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Determination of the Recombination Processes in Copper Ternary Chalcopyrites by Phototransport Measurements

Published online by Cambridge University Press:  10 February 2011

Y. Lubianmker ,
G. Bitton ,
I. Balberg ,
O. Resto  and
S. Z. Weisz
Y. Lubianmker
Affiliation:
Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel
G. Bitton
Affiliation:
Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel
I. Balberg
Affiliation:
Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel
O. Resto
Affiliation:
Department of Physics, University of Puerto Rico, Rio Piedras, PR 00931
S. Z. Weisz
Affiliation:
Department of Physics, University of Puerto Rico, Rio Piedras, PR 00931
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Abstract

We have measured the phototransport properties of CuGaSe2 films as a function of temperature. The simplest model which is consistent with all the experimental results consists of two recombination levels, one of which is donor-like and the other is acceptor-like. This model is similar to the symmetrical two-level model, which we have recently suggested for CuInS2 films. We thus conclude that this model, with slight variations, represents the general recombination level structure in all copper ternary chalcopyrites.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 426: Symposium J – Thin Films for Photovoltaic and Related Device , 1996 , 207
Copyright
Copyright © Materials Research Society 1996

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