Preparation And Optical Properties Of Cdte/Cdo Center Dot Nh(2)O Core/Shell Nano-Composites In Aqueous Solution
文献类型：期刊论文
| 作者 | Zhang X; Zhou XP; Ni SY; Dai GL(戴国亮) ; Wang YS
|
| 刊名 | Chinese Journal of Chemical Physics
 |
| 出版日期 | 2007 |
| 页码 | 779-783 |
| 通讯作者邮箱 | xpzhou@dhu.edu.cn ; dspr@imech.ac.cn |
| 关键词 | Cdte Cadmium Hydrous Oxide Optical Properties Surface Modification Ph Stability Quantum Dots Cdte Nanoparticles Nanocrystals Photoluminescence Photostability Cdse |
| ISSN号 | 1003-7713 |
| 通讯作者 | Zhou, XP (reprint author), Donghua Univ, Inst Biol Sci & Biotechnol, Shanghai 201620, Peoples R China. |
| 中文摘要 | The deposition of CdO center dot nH(2)O On CdTe nanoparticles was studied in an aqueous phase. The CdTe nanocrystals (NCs) were prepared in aqueous solution through the reaction between Cd2+ and NaHTe in the presence of thioglycolic acid as a stabilizer. The molar ratio of the Cd2+ to Te2- in the precursory solution played an important role in the photoluminescence of the ultimate CdTe NCs. The strongest photoluminescence was obtained under 4.0 of [Cd2+]/[Te2-] at pH similar to 8.2. With the optimum dosage of Cd(II) hydrous oxide deposited on the CdTe NCs, the photoluminescence was enhanced greatly. The photoluminescence of these nanocomposites was kept constant in the pH range of 8.0-10.0, but dramatically decreased with an obvious blue-shifted peak while the pH was below 8.0. In addition, the photochemical oxidation of CdTe NCs with cadmium hydrous oxide deposition was markedly inhibited. |
| 类目[WOS] | Physics, Atomic, Molecular & Chemical |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | QUANTUM DOTS ; CDTE NANOPARTICLES ; NANOCRYSTALS ; PHOTOLUMINESCENCE ; PHOTOSTABILITY ; CDSE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000252031900032 |
| 公开日期 | 2009-08-03 ; 2009-09-14 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/25572]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 推荐引用方式 GB/T 7714 | Zhang X,Zhou XP,Ni SY,et al. Preparation And Optical Properties Of Cdte/Cdo Center Dot Nh(2)O Core/Shell Nano-Composites In Aqueous Solution[J]. Chinese Journal of Chemical Physics,2007:779-783. |
| APA | Zhang X,Zhou XP,Ni SY,戴国亮,&Wang YS.(2007).Preparation And Optical Properties Of Cdte/Cdo Center Dot Nh(2)O Core/Shell Nano-Composites In Aqueous Solution.Chinese Journal of Chemical Physics,779-783. |
| MLA | Zhang X,et al."Preparation And Optical Properties Of Cdte/Cdo Center Dot Nh(2)O Core/Shell Nano-Composites In Aqueous Solution".Chinese Journal of Chemical Physics (2007):779-783. |
入库方式： OAI收割
来源：力学研究所
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