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XUE NING FEI1,* , GUO ZHI JIA1, JING GUO1
The electronic and optical properties of CdSe /ZnS core/shell quantum do ts are investigated systematically based on effective mass approximation theory The Coulomb interaction between the electron and hole is also taken into account. The calculated results shown that the electron and hole can be mainly localized in the core area for the CdSe/ZnS type heterostructure. The electron and hole wavefunctions are almost completely localized in the core area and remain a large overlap for the CdS e /ZnS quantum The quantum confinement plays an important role in the transition energies and overlap integral of the carriers. The changing of the shell thickness alone does not provide signficant spectral tunability of the emission wavelength. It can be efficient to tune the range of spectrum by controlling core size..
CdSe /ZnS, quantum dots, Quantum confinement, Excitons, Effective mass approximation.
XUE NING FEI, GUO ZHI JIA, JING GUO, Quantum size effects on exctions properties of CdSe/ZnS core/shell quantum dots, Optoelectronics and Advanced Materials - Rapid Communications, 6, 7-8, July-August 2012, pp.679-682 (2012).
Submitted at: Feb. 13, 2012
Accepted at: July 19, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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