以氮化钛为前驱体,氢氟酸、盐酸为晶面和晶型调控剂,采用一步水热法成功法制备了氮掺杂TiO2单晶,对样品进行了SEM、XRD和TEM分析,结果表明:在氟离子单独调控下,TiN优先生成具有(001)优势晶面的锐钛矿型片状TiO2单晶；在氯离子单独调控下,TiN优先生成具有(110)优势晶面的金红石型棒状TiO2单晶；在氟离子和氯离子协同调控下,TiN优先生成具有(001)优势晶面的锐钛矿型片状TiO2单晶,且在(001)晶面正方形的四个直角处均生成两个较小的新晶面.
参考文献
| [1] | Wei Wang;Chun-Hua Lu;Ya-Ru Ni.Enhanced visible-light photoactivity of (001) facets dominated TiO2 nanosheets with even distributed bulk oxygen vacancy and Ti~(3+)[J].Catalysis Communications,2012:19-23. |
| [2] | Zhou, X.;Peng, F.;Wang, H.;Yu, H.;Fang, Y. .A simple preparation of nitrogen doped titanium dioxide nanocrystals with exposed (001) facets with high visible light activity[J].Chemical communications,2012(4):600-602. |
| [3] | Xuemei Zhou;Jinyao Lan;Gang Liu .Facet-Mediated Photodegradation of Organic Dye over Hematite Architectures by Visible Light[J].Angewandte Chemie,2012(1):178-182. |
| [4] | Jiaguo Yu;Jiajie Fan;Bei Cheng .Dye-sensitized solar cells based on anatase TiO_2 hollow spheres/carbon nanotube composite films[J].Journal of Power Sources,2011(18):7891-7898. |
| [5] | Jiajie Fan;Weiquan Cai;Jiaguo Yu .Adsorption of N719 Dye on Anatase TiO_(2) Nanoparticles and Nanosheets with Exposed (001) Facets: Equilibrium, Kinetic, and Thermodynamic Studies[J].Chemistry, an Asian journal,2011(9):2481-2490. |
| [6] | Hua Gui Yang;Cheng Hua Sun;Shi Zhang Qiao;Jin Zou;Gang Liu;Sean Campbell Smith;Hui Ming Cheng;Gao Qing Lu .Anatase TiO2 single crystals with a large percentage of reactive facets[J].Nature,2008(7195):638-641. |
| [7] | Kakiuchi K;Hosono E;Imai H;Kimura T;Fujihara S .{111}-faceting of low-temperature processed rutile TiO2 rods[J].Journal of Crystal Growth,2006(2):541-545. |
| [8] | Liu, G;Yang, HG;Wang, XW;Cheng, LN;Pan, J;Lu, GQ;Cheng, HM .Visible Light Responsive Nitrogen Doped Anatase TiO2 Sheets with Dominant {001} Facets Derived from TiN[J].Journal of the American Chemical Society,2009(36):12868-12869. |
| [9] | Fan Zuo;Krassimir Bozhilov;Robert J. Dillon .Active Facets on Titanium(III)-Doped TiO2: An Effective Strategy to Improve the Visible-Light Photocatalytic Activity[J].Angewandte Chemie,2012(25):6223-6226. |
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%