Organic molecules passivated Mn doped Zinc Selenide quantum dots and its properties

被引：11
|
作者：
Archana, J. [1 ]
Navaneethan, M. [1 ,2 ]
Ponnusamy, S. [1 ]
Hayakawa, Y. [2 ]
Muthamizhchelvan, C. [1 ]
机构：
[1] SRM Univ, Ctr Mat Sci & Nano Devices, Dept Phys, Madras 603203, Tamil Nadu, India
[2] Shizuoka Univ, Elect Res Inst, Naka Ku, Hamamatsu, Shizuoka 4328011, Japan
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 17期
关键词：
Mn doped Zinc Selenide; Nanoparticles; Wet chemical method; Optical properties; Structural properties; ZNSE NANOPARTICLES; OPTICAL-PROPERTIES; NANOCRYSTALS; LASERS;
D O I：
10.1016/j.apsusc.2011.04.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Quantum dots of Mn doped Zinc Selenide with N-Methylaniline as the capping agent was prepared by simple and inexpensive wet chemical method. Size of the particles observed by TEM was of the order of 2-4nm which was well consistent with the size measured by UV analysis. The presence of paramagnetic substance Mn(2+) in the ZnSe quantum dots was confirmed by EPR measurement. Mn doped ZnSe nanoparticles exhibited a strong blue emission that was strongly dependent upon the Mn dopant level and the surface passivation produced by N-Methylaniline. The stability of the product was studied by thermal analysis which shows that this product is highly suitable for opto-electronic applications. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码：7699 / 7703
页数：5
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