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Proceedings Paper

Investigation of CIS/CIGS and CdTe solar cells scribing with high-power fibre short pulse lasers
Author(s): Yves Hernandez; Erwin Lotter; Veronica Bermudez; Alessio Bosio; François Salin; Marc Hueske; Stefano Selleri; Anthony Bertrand; Charles Duterte
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Paper Abstract

We present here some of the last results of the EUROPEAN project ALPINE. We present both the development of an adjustable fibre laser pulse source and scribing results on CdTe and CIGS solar cells. The scribing tests were performed at three different pulse durations: 400 fs, 8 ps and 250 ps. The results obtained with 250 ps are already very promising for P3 steps in both CdTe and CIGS solar cells. In both cases the results were validated electrically. In the case of P3 scribing for CIGS solar cells, shunt resistances as high as 125 kΩ.cm were obtained. Isolation resistances were higher than 1 MΩ.cm. The processing speed was 2 m/s.

Paper Details

Date Published: 2 May 2012
PDF: 11 pages
Proc. SPIE 8438, Photonics for Solar Energy Systems IV, 84380U (2 May 2012); doi: 10.1117/12.922562
Show Author Affiliations
Yves Hernandez, Multitel A.S.B.L. (Belgium)
Erwin Lotter, Zentrum für Sonnenenergie- und Wasserstoff-Forschung (Germany)
Veronica Bermudez, NEXCIS (France)
Alessio Bosio, Univ. degli Studi di Parma (Italy)
François Salin, EOLITE Systems (France)
Marc Hueske, LPKF Laser & Electronics AG (Germany)
Stefano Selleri, Univ. degli Studi di Parma (Italy)
Anthony Bertrand, Multitel A.S.B.L. (Belgium)
Charles Duterte, Multitel A.S.B.L. (Belgium)

Published in SPIE Proceedings Vol. 8438:
Photonics for Solar Energy Systems IV
Ralf Wehrspohn; Andreas Gombert, Editor(s)

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