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％.
参考文献
| [1] | 张书翠,姜东,唐涛,李君华,徐耀.高分散TiO2/SBA-15的制备及光催化性能[J].物理化学学报,2010(05):1330-1336. |
| [2] | 刘克松,张密林,王江,付宏刚.非硅基介孔材料和介孔复合体的合成与特性[J].应用化学,2006(01):1-6. |
| [3] | 薛韩玲,葛岭梅,李建伟.MCM-41介孔分子筛和纳米TiO2/MCM-41的合成与结构表征[J].纳米科技,2007(05):58-61. |
| [4] | LI Hai-bing;LIU Guo-cong;CHEN Shu-guang;LIU Qi-cheng .Novel Fe doped mesoporous TiO2 microsphere:Ultrasonichydrothermal synthesis,characterization,and photocatalytic properties[J].Physica E:Low-dimensional Systems and Nanostructures,2010,42:1844-1849. |
| [5] | Al-doped TiO_2 mesoporous materials: synthesis and photodegradation properties[J].Journal of porous materials,2010(2):197. |
| [6] | 田西林,陶杰,陶海军,包祖国,汤育欣.钛基材上制备TiO2纳米管阵列电极的电化学性能[J].中国有色金属学报,2009(05):904-909. |
| [7] | Akira Taguchi;Ferdi Schuth .Ordered mesoporous materials in catalysis[J].Microporous and Mesoporous Materials,2005(1):1-45. |
| [8] | Zhang Baolong;Chen Baishun;Shi Keyu;He Shangjin;Liu Xiaodong;Du Zongjie;Yang Kelian .Preparation and characterization of nanocrystal grain TiO_2 porous microspheres[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2003(4):253-258. |
| [9] | Taicheng An;Jikai Liu;Guiying Li .Structural and photocatalytic degradation characteristics of hydrothermally treated mesoporous TiO2[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2008(2):237-243. |
| [10] | Mohammadi MR;Fray DJ;Cordero-Cabrera MC .Sensor performance of nanostructured TiO2 thin films derived from particulate sol-gel route and polymeric fugitive agents[J].Sensors and Actuators, B. Chemical,2007(1):74-83. |
| [11] | Mohammadi MR;Fray DJ;Cordero-Cabrera MC .Sensor performance of nanostructured TiO2 thin films derived from particulate sol-gel route and polymeric fugitive agents[J].Sensors and Actuators, B. Chemical,2007(1):74-83. |
| [12] | Takuya Dentani;Ken-ichi Nagasaka;Kazumasa Funabiki .Flexible zinc oxide solar cells sensitized by styryl dyes[J].Dyes and Pigments,2008(1):59-69. |
| [13] | 施晶莹,冷文华,程小芳,张昭,张鉴清,曹楚南.钴氮共掺杂TiO2薄膜的制备及其光电化学性质[J].中国有色金属学报,2007(09):1536-1542. |
| [14] | Tan RQ.;He Y.;Zhu YF.;Xu BQ.;Cao LL. .Hydrothermal preparation of mesoporous TiO2 powder from Ti(SO4)(2) with poly(ethylene glycol) as template[J].Journal of Materials Science,2003(19):3973-3978. |
| [15] | Cheng Wang;Zhao-Xiang Deng;Yadong Li .The Synthesis of Nanocrystalline Anatase and Rutile Titania in Mixed Organic Media[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2001(20):5210-5214. |
| [16] | Soler-Illia GJDA.;Louis A.;Sanchez C. .Synthesis and characterization of mesostructured titania-based materials through evaporation-induced self-assembly[J].Chemistry of Materials,2002(2):750-759. |
| [17] | Jimmy C.Yu;Lizhi Zhang;Jiaguo Yu .Rapid synthesis of mesoporous TiO_2 with high photocatalytic activity by ultrasound-induced agglomeration[J].New Journal of Chemistry,2002(4):416-420. |
| [18] | Yoo, KS;Lee, TG;Kim, J .Preparation and characterization of mesoporous TiO2 particles by modified sol-gel method using ionic liquids[J].Microporous and Mesoporous Materials,2005(1/3):211-217. |
| [19] | SU C;TSENG C M;CHEN L F;YOU B H HSU B C CHEN S S .Sol-hydrothermal preparation and photocatalysls of titanium dioxide[J].Thin Solid Films,2006,498:259-265. |
| [20] | Jianxia Jiao;QunXu;Limin Li .Porous TiO2/SiO2 composite prepared using PEG as template direction reagent with assistance of supercritical CO2[J].Journal of Colloid and Interface Science,2007(2):596-603. |
| [21] | LI He-xing;BIAN Zhen-feng;ZHU Jian;ZHANG Die-qing LI Gui-sheng HUO Yu-ning LI Hui LU Yun-feng .Mesoporous titania spheres with tunable chamber structure and enhanced photocatalytic activity[J].Journal of the American Chemical Society,2007,129:8406-8407. |
| [22] | LI Jin-long;MA Xin-xin;SUN Ming-ren;LI Xiao-min SONG Zhen-lun .Structure and visible photocatalytic activity of nitrogen-doped meso-porous TiO2 layer on Ti6Al4V substrate by plasma-based ion implantation[J].Transactions of Nonferrous Metals Society of China,2009,19(z2):s665-s668. |
| [23] | Sertchook H;Elimelech H;Makarov C;Khalfin R;Cohen Y;Shuster M;Babonneau F;Avnir D .Composite particles of polyethylene @ silica[J].Journal of the American Chemical Society,2007(26):98-108. |
| [24] | Frindell KL.;Bartl MH.;Robinson MR.;Bazan GC.;Popitsch A.;Stucky GD. .Visible and near-IR luminescence via energy transfer in rare earth doped mesoporous titania thin films with nanocrystalline walls[J].International Journal of Quantum Chemistry,2003(1):81-88. |
| [25] | Elias Stathatos;Tatyana Petrova;Panagiotis Lianos .Study of the Efficiency of Visible-Light Photocatalytic Degradation of Basic Blue Adsorbed on Pure and Doped Mesoporous Titania Films[J].Langmuir: The ACS Journal of Surfaces and Colloids,2001(16):5025-5030. |
| [26] | Yin JS.;Wang ZL. .Template-assisted self-assembly and cobalt doping of ordered mesoporous titania nanostructures[J].Advanced Materials,1999(6):469-472. |
| [27] | Wang XC;Yu JC;Yip HY;Wu L;Wong PK;Lai SY .A mesoporous Pt/TiO2 nanoarchitecture with catalytic and photocatalytic functions[J].Chemistry: A European journal,2005(10):2997-3004. |
| [28] | Jimmy C. Yu;Xinchen Wang;Ling Wu;Wingkei Ho;Lizhi Zhang;Gentao Zhou .Sono- and Photochemical Routes for the Formation of Highly Dispersed Gold Nanoclusters in Mesoporous Titania Films[J].Advanced functional materials,2004(12):1178-1183. |
| [29] | LI Hai-bin;LIU Guo-cong;DUAN Xue-chen;JIA Xiu-bo.Solvothermal synthesis and characterization of Fe,(Ⅲ)-doped mesoporouse TiO2[J].Journal of Central South University of Technology,2007(z2):139-144. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%