采用溶胶-凝胶与静电纺丝技术相结合的方法,将聚乙烯吡咯烷酮(PVP)和钛酸四正丁酯混合制得前驱体溶液,纺丝得PVP/TiO,复合纳米纤维,然后经500℃高温煅烧制备了TiO2纳米纤维光催化剂,通过其对阳离子艳红5GN、弱酸性黄GN、雷马素蓝RR等染料的降解研究了TiO2纳米纤维的光催化性能.利用扫描电子显微镜(SEM)观察了PVP/TiO2和TiO2纳米纤维的形貌结构；傅里叶变换红外光谱(FT IR)证实了TiO2纳米纤维的形成；通过X射线衍射仪(XRD)对TiO2纳米纤维的晶型及晶粒大小进行了分析.结果表明制备出的TiO2纳米纤维形貌稳定,具有锐钛矿型TiO2结晶形态并对染料具有很好的光催化降解效果.
参考文献
| [1] | 徐悦华,古国榜,罗志刚,黄鹤,郭秀兰.高活性纳米二氧化钛的制备、表征及光催化性能[J].功能材料,2004(z1):2764-2767. |
| [2] | Liang C H;Li F B;Liu C S et al.The enhancement of adsorption and photocatalytic activity of rear earth ions doped TiO2 for the degradation of orange I[J].Dyes and Pigments,2008,76:477-484. |
| [3] | C. Tekmen;A. Suslu;U. Cocen .Titania nanofibers prepared by electrospinning[J].Materials Letters,2008(29):4470-4472. |
| [4] | Li XJ;Qu YD;Sun GL;Jiang DA;Xin OY .Study on the lattice distortion of the As-prepared nanosized TiO2 particles via detonation method[J].The journal of physics and chemistry of solids,2007(12):2405-2410. |
| [5] | Bitao Su;Zhanying Ma;Shixiong Min;Shixiong She;Zhiyuan Wang .Preparation of TiO_2/PS complex nanoparticles[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1/2):44-47. |
| [6] | 张天永,王昭,范巧芳,杨秋生,卢洲,李晓旭.有机颜料与表面活性剂DBS混合物的光催化降解[J].影像科学与光化学,2009(04):248-255. |
| [7] | 陈建秋,王志良,王铎,高从堦.纳米TiO2光催化降解乐果溶液的影响因素研究[J].中国给水排水,2007(19):98-102. |
| [8] | 阎建辉,朱裔荣,李嗣明,唐有根.纳米Ag/TiO2对溴虫腈的光催化降解[J].中南大学学报（自然科学版）,2007(06):1140-1145. |
| [9] | 李书珍,王磊,李林.光催化降解炼油厂含油污水的研究[J].炼油技术与工程,2005(12):48-50. |
| [10] | Draper R B;Fox M A .Titanium dioxide photooxidation of thiocyanate (SCN) 2-studied by diffuse reflectance flash photolysis[J].Journal of Physical Chemistry,1990,94:4628-4634. |
| [11] | Marta I. Litter .Heterogeneous photocatalysis Transition metal ions in photocatalytic systems[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,1999(2/3):89-114. |
| [12] | Sunade K;Kikuechi Y;Hashimoto K et al.Bactericidal and detoxification effects of TiO2 thin film photocatalysis[J].Environmental Science and Technology,1998,32:726-728. |
| [13] | 胡蓉蓉,钟顺和.负载型复合半导体MoO3-TiO2/SiO2的结构与吸光性能[J].化学物理学报,2005(03):389-394. |
| [14] | 包南,张锋,马志会,孟凡琳,孙剑.TiO2纤维制备与应用研究进展[J].化工进展,2007(03):345-349. |
| [15] | Ishikawa T;Yamaoka H;Harada Y et al.A general process for in situ formation of functional surface layers on ceramics[J].Nature,2002,416:64-67. |
| [16] | Grieken R;Aguado J;López-Mu(n)oz M J et al.Synthesis of size-controlled silica-supported TiO2 photocatalysis[J].Journal of Photochemistry and Photobiology A:Chemistry,2002,148:315-322. |
| [17] | Li D;Xia Y N .Fabrication of titania nanofibers by electrospinning[J].Nano Letters,2003,3(04):555-560. |
| [18] | Chandrasekar, R;Zhang, LF;Howe, JY;Hedin, NE;Zhang, Y;Fong, H .Fabrication and characterization of electrospun titania nanofibers[J].Journal of Materials Science,2009(5):1198-1205. |
| [19] | Sung-Hwan Lee;Cagri Tekmen;Wolfgang M. Sigmund .Three-point bending of electrospun TiO_2 nanofibers[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):77-81. |
| [20] | Nakane K;Yasuda K;Ogihara T;Ogata N;Yamaguchi S .Formation of poly(vinyl alcohol)-titanium lactate hybrid nanofibers and properties of TiO2 nanofibers obtained by calcination of the hybrids[J].Journal of Applied Polymer Science,2007(2):1232-1235. |
| [21] | Kaniwal M A;Barakat N A M;Sheikh F A et al.Photoeatalytic activity of ZnO-TiO2 hierarchical nanostructure prepared by combined electrospinning and hydrothermal techniques[J].Macromolecular Research,2010,18(03):233-240. |
| [22] | Nair, A.S.;Shengyuan, Y.;Peining, Z.;Ramakrishna, S. .Rice grain-shaped TiO_2 mesostructures by electrospinning for dye-sensitized solar cells[J].Chemical communications,2010(39):7421-7423. |
| [23] | Zhan S H;Yang J Y;Liu Y et al.Mesoporous Fe2O3-doped TiO2 nanostructured fibers with higher photocatalyric activity[J].Journal of Colloid and Interface Science,2011,355:328-333. |
| [24] | Ding Z;Lu G Q;Greenfield P F .Role of the crystallite phase of TiO2 in heterogeneous photocatalysis for phenol oxidation in water[J].Journal of Physical Chemistry B,2000,104(19):4815-4820. |
| [25] | Burgos M;Langlet M .Condensation and densifieation mechanism of sol-gel TiO2 layers at low temperature[J].Journal of Sol-Gel Science and Technology,1999,16(03):2S7-276. |
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