Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Controllable synthesis, growth mechanism and optical properties of the ZnSe quantum dots and nanoparticles with different crystalline phases | |
Feng B.; Yang J.; Cao J.; Yang L.; Gao M.; Wei M.; Liu Y.; Song H. | |
2013 | |
发表期刊 | Materials Research Bulletin |
ISSN | ISBN/00255408 |
卷号 | 48期号:3 |
摘要 | ZnSe precursors were prepared by a solvothermal method at 180C without any surface-active agents. ZnSe quantum dots and nanoparticles were obtained by annealing the precursors at 300C for 2 h in argon atmosphere. The ZnSe quantum dots were about 3.5 nm, while the ZnSe nanoparticles were about 21 nm, as observed using TEM. The growth mechanisms for the two samples were discussed; this proved that the high coordination ability of ethylenediamine to zinc played an important role in the final phase of the products. The ZnSe quantum dots with the wurtzite structure exhibited a strong near band-edge emission (NBE) peak centered at 422 nm, which was blue-shifted in comparison to that of the bulk ZnSe, which was mainly caused by the quantum confinement effect. However, the zinc blende ZnSe nanoparticles exhibited a near-band-edge luminescence peak centered at 472 nm. 2012 Elsevier Ltd. All rights reserved. |
收录类别 | SCI ; EI |
WOS记录号 | WOS:000315608400019 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/40589 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Feng B.,Yang J.,Cao J.,et al. Controllable synthesis, growth mechanism and optical properties of the ZnSe quantum dots and nanoparticles with different crystalline phases[J]. Materials Research Bulletin,2013,48(3). |
APA | Feng B..,Yang J..,Cao J..,Yang L..,Gao M..,...&Song H..(2013).Controllable synthesis, growth mechanism and optical properties of the ZnSe quantum dots and nanoparticles with different crystalline phases.Materials Research Bulletin,48(3). |
MLA | Feng B.,et al."Controllable synthesis, growth mechanism and optical properties of the ZnSe quantum dots and nanoparticles with different crystalline phases".Materials Research Bulletin 48.3(2013). |
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