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A Physical Model for Non-Ohmic Shunt Conduction and Metastability in Amorphous Silicon Solar Cells

By Sourabh Dongaonkar1, Souvik Mahapatra2, Karthik Yogendra2, Muhammad Alam1

1. Electrical and Computer Engineering, Purdue University, West Lafayette, IN 2. Department of Electrical Engineering, IIT Bombay, Mumbai, India

Published on

Abstract

In this talk we develop a coherent physics based understanding of the shunt leakage problem in a-Si:H cells, and discuss its implications on cell and module level.

Bio

Sourabh Dongaonkar is with School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN
Karthik Y and Souvik Mahapatra are with Department of Electrical Engineering, IIT Bombay, Mumbai, India

Sponsored by

SRC ERI, Network for Photovoltaic Technology

References

[1] V. Sittinger, F. Ruske, W. Werner, B. Szyszka, B. Rech, J. Hüpkes, G. Schöpe, and H. Stiebig, "ZnO:Al films deposited by in-line reactive AC magnetron sputtering for a-Si:H thin film solar cells," Thin Solid Films, vol. 496, pp. 16-25, 2006.
[2] S. Dongaonkar, K. Y, D. Wang, M. Frei, S. Mahapatra, and M. A. Alam, "On the Nature of Shunt Leakage in Amorphous Silicon p-i-n Solar Cells," Electron Device Letters, IEEE, vol. 31, pp. 1266-1268, 2010.
[3] A. Rose, "Space-charge-limited currents in solids," Physical Review, vol. 97, pp. 1538-1544, 1955.
[4] M. S. Haque, H. A. Naseem, and W. D. Brown, "Aluminum-induced degradation and failure mechanisms of a-Si:H solar cells," Solar Energy Materials and Solar Cells, vol. 41-42, pp. 543-555, 1996.
[5] R. A. Street, Hydrogenated amorphous silicon. Cambridge; New York: Cambridge University Press, 1991.
[6] A. Avila and R. Asomoza, "Switching in coplanar amorphous hydrogenated silicon devices," Solid-State Electronics, vol. 44, pp. 17-27, 2000.

Publications

Dongaonkar S., Karthik Y, Mahapatra S., Alam M. A., "A Physical Model for Non-Ohmic Conduction and Metastability in Amorphous Silicon Solar Cells.", 37th IEEE Photovoltaic Specialists Conference, Seattle, WA, 2011

Cite this work

Researchers should cite this work as follows:

  • Sourabh Dongaonkar; Souvik Mahapatra; Karthik Yogendra; Muhammad Alam (2011), "A Physical Model for Non-Ohmic Shunt Conduction and Metastability in Amorphous Silicon Solar Cells," http://nanohub.org/resources/11841.

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Location

37th IEEE Photovoltaic Specialists Conference, Seattle WA

Tags

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