摘要
纳米TiO2在紫外光的照射下可激发产生电子空穴对,从而引发一系列有意义的氧化还原反应.利用该特性,纳米TiO2可用于降解结构稳定的有机和无机化合物、杀灭微生物和肿瘤细胞、制备特殊功能的催化剂以及回收贵重金属等.目前该领域的研究大多停留在实验室水平,机理分析推测多,反应中间体鉴定少,其理论探讨和实际应用还有许多工作要做.
<Abstrcat>The UV light excites electrons from the valence to the conduction band of nanoTiO2,produces the electronhole pairs.Which can lead a series of useful oxidizationreduction reactions.By using these reactions,many stable organic and inorganic compounds can be degraded into simple molecules,killing bacteria and cancer cells,manufacturing metallic catalysts with special functions,and retrieving rare metals.At present,most investigations are laboratory experiments,and most mechanism is reasoned from analogy and examination of middleproducts is insufficient.Therefore,there is a lot of work to do in the studies of theory and application.
出处
《郑州轻工业学院学报（自然科学版）》
CAS
2002年第3期43-46,共4页
Journal of Zhengzhou University of Light Industry:Natural Science
基金
河南省自然科学基金项目(984043400)
河南省教育厅自然科学基金项目(1999430012)
