以工业硫酸钛液为前驱体,采用水热法制备多孔二氧化钛,考察了煅烧时间对多孔二氧化钛结构和性能的影响.采用XRD、SEM、XPS、FT-IR和BET对样品进行表征,并以亚甲基蓝光催化降解体系评价其光催化活性.随着煅烧时间的延长多孔二氧化钛的光催化活性先增加后降低,其中以500℃煅烧lh所得样品活性最佳,1h对亚甲基蓝的降解率为88％,其比表面积61.49 m2/g,晶粒尺寸16.10 nm.
参考文献
| [1] | Kasuga T.;Hoson A.;Sekino T.;Niihara K.;Hiramatsu M. .Formation of titanium oxide nanotube[J].Langmuir: The ACS Journal of Surfaces and Colloids,1998(12):3160-3163. |
| [2] | Yoshimura M;Byrappa K .Hydrothermal processing of materials: past, present and future[J].Journal of Materials Science,2008(7):2085-2103. |
| [3] | 任成军,钟本和,周大利,刘恒,李大成,龚家竹.水热法制备高活性TiO2光催化剂的研究进展[J].稀有金属,2004(05):903-906. |
| [4] | Ho WK;Yu JC;Lee SC .Low-temperature hydrothermal synthesis of S-doped TiO2 with visible light photocatalytic activity[J].International Journal of Quantum Chemistry,2006(4):1171-1176. |
| [5] | 于爱敏,武光军,严晶晶,郑春明,章福祥,杨雅莉,关乃佳.水热法合成可见光响应的B掺杂TiO2及其光催化活性[J].催化学报,2009(02):137-141. |
| [6] | 苏理成,储成林,董寅生,郭超,盛晓波,林萍华,朱剑豪.纳米二氧化钛粉的水热合成与光催化性能研究[J].应用化工,2009(06):815-818,822. |
| [7] | Hsiao Po-Tsung;Lu Mingde;Tung Yung-Liang .Irfluenee of hydrothermal pressure during crustallization on the structure and electron-conveying ability ofTiO2 colloids for dye-sensitized solar cells[J].Journal of Physical Chemistry C,2010,114(37):15625-15632. |
| [8] | Hua Tian;Junfeng Ma;Kang Li .Hydrothermal synthesis of S-doped TiO_2 nanoparticles and their photocatalytic ability for degradation of methyl orange[J].CERAMICS INTERNATIONAL,2009(3):1289-1292. |
| [9] | 高濂;郑珊;张青红.纳米氧化钛光催化材料及应用[M].北京:化学工业出版社,2002:106. |
| [10] | 田从学 .从工业TiOSO<,4>液合成介孔二氧化钛分子筛的工艺及机理研究[D].四川大学,2007. |
| [11] | 崔波,陈晓珍,祁亚玲,金青,葛春涛.钛超强酸催化剂的特征及对酯化反应的催化作用[J].高校化学工程学报,2004(06):707-712. |
| [12] | 沈俊,罗妮,张明俊,田从学,张昭.介孔TiO2-SO2-4的合成及表征[J].催化学报,2007(03):264-268. |
| [13] | 田从学,张昭,沈俊,罗妮.外场作用下由工业TiOSO4液合成介孔二氧化钛[J].稀有金属材料与工程,2007(z3):631-636. |
| [14] | Yanmin Liu;Jingze Liu;Yulong Lin .Simple fabrication and photocatalytic activity of S-doped TiO_2 under low power LED visible light irradiation[J].CERAMICS INTERNATIONAL,2009(8):3061-3065. |
| [15] | Yang Ying;Tian Congxue .Synergistic effects of sulfation and Fe-doping on the photocatalysia of titania[J].Research on Chemical Intermediates,2010,36(08):889-895. |
| [16] | Yu JC.;Yu JU.;Ho WK.;Jiang ZT.;Zhang LH. .Effects of F- doping on the photocatalytic activity and microstructures of nanocrystalline TiO2 powders[J].Chemistry of Materials,2002(9):3808-3816. |
| [17] | Jiaguo Yu;Quanjun Xiang;Minghua Zhou .Preparation, characterization and visible-light-driven photocatalytic activity of Fe-doped titania nanorods and first-principles study for electronic structures[J].Applied Catalysis. B, Environmental,2009(3/4):595-602. |
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