体颗粒表面可以提高彼此之间电荷转移的效率.近年来,通过把半导体材料制备成胶体体系可以提高光诱导电荷转移效率.但如何进一步增进电荷转移效率是人们非常感兴趣和努力探索的重要问题.鉴于环糊精能与特定的分子形成包合物,从而可加速其某些反应并有高度的选择性,因此用环糊精对半导体胶体表面进行改性是提高其光诱导电荷转移效率的途径之
The research on the photocatalytic behavior of semiconductor materials is a key issue in photosynthesis and solar energy storage and conversion. Electron transfer at the interface between semiconductor particles and solution is an important factor to control the catalytic behavior. Solute attracted to the surface of semiconductor particles by electrostatic attraction can enhance each other In recent years, the light-induced charge-transfer efficiency can be improved by preparing the semiconductor material into a colloidal system, but how to further improve the charge-transfer efficiency is an important issue that people are very interested and hard to explore. Specific molecules form clathrates that accelerate some of their reactions and are highly selective. Therefore, modifying the surface of semiconductor colloids with cyclodextrins is a way to increase their light-induced charge-transfer efficiency