Journal of Luminescence, volume 46, issue 2, pages 97-100
Quantum-size stark effect in semiconductor microcrystals
Publication type: Journal Article
Publication date: 1990-03-01
Journal:
Journal of Luminescence
scimago Q2
SJR: 0.589
CiteScore: 6.7
Impact factor: 3.3
ISSN: 00222313, 18727883
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
The effect of an external electric field on the absorption spectrum of CdS and CdSe microcrystals has been investigated both experimentally and theoretically. It is found that electro-optic properties of the microcrystal doped glasses near the interband edge are governed by the quadratic Stark effect. The value of the Stark shift was observed to decrease in small size microcrystals as the cube of the radius. This dependence is in good agreement with the theoretical considerations taking into account the peculiarities of the size confined electron-hole pair energy spectra.
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