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Interaction of Oxygen with Native Chemical Defects in CuInSe2 Thin Films

Published online by Cambridge University Press:  25 February 2011

Rommel Noufi  and
David Cahen
Rommel Noufi
Affiliation:
Solar Energy Research Institute, Golden, CO 80401
David Cahen
Affiliation:
Weizmann Institute of Science, Structural Chemistry Dept., Rehovot, Israel
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Abstract

We formulate a consistent defect chemical model of the effect of air/02 anneals on CuInSe2 polycrystalline thin films. The model centers on O-induced neutralization of (near) surface donor states in CuInSe2 grains. The simplest identification of these states is with ionized Se vacancies, due to coordinatively unsaturated In on grain surfaces and boundaries.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 148: Symposium D – Chemistry and Defects in Semiconductor Heterostructures , 1989 , 451
Copyright
Copyright © Materials Research Society 1989

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