AgI负载纳米介孔TiO2的制备及其光降解性能  

Synthesis and Study on the Photocatalytic Degradation Properties of AgI Loaded Nano-mesoporous TiO2

作　　者：高瑞 侯万国[1] GAO Rui;HOU Wanguo(College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266042,China)

机构地区：[1]青岛科技大学化学与分子与工程学院,山东青岛266042

出　　处：《青岛科技大学学报（自然科学版）》2020年第2期29-34,共6页Journal of Qingdao University of Science and Technology:Natural Science Edition

基　　金：山东省重点研发计划项目(2018GGX102001).

摘　　要：研究了AgI负载纳米介孔TiO2的制备及其光降解性能.以钛酸丁酯为钛源,P123为模板剂,采用软膜板法制备了AgI负载型纳米介孔TiO2.利用N2吸附-脱附实验、紫外-可见光谱、X-射线衍射、X射线光电子能谱分析等技术对材料进行了结构表征.通过以甲基橙溶液为模拟污染物,用所得样品进行光降解实验.结果表明:TiO2负载了AgI之后光降解性能有明显的提升,达到了材料改性的目的.In this study,the nano-mesoporous TiO 2 loaded with silver iodide(AgI)was prepared through soft template method by using tetrabutyl titanate(TBOT)as the titanium source and P123 as the template.The prepared materials were characterized by the N 2 adsorption-desorption,UV-vis spectroscopy,X-ray diffraction and X-ray photoelectron spectroscopy.The photocatalytic properties of the loaded TiO 2 nanomaterial were studied using methyl orange as degradation compound for the model pollutant.The results showed that the nano mesoporous TiO 2 loaded with AgI exhibit good photocatalytic activity,the sample has achieved the purpose of material modification.

关 键 词：纳米材料 介孔 二氧化钛 掺杂 光降解 

分 类 号：O643[理学—物理化学]