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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 11 — Nov. 1, 2013
  • pp: 1925–1930

Layer separation driven by laser-induced strain in semiconductor thin film

Stefano Buratin and Paolo Villoresi  »View Author Affiliations


Optical Materials Express, Vol. 3, Issue 11, pp. 1925-1930 (2013)
http://dx.doi.org/10.1364/OME.3.001925


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Abstract

The scribing of the semiconductor layer in thin-film solar cells is here achieved by means of laser induced thermal gradient and mechanical strain. We experimentally demonstrate the scribing by separating one layer from a underlying layer without a substantial melting phase. The modeling of the process was used to predict the spatio-temporal distribution of the induced effects, the resulting scribed channel is confined and the process has a good repeatability. We envisage a parallelization of the process for simultaneous cell formation on the panel.

© 2013 OSA

OCIS Codes
(040.5350) Detectors : Photovoltaic
(140.3390) Lasers and laser optics : Laser materials processing
(240.0310) Optics at surfaces : Thin films
(350.6050) Other areas of optics : Solar energy

ToC Category:
Laser Materials Processing

History
Original Manuscript: August 26, 2013
Revised Manuscript: September 2, 2013
Manuscript Accepted: September 2, 2013
Published: October 22, 2013

Citation
Stefano Buratin and Paolo Villoresi, "Layer separation driven by laser-induced strain in semiconductor thin film," Opt. Mater. Express 3, 1925-1930 (2013)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-3-11-1925


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