Exciton-Phonon Scattering in CdSe/ZnSe Quantum Dots
ZHANG Li-Gong, SHEN De-Zhen, FAN Xi-Wu, LU Shao-Zhe
Laboratory of Excited State Process, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Acadenry of Sciences, Changchun 130021
Exciton-Phonon Scattering in CdSe/ZnSe Quantum Dots
ZHANG Li-Gong;SHEN De-Zhen;FAN Xi-Wu;LU Shao-Zhe
Laboratory of Excited State Process, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Acadenry of Sciences, Changchun 130021
关键词 :
78.66.Hf ,
63.22.+m
Abstract : A temperature-dependent photoluminescence measurement is performed in the CdSe/ZnSe quantum dots with a ZnCdSe quantum well. We deduce the temperature dependence of the exciton line-width and peak energy of the zero-dimensional exciton in the quantum dots and two-dimensional exciton in the CdSe wetting layer. The experimental data reveals a reduction of homogeneous broadening of exciton line in the quantum dots in comparison with that in the two-dimensional wetting layer, which indicates the decrease of exciton and optical phonon coupling in the CdSe quantum dots.
Key words :
78.66.Hf
63.22.+m
出版日期: 2002-04-01
引用本文:
ZHANG Li-Gong;SHEN De-Zhen;FAN Xi-Wu;LU Shao-Zhe. Exciton-Phonon Scattering in CdSe/ZnSe Quantum Dots
[J]. 中国物理快报, 2002, 19(4): 578-580.
ZHANG Li-Gong, SHEN De-Zhen, FAN Xi-Wu, LU Shao-Zhe. Exciton-Phonon Scattering in CdSe/ZnSe Quantum Dots
. Chin. Phys. Lett., 2002, 19(4): 578-580.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I4/578
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