Ultrafast Carrier Dynamics of Titanic Acid Nanotubes Investigated by Transient Absorption Spectroscopy
文献类型：期刊论文
| 作者 | Wang, L ; Zhao, H ; Pan, LY ; Weng, YX ; Nakato, Y ; Tamai, N |
| 刊名 | JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
 |
| 出版日期 | 2010 |
| 卷号 | 10期号:12页码:8349 |
| 关键词 | TIO2 NANOPARTICLES FEMTOSECOND EFFICIENT PHOTOLUMINESCENCE SEMICONDUCTOR SEPARATION PARTICLES TITANATES ALCOHOLS OXYGEN |
| ISSN号 | 1533-4880 |
| 通讯作者 | Tamai, N (reprint author), Kwansei Gakuin Univ, Sch Sci & Technol, Dept Chem, 2-1 Gakuen, Sanda 6691337, Japan. |
| 中文摘要 | Carrier dynamics of titanic acid nanotubes (phase of H(2)Ti(2)O(5)center dot H(2)O) deposited on a quartz plate was examined by visible/near-IR transient absorption spectroscopy with an ultraviolet excitation. The carrier dynamics of titanic acid nanotubes follows the fast trapping process which attributed to the intrinsic tubular structure, the relaxation of shallow trapped carriers and the recombination as a second-order kinetic process. Transient absorption of titanic acid nanotubes was dominated by the absorption of surface-trapped holes in visible region around 500 nm, which was proved by the faster decay dynamics in the presence of polyvinyl alcohol as a hole-scavenger. However, the slow relaxation of free carriers was much more pronounced in the TiO(2) single crystals, as compared with the transient absorption spectra of titanic acid nanotubes under the similar excitation. |
| 收录类别 | SCI |
| 资助信息 | MEXT; NEDO, Japan [02B69006c] |
| 语种 | 英语 |
| 公开日期 | 2013-09-23 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/46307]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Wang, L,Zhao, H,Pan, LY,et al. Ultrafast Carrier Dynamics of Titanic Acid Nanotubes Investigated by Transient Absorption Spectroscopy[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2010,10(12):8349. |
| APA | Wang, L,Zhao, H,Pan, LY,Weng, YX,Nakato, Y,&Tamai, N.(2010).Ultrafast Carrier Dynamics of Titanic Acid Nanotubes Investigated by Transient Absorption Spectroscopy.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,10(12),8349. |
| MLA | Wang, L,et al."Ultrafast Carrier Dynamics of Titanic Acid Nanotubes Investigated by Transient Absorption Spectroscopy".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 10.12(2010):8349. |
入库方式： OAI收割
来源：物理研究所
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