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Characterization of CdS/CdTe Solar Cells Fabricated by Different Processes

Published online by Cambridge University Press:  01 February 2011

Potlog Tamara ,
G. Khrypunov ,
M. Kaelin ,
H. Zogg  and
A. N. Tiwari
Potlog Tamara
Affiliation:
tpotlog@usm.md, Moldova State University, Physics Department, 60, A.Mateevici str., Chisinau, MD 2009, Moldova, 373.22 577827, 373.22244248
G. Khrypunov
Affiliation:
khrip@ukr.net, National Technical University, Kharkov Polytechnic Institute, Kharkov, N/A, Ukraine
M. Kaelin
Affiliation:
kaelin@phys.ethz.ch, ETH Building-Technopark, Thin Film Physics Group, Laboratory for Solid State Physics, Technoparkstr.1, Zurich, CH-8005, Switzerland
H. Zogg
Affiliation:
zogg@phys.ethz.ch, ETH Building-Technopark, Thin Film Physics Group, Laboratory for Solid State Physics, Technoparkstr.1, Zurich, CH-8005, Switzerland
A. N. Tiwari
Affiliation:
tiwari@phys.ethz.ch, ETH Building-Technopark, Thin Film Physics Group, Laboratory for Solid State Physics,, Technoparkstr.1, Zurich, CH-8005, Switzerland
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Abstract

This paper analyses the photovoltaic parameters of the most promising CdS/CdTe solar cells for large application prepared by close space sublimation (CSS) and high vacuum evaporation (HVE). CdS/CdTe solar cells that have an efficiency of~10 % have been studied by current-voltage, capacitance-voltage and quantum efficiency measurements. The current-voltage characteristics show that the addition of small amounts of Cu or Te to back contacts by thermal evaporation improves contact properties by p+-doping the CdTe surface and creating a pseudo-ohmic contact. The cell deposited by CSS seriously suffers in FF compared to the cells prepared by HVE. For both types of the cells above mentioned measurements reveal that the efficiency of CdS/CdTe solar cells fabricated by CSS is limited by a light-dependent shunt resistance and by a high series resistance, but concerning of the cells fabricated by HVE - by the formation of a thick layer of CdS1-xTex at the interface.

Keywords

thin filmdevicesII-VI
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1012: Symposium Y – Thin-Film Compound Semiconductor Photovoltaics-2007 , 2007 , 1012-Y03-30
Copyright
Copyright © Materials Research Society 2007

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References

1. Bonnet, D. and Harr, M., Proceedings of the 2nd World Conf. and Exhibition on Photovoltaic Solar Energy Conversion. 6-10 July, Vienna, Austria,(1998), 397–402.Google Scholar
2. Tiwari, A.N., Romeo, A., Batzner, D.L., Zogg, H., Progress in Photovoltaic: Research and Applications 9, 211–215 (2001).Google Scholar
3. Wu, X., Kane, J.C., Dhere, R.G., DeHart, C., Duda, D.S. Albin, Gessert, T.A., S, Asher, Levi, D.H., Sheldon, P., Proceedings of the 17th European Photovoltaic Solar Energy Conference and Exhibition, Munich,(2002), 995–1000.Google Scholar
4. Romeo, N., Bosio, A., Canavari, V., Proceedings of the 11thEuropean Photovoltaic Solar Energy Conference and Exhibition, Montreux,(1992), 972–973.Google Scholar
5. Matulions, I., Han, S, Drayton, J.A., Price, K.J., Compaan, A.D., Proceedings of the 2001 MRS Spring Meeting, San Francisco, H8.23,1–4, (2001).Google Scholar
6. Lee, J.S., Im, H.B., J. of Material Science 21, 980–984 (1986).Google Scholar
7. Potlog, T., Ghimpu, L, Gashin, P., Pudov, A., Nagle, T., Sites, J., Solar Energy Materials and Solar Cells, 80, 327–334 (2003).Google Scholar
8. Batzner, D., Romeo, A., H, Zogg, Wendt, R., Tiwari, A., Thin Solid Films,151, 387 (2001)Google Scholar
9. Brian, E, , McCandless, Gregory, H, Hanket, D., Garth, J. and Birkmire, R.W.. J. Vac. Sci. Technol. A 20(4)Ju/Aug, 1462–1467 (2002).Google Scholar
10. Potlog, T., Ghimpu, L., Coval, A, Andronic, I., Pudov, A., Proceedings of the 19th European PV Solar Energy Conference and Exhibition, Paris, France, June 7-11, (2004) 1802–1805.Google Scholar
11. Wei, S.H., Zhang, Z.B., Phys. Status Solidi B 229, 305–310 (2002).Google Scholar