Dynamics of bound-exciton energy transformation to edge-luminescence centers in CdS

J. Y. Lin; D. Baum; Q. Zhu; A. Honig; H. X. Jiang

doi:10.1016/0022-2313(90)90160-D

Dynamics of bound-exciton energy transformation to edge-luminescence centers in CdS

J. Y. Lin, D. Baum, Q. Zhu, A. Honig, H. X. Jiang

Electrical and Computer Engineering

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3 Scopus citations

Abstract

Dynamics of energy transfer among bound-excitons and donor-acceptor pairs (DAPs) in CdS have been investigated by using time-resolved edge luminescence excitation spectroscopy. Intensity peaks associated with the creation of I₁ excitons (exciton bound to neutral acceptor) at short delay times indicate that the efficiency of bound exciton decay into impurity centers is high. However, evolution of the I₁ intensity peak into a dip with increasing delay-time has been observed. This has been interpreted in terms of the decay rate of DAP luminescence increase caused by the electric field in the surface region.

Original language	English
Pages (from-to)	251-253
Number of pages	3
Journal	Journal of Luminescence
Volume	45
Issue number	1-6
DOIs	https://doi.org/10.1016/0022-2313(90)90160-D
State	Published - 1990

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title = "Dynamics of bound-exciton energy transformation to edge-luminescence centers in CdS",

abstract = "Dynamics of energy transfer among bound-excitons and donor-acceptor pairs (DAPs) in CdS have been investigated by using time-resolved edge luminescence excitation spectroscopy. Intensity peaks associated with the creation of I1 excitons (exciton bound to neutral acceptor) at short delay times indicate that the efficiency of bound exciton decay into impurity centers is high. However, evolution of the I1 intensity peak into a dip with increasing delay-time has been observed. This has been interpreted in terms of the decay rate of DAP luminescence increase caused by the electric field in the surface region.",

author = "Lin, {J. Y.} and D. Baum and Q. Zhu and A. Honig and Jiang, {H. X.}",

year = "1990",

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pages = "251--253",

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T1 - Dynamics of bound-exciton energy transformation to edge-luminescence centers in CdS

AU - Lin, J. Y.

AU - Baum, D.

AU - Zhu, Q.

AU - Honig, A.

AU - Jiang, H. X.

PY - 1990

Y1 - 1990

N2 - Dynamics of energy transfer among bound-excitons and donor-acceptor pairs (DAPs) in CdS have been investigated by using time-resolved edge luminescence excitation spectroscopy. Intensity peaks associated with the creation of I1 excitons (exciton bound to neutral acceptor) at short delay times indicate that the efficiency of bound exciton decay into impurity centers is high. However, evolution of the I1 intensity peak into a dip with increasing delay-time has been observed. This has been interpreted in terms of the decay rate of DAP luminescence increase caused by the electric field in the surface region.

AB - Dynamics of energy transfer among bound-excitons and donor-acceptor pairs (DAPs) in CdS have been investigated by using time-resolved edge luminescence excitation spectroscopy. Intensity peaks associated with the creation of I1 excitons (exciton bound to neutral acceptor) at short delay times indicate that the efficiency of bound exciton decay into impurity centers is high. However, evolution of the I1 intensity peak into a dip with increasing delay-time has been observed. This has been interpreted in terms of the decay rate of DAP luminescence increase caused by the electric field in the surface region.

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SP - 251

EP - 253

JO - Journal of Luminescence

JF - Journal of Luminescence

IS - 1-6

ER -

Dynamics of bound-exciton energy transformation to edge-luminescence centers in CdS

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