Carrier Diffusion and Radiative Recombination in CdTe Thin Films

Manuel J. Romero; Timothy A. Gessert; Mowafak M. Al-Jassim

doi:10.1063/1.1515882

Carrier Diffusion and Radiative Recombination in CdTe Thin Films

Manuel J. Romero, Timothy A. Gessert, Mowafak M. Al-Jassim

Materials Science

National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

20 Scopus Citations

Abstract

We employed cathodoluminescence spectroscopy and imaging to investigate the carrier diffusion and radiative recombination in CdTe thin films. We observed that carriers excited by the electron beam diffuse by excitons or by free electrons via donor states at low temperatures. The distribution and concentration of these states in the CdTe films were estimated from the dependence on the excitation level of the donor-to-acceptor radiative recombination.

Original language	American English
Pages (from-to)	3161-3163
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	17
DOIs	https://doi.org/10.1063/1.1515882 https://doi.org/10.1063/1.1515882
State	Published - 2002

NREL Publication Number

NREL/JA-520-32221

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title = "Carrier Diffusion and Radiative Recombination in CdTe Thin Films",

abstract = "We employed cathodoluminescence spectroscopy and imaging to investigate the carrier diffusion and radiative recombination in CdTe thin films. We observed that carriers excited by the electron beam diffuse by excitons or by free electrons via donor states at low temperatures. The distribution and concentration of these states in the CdTe films were estimated from the dependence on the excitation level of the donor-to-acceptor radiative recombination.",

author = "Romero, {Manuel J.} and Gessert, {Timothy A.} and Al-Jassim, {Mowafak M.}",

year = "2002",

doi = "10.1063/1.1515882",

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volume = "81",

pages = "3161--3163",

journal = "Applied Physics Letters",

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publisher = "American Institute of Physics",

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AU - Romero, Manuel J.

AU - Gessert, Timothy A.

AU - Al-Jassim, Mowafak M.

PY - 2002

Y1 - 2002

N2 - We employed cathodoluminescence spectroscopy and imaging to investigate the carrier diffusion and radiative recombination in CdTe thin films. We observed that carriers excited by the electron beam diffuse by excitons or by free electrons via donor states at low temperatures. The distribution and concentration of these states in the CdTe films were estimated from the dependence on the excitation level of the donor-to-acceptor radiative recombination.

AB - We employed cathodoluminescence spectroscopy and imaging to investigate the carrier diffusion and radiative recombination in CdTe thin films. We observed that carriers excited by the electron beam diffuse by excitons or by free electrons via donor states at low temperatures. The distribution and concentration of these states in the CdTe films were estimated from the dependence on the excitation level of the donor-to-acceptor radiative recombination.

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U2 - 10.1063/1.1515882

DO - 10.1063/1.1515882

M3 - Article

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VL - 81

SP - 3161

EP - 3163

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 17

ER -

Carrier Diffusion and Radiative Recombination in CdTe Thin Films

Abstract

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