采用电化学阳极氧化法在HF酸水溶液中使纯钛表面生成结构致密有序的TiO2纳米管阵列薄膜,考察了阳极氧化电压和阳极氧化时间对TiO2纳米管阵列形貌的影响,讨论了TiO2纳米管的形成机理.采用复阻抗谱方法,测量了获得的TiO2纳米管阵列薄膜在不同湿度下的电阻-电抗曲线和相位角-频率曲线,由此分析得到,试样的等效电路由2个RC并联回路串联而成,并拟合出等效电路各元件的参数值,说明TiO2纳米管阵列薄膜表面对湿度变化有较好的响应.
参考文献
| [1] | 张曼平,战闰,夏宗凤,Gary Low.灭多威的光催化降解动力学研究[J].高等学校化学学报,1998(09):1475-1478. |
| [2] | Raja K S;Mahajan V K.Misra M Determination of photo conversion efficiency of nanotubular titanium oxide photoelectrochemical cell for solar hydrogen generation[J].Journal of Power Sources,2006(7860):1. |
| [3] | 胡晓云,樊君,常娜,白晋涛,侯洵.TiO2 纳米薄膜微结构及光催化性能研究[J].化学工程,2006(05):41-44. |
| [4] | Mor GK;Varghese OK;Paulose M;Ong KG;Grimes CA .Fabrication of hydrogen sensors with transparent titanium oxide nanotube-array thin films as sensing elements[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2006(1):42-48. |
| [5] | Seunghan Oh;Chiara Daraio;Li-Han Chen .Significantly accelerated osteoblast cell growth on aligned TiO_2 nanotubes[J].Journal of biomedical materials research, Part A,2006(1):97-103. |
| [6] | O.K.Varghese;P.D.Kichambre;D.Gong .Gas sensing characteristics of multi-wall carbon nanotubes[J].Sensors and Actuators, B. Chemical,2001(1):32-41. |
| [7] | Asahi R;Morikawa T;Ohwaki T.Visible-light photocatalysis in nitrogen-doped titanium oxides[J].Science,2001(293):269. |
| [8] | Varghese O K;Paulose M A .Study on the growth and structure of titania nanotubes[J].Journal of Materials Research,2004,19(02):417. |
| [9] | 高恩勤,张莉,杨迈之,蔡生民.水热法合成纳米TiO2及其在Gr?tzel电池中的应用[J].物理化学学报,2001(02):177-180. |
| [10] | 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. |
| [11] | 赖跃坤,孙岚,左娟,林昌健.氧化钛纳米管阵列制备及形成机理[J].物理化学学报,2004(09):1063-1066. |
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