本文采用水热法,以10 mol/L NaOH作矿化剂,填充度68%,反应温度180 ℃,反应时间为24 h,合成了钛酸钠晶体纤维.对所合成的晶体纤维进行了二次水热处理,所采用的溶液pH值分别为2、5、11、14,温度为180 ℃,填充度68%,反应时间为24 h.在酸性溶液条件下,合成了具有自组织趋势的线状锐钛相TiO2纳米聚晶,单个的纳米晶长度约30～100 nm,宽度10～20 nm.在强碱性条件下,晶体结构未发生变化,仍为纤维状钛酸盐.
参考文献
| [1] | O'Regan B;Gr(o)atzel M .A Low-cost,High-efficiency Solar Cell Based on Dye-sensitized Colloidal TiO2 Films[J].Nature,1991,353:737-739. |
| [2] | Gr¨atzel M .Photoelectrochemical Cells[J].Nature,2001,414:338-344. |
| [3] | Yasuo Chiba;Ashraful Islam;Ryoichi Komiya;Naoki Koide;Liyuan Han .Conversion efficiency of 10.8% by a dye-sensitized solar cell using a TiO_2 electrode with high haze[J].Applied physics letters,2006(22):223505.1-223505.3. |
| [4] | Kolen'ko YV;Churagulov BR;Kunst M;Mazerolles L;Colbeau-Justin C .Photocatalytic properties of titania powders prepared by hydrothermal method[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2004(1):51-58. |
| [5] | Zhang D;Yoshida T;Minoura H et al.Low-temperature Fabrication of Efficient Porous Titania Photoelectrodes by Hydrothermal Crystallization at the Solid/gas Interface[J].Advanced Materials,2003,15:814-817. |
| [6] | Fujishima A;Hashimoto K;Watanabe T.TiO2 Photocatalysis:Fundamentalsand Applications[M].BKC,Tokyo,1999 |
| [7] | Bavykin D V;Gordeev S N;Moskalenko A V et al.Apparent Two-dimensional Behavior of TiO2 Nanotubes Revealed by Light Absorption and Luminescence[J].Journal of Physical Chemistry B,2005,109:8565-8569. |
| [8] | Nobuyuki Sakai;Katsutoshi Fukuda;Tatsuo Shibata;Yasuo Ebina;Kazunori Takada;Takayoshi Sasaki .Photoinduced Hydrophilic Conversion Properties of Titania Nanosheets[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(12):6198-6203. |
| [9] | Nobuyuki Sakai;Yasuo Ebina;Kazunori Takada;Takayoshi Sasaki .Electronic Band Structure of Titania Semiconductor Nanosheets Revealed by Electrochemical and Photoelectrochemical Studies[J].Journal of the American Chemical Society,2004(18):5851-5858. |
| [10] | D. V. Bavykin;J. M. Friedrich;F. C. Walsh .Protonated Titanates and TiO_2 Nanostructured Materials: Synthesis, Properties, and Applications[J].Advanced Materials,2006(21):2807-2824. |
| [11] | 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. |
| [12] | 张青红,高濂,郑珊,孙静.制备均一形貌的长二氧化钛纳米管[J].化学学报,2002(08):1439-1444. |
| [13] | Bavykin DV;Parmon VN;Lapkin AA;Walsh FC .The effect of hydrothermal conditions on the mesoporous structure of TiO2 nanotubes[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2004(22):3370-3377. |
| [14] | Ma R;Bando Y;Sasaki T et al.Directly Rolling Nanosheets into Nanotubes[J].Journal of Physical Chemistry B,2004,108:2115-2119. |
| [15] | 梁建,马淑芳,韩培德,孙彩云,许并社.二氧化钛纳米管的合成及其表征[J].稀有金属材料与工程,2005(02):287-290. |
| [16] | G. H. Du;Q. Chen;R. C. Che;Z. Y. Yuan;L.-M. Peng .Preparation and structure analysis of titanium oxide nanotubes[J].Applied physics letters,2001(22):3702-3704. |
| [17] | Nakahira A;Kato W;Tamai M;Isshiki T;Nishio K;Aritani H .Synthesis of nanotube from a layered H2Ti4O9 center dot H2O in a hydrothermal treatment using various titania sources[J].Journal of Materials Science,2004(13):4239-4245. |
| [18] | H. Y. Zhu;Y. Lan;X. P. Gao;S. P. Ringer;Z. F. Zheng;D. Y. Song;J. C. Zhao .Phase Transition between Nanostructures of Titanate and Titanium Dioxides via Simple Wet-Chemical Reactions[J].Journal of the American Chemical Society,2005(18):6730-6736. |
| [19] | Nian J N;Teng H .Hydrothermal Synthesis of Single-Crystalline Anatase TiO2 Nanorods with Nanotubes as the Precursor[J].Journal of Physical Chemistry B,2006,110:4193-4198. |
| [20] | Dmitry V.Bavykin;Jens M.Friedrich;Alexei A.Lapkin;Frank C.Walsh .Stability of Aqueous Suspensions of Titanate Nanotubes[J].Chemistry of Materials: A Publication of the American Chemistry Society,2006(5):1124-1129. |
| [21] | 王保玉,张景会,刘湛鋆.TiO2纳米管的制备与表征[J].精细化工,2003(06):333-336. |
| [22] | Kasuga T.;Hoson A.;Sekino T.;Niihara K.;Hiramatsu M. .Titania nanotubes prepared by chemical processing[J].Advanced Materials,1999(15):1307-1311. |
| [23] | 王芹,陶杰,翁履谦,宋申华,陶海军.氧化钛纳米管的合成机理与表征[J].材料开发与应用,2004(05):9-12,25. |
| [24] | Ma R;Bando Y;Sasaki T et al.Directly Rolling Nanosheets into Nanotubes[J].Journal of Physical Chemistry B,2004,108:2115-2119. |
| [25] | Qing Chen;Wuzong Zhou;Gaohui Du;Lianmao Peng .Trititanate Nanotubes Made via a Single Alkali Treatment[J].Advanced Materials,2002(17):1208-1211. |
| [26] | Kong X;Ding Y;Yang R et al.Single-crystal Nanorings Formed by Epitaxial Self-coiling of Polar Nanobelts[J].Science,2004,303(5662):1348-1351. |
| [27] | B. D. Yao;Y. F. Chan;X. Y. Zhang;W. F. Zhang;Z. Y. Yang;N. Wang .Formation mechanism of TiO_(2) nanotubes[J].Applied physics letters,2003(2):281-283. |
| [28] | Wenjiang Li;Tao Fu;Fei Xie .The multi-staged formation process of titanium oxide nanotubes and its thermal stability[J].Materials Letters,2007(3):730-735. |
| [29] | Morgado E;de Abreu MAS;Pravia ORC;Marinkovic BA;Jardim PM;Rizzo FC;Araujo AS .A study on the structure and thermal stability of titanate nanotubes as a function of sodium content[J].Solid state sciences,2006(8):888-900. |
| [30] | Yoshinori Ohsaki;Takayuki Kitamura;Yuji Wada;Takumi Okamoto;Toru Sekino .Dye-sensitized TiO_2 nanotube solar cells: fabrication and electronic characterization[J].Physical chemistry chemical physics: PCCP,2005(24):4157-4163. |
| [31] | 徐惠,王毅,翟钧,曲晓丽,史建新.TiO2纳米管的水热合成表征及其光催化性能研究[J].环境污染与防治,2006(02):81-83. |
| [32] | Qingxiang Zhou;Yujie Ding;Junping Xiao;Guoguang Liu;Xiaoyang Guo .Investigation of the feasibility of TiO2 nanotubes for the enrichment of DDT and its metabolites at trace levels in environmental water samples[J].Journal of chromatography, A: Including electrophoresis and other separation methods,2007(1):10-16. |
| [33] | Sun X M;Li Y D .Synthesis and Characterization of Ion-exchangeable Titanate Nanotubes[J].Chemistry-A European Journal,2003,9:2229-2238. |
| [34] | Bavykin D V;Lapkin A A;Plucinski P K et al.Reversible Storage of Molecular Hydrogen by Sorption into Multilayered TiO2 Nanotubes[J].Journal of Physical Chemistry B,2005,109(41):19422-19427. |
| [35] | Oomman K. Varghese;Dawei Gong;Maggie Paulose;Keat G. Ong;Craig A. Grimes .Hydrogen sensing using titania nanotubes[J].Sensors and Actuators, B. Chemical,2003(1/3):338-344. |
| [36] | Wang Y G;Zhang X G .Preparation and Electrochemical Capacitance of RuO2/TiO2 Nanotubes Composites[J].Electrochimica Acta,2004,49:1957-1962. |
| [37] | Thorne A;Kruth A;Tunstall D et al.Formation,Structure and Stability of Titanate Nanotubes and their Proton conductivity[J].Journal of Physical Chemistry B,2005,109:5439-5444. |
| [38] | 王保玉,郭新勇,张治军,赵彦保,金振声.热处理对TiO2纳米管结构相变的影响[J].高等学校化学学报,2003(10):1838-1841. |
| [39] | Armstrong G;Armstrong AR;Canales J;Bruce PG .Nanotubes with the TiO2-B structure[J].Chemical communications,2005(19):2454-2456. |
| [40] | A. Robert Armstrong;Graham Armstrong;Jesus Canales;Peter G. Bruce .TiO_2-B Nanowires[J].Angewandte Chemie,2004(17):2286-2288. |
| [41] | Tsai CC;Teng HS .Structural features of nanotubes synthesized from NaOH treatment on TiO2 with different post-treatments[J].Chemistry of Materials: A Publication of the American Chemistry Society,2006(2):367-373. |
| [42] | 郑燕青,施尔畏,元如林,李汶军,王步国,仲维卓,胡行方.二氧化钛晶粒的水热制备及其形成机理研究[J].中国科学(E辑),1999(03):206-213. |
| [43] | 韦志仁,罗小平,付三玲,李哲,胡志鹏,高平,王伟伟,董国义.TiCl3水热合成纯金红相和锐钛相TiO2纳米晶体[J].人工晶体学报,2007(06):1301-1304,1278. |
| [44] | 付三玲,ZHANG Fu,韦志仁.锐钛矿相TiO2纳米棒状晶体的水热合成[J].人工晶体学报,2008(04):1012-1015. |
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%