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Manganese-doped MnSe/CdSe core/shell nanocrystals: Preparation, characterization, and study of growth mechanism

Published online by Cambridge University Press:  21 September 2011

Kangwei Zhu ,
Xin Zhang ,
Lei Wang ,
Haibin Zhang ,
Jumeng Wei ,
Long Wang ,
Min Zhou  and
Boxue Feng
Kangwei Zhu
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Xin Zhang*
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Lei Wang
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Haibin Zhang
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Jumeng Wei
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Long Wang
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Min Zhou
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
Boxue Feng
Affiliation:
Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China; and School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: zhangxin@lzu.edu.cn
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Abstract

Nucleation doping strategy is an effective doping method; herein the synthesis of MnSe/CdSe nanocrystals using this strategy with different anion precursors was demonstrated. The resulted nanocrystals were characterized by various test technology to confirm the composition and structure. Wurtzite CdSe shell was achieved without using alkylphosphine, this is meaningful for the development of green chemistry. It is argued that the shell growth is more like a second nucleation process, rather than the epitaxial growth; this conclusion is believed to shed some light on the nucleation doping process.

Keywords

ColloidCore/shellCrystallographic structure

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Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 18 , 28 September 2011 , pp. 2400 - 2406
Copyright
Copyright © Materials Research Society 2011

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References

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