纳米二氧化钛固相载体研究进展  

Research Progress of the Nano Titanium Dioxide Solid Support

作　　者：刘明浩 宋武林[1,2] 卢照 李明辉 LIU Minghao;SONG Wulin;LU Zhao;LI Minghui(College of Materials Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;Analytical and Testing Center,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]华中科技大学材料科学与工程学院,武汉430074 [2]华中科技大学分析测试中心,武汉430074

出　　处：《材料导报》2021年第9期9108-9114,共7页Materials Reports

基　　金：国家自然科学基金(51071073)。

摘　　要：目前,随着工业化社会的快速发展,由有机物引发的环境污染问题日益严重,而常用的有机物处理技术无法满足实际的应用需求,因此,需要开发更加高效、先进的有机物处理技术。纳米二氧化钛有良好的光催化降解有机物的能力,在光照作用下,可将有机物完全降解为对环境无污染的CO_(2)和H_(2)O,有着广阔的应用前景。在实际应用中,纳米二氧化钛存在比表面积大、易团聚的问题,会使其光催化活性降低。而且纳米粉体形式的二氧化钛存储、运输和使用困难,回收利用成本高,二氧化钛的损耗量大。但将二氧化钛负载于固相载体上,可以很好地解决这些问题,有利于促进纳米二氧化钛光催化剂商业化的推广和应用。本文综述了纳米二氧化钛固相载体的研究进展,系统介绍了负载纳米二氧化钛常用的固相载体和负载方法。Today,with the rapid development of industrialized society,the environmental pollution caused by organics is becoming increasingly serious.The traditional organic treatment technologies cannot meet actual needs,thus it is necessary to develop some more efficient,and advanced technologies.Nano-titanium dioxide can degrade organics into CO_(2) and H_(2)O by means of light,has a promising prospect.nano-titanium dioxide usually has a large specific surface area and is easy to agglomerate,finally resulting a decrease in its activity.And the nano powder titanium dioxideis also difficult to storage,transport and use,which will increase the recycling cost and mass loss.However,nano-titaniun dioxide fixed in solid support will easily resolve that problems,thus contributing to the promotion and application in business.This article summarizes some research progresses on solid support of nano-titanium dioxide,and systematically introduces the common solid supports and methods to load titanium dio-xide.

关 键 词：纳米二氧化钛 固相载体 负载方法 

分 类 号：O643.36[理学—物理化学]