Abstract
A new method for patterning the rear passivation layers of high-efficiency solar cells with a mechanical scriber has been developed and successfully adapted to fabricate high-efficiency passivated emitter and rear cell (PERC). Three types of the rear contact patterns: dot patterns with a photolithography process, line and dashed line patterns with a mechanical scriber process have been processed in order to optimize the rear contact structure. An efficiency of 19.42% has been achieved on the mechanical-scribed (MS)-PERC solar cell on 0.5 Ω cm p-type FZ-Si wafer and is comparable to that of conventional PERC solar cells fabricated by using photolithography process. The mechanical scriber process shows great potential for commercial applications by achieving high efficiency above 20% and by significantly reducing the fabrication costs without an expensive photolithography process.
Similar content being viewed by others
References
S. Schaefer, R. Preu, R. Ludemann and S. W. Glunz, in Proceedings of the Sixteenth European Photovoltaic Solar Energy Conference, Glasgow, May 2000, edited by H. Scheer (James & James, London, 2000) p. 1443.
R. Preu, S. W. Glunz, S. Schaefer, R. Ludemann, W. Wettling and W. Pfleging, ibid. p. 1181.
A. Metz and R. Hezel, ibid. p. 1091.
A. G. Aberle, Prog. Photovolt. Res. Appl. 8 (2000) 473.
M. A. Green, A. W. Blakers, J. Zhao, A. M. Milne, A. Wang and X. Dai, IEEE Trans. Electron Devices 37 (1990) 331.
A. G. Aberle, G. Heiser and M. A. Green, J. Appl. Phys. 75 (1994) 5391.
K. R. Catchpole and A. W. Blakers, in Proceedings of the Sixteenth European Photovoltaic Solar Energy Conference, Glasgow, May 2000, edited by H. Scheer (James & James, London, 2000) p. 1719.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Moon, I.S., Kim, D.S. & Lee, S.H. New method for patterning the rear passivation layers of high-efficiency solar cells. Journal of Materials Science: Materials in Electronics 12, 605–607 (2001). https://doi.org/10.1023/A:1012454022710
Issue Date:
DOI: https://doi.org/10.1023/A:1012454022710