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| Al掺杂TiO2介孔材料的合成、表征和光催化性能 | |
| 引用本文： | 刘国聪,董辉,刘少友. Al掺杂TiO2介孔材料的合成、表征和光催化性能[J]. 中国有色金属学报, 2011, 21(12) |
| 作者姓名： | 刘国聪 董辉 刘少友 |
| 作者单位： | 1. 玉林师范学院新材料研发与化学生物传感技术所,玉林537000;中南大学化学化工学院,长沙410083 2. 玉林师范学院新材料研发与化学生物传感技术所,玉林,537000 3. 贵州凯里学院应用化学研究所,凯里,556000 |
| 基金项目： | 国家自然科学基金资助项目(21061006,51162026); 中南大学博士后基金资助项目(133274341015501); 湖南省自然科学基金资助项目(08JJ3104); 广西自然科学基金资助项目(2010GXNSFB013018,2011GXNSFA018049); 中国博士后基金资助项目(20100480949),中国博士后特别资助项目(201104509) |
| 摘 要： | 以钛酸四丁酯为钛源、十八水硫酸铝为铝源、三乙醇胺为模板剂,采用研磨-溶胶技术合成了Al掺杂的TiO2介孔材料,并利用XRD、EDS、TEM、BET、UV-vis和IR等手段表征了材料的结构、形貌、比表面积、孔径分布及光学性能.结果表明:Al掺杂能够减小TiO2光催化剂的粒径,提高介孔TiO2的热稳定性;Al掺杂TiO2介孔材料的平均孔径为4.5 nm,比表面积达到110.2 m2/g;相比商用P25和介孔TiO2,Al掺杂介孔TiO2的吸收边发生红移,对初始浓度为20 mg/L的甲基橙进行催化降解1h后,其降解率达到92.5％. |
| 关 键 词： | TiO2 Al掺杂 介孔材料 光催化剂 |
Synthesis,charaterization and photocatalytic activities of Al-doped TiO_2 mesoporous materials |
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| LIU Guo-cong , DONG Hui , LIU Shao-you. Synthesis,charaterization and photocatalytic activities of Al-doped TiO_2 mesoporous materials[J]. The Chinese Journal of Nonferrous Metals, 2011, 21(12) | |
| Authors: | LIU Guo-cong DONG Hui LIU Shao-you |
| Affiliation: | LIU Guo-cong1,2,DONG Hui1,LIU Shao-you3 (1.Institute of Advanced Materials and Chembiosensing Technology,Yulin Normal University,Yulin 537000,China,2.School of Chemistry and Chemical Engineering,Central South University,Changsha 410083,3.Institute of Applied Chemistry,Kaili University,Kaili 556000,China) |
| Abstract: | Using tetrabutyl orthotitanate(TBOT) as Ti source,Al2(SO4)2-18H2O as Al source and triethanolamine as a template,Al-doped TiO2 mesoporous materials were synthesized via grinding-sol-gel method.The structure,morphology,crystalline size,specific surface area,pore size and photocatalytic activity of the as-prepared samples were characterized by X-ray diffractometry,high-resolution transmission electron microscopy(HRTEM),N2 adsorption desorption and UV-vis spectrometer(UV-vis) techniques.The results show that A... |
| Keywords: | TiO2 Al-doping mesoporous material photocatalyst |
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