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Microscopic Analysis of Residuals on Polycrystalline CdTe Following Wet CdCl2 Treatment

Published online by Cambridge University Press:  21 March 2011

Timothy A. Gessert ,
Manuel J. Romero ,
Craig L. Perkins ,
Sally E. Asher ,
Rick Matson ,
Helio Moutinho  and
Doug Rose
Timothy A. Gessert
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Manuel J. Romero
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Craig L. Perkins
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Sally E. Asher
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Rick Matson
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Helio Moutinho
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401, U.S.A.
Doug Rose
Affiliation:
First Solar, LLC, Perrysburg, OH 43551, U.S.A.
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Abstract

In this study we report on the spatial distribution and composition of residuals on the CdTe surface following a typical wet CdCl2 treatment, and the effect that our ion-beam milling has on this residual-coated surface. Results show that residuals are spatially discrete, located primarily along grain boundaries, and are likely a cadmium oxychloride. Results also show that the residuals may penetrate deep into the CdTe surface such that typical ion-beam milling procedures do not produce complete residual removal.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 668: Symposium H – II-IV Compound Semiconductor Photovoltaic Materials , 2001 , H1.10
Copyright
Copyright © Materials Research Society 2001

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References

REFERENCES

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