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Proceedings Paper

Luminescence imaging: a powerful characterization tool for photovoltaic applications
Author(s): T. Trupke; J. W. Weber
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Paper Abstract

Luminescence imaging techniques are increasingly used in photovoltaics (PV) related research and development and in the production of solar cells and modules. Intense research in this area has revealed a variety of material and device parameters that can be measured, generally with very short measurement times and high spatial resolution. While the focus of luminescence imaging R&D has so far been on traditional wafer based silicon solar cells, the principles of luminescence imaging, and its inherent benefits apply generally to other solar cell concepts and can therefore be expected to accelerate progress also with the further development and realization of advanced, so-called third generation solar cell approaches. This paper reviews some fundamental aspects of luminescence, specifically the relation between the luminescence intensity and both the minority carrier lifetime and the diode voltage. Some resulting specific luminescence imaging applications for silicon solar cells will be discussed.

Paper Details

Date Published: 24 August 2010
PDF: 9 pages
Proc. SPIE 7772, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion, 777202 (24 August 2010); doi: 10.1117/12.862714
Show Author Affiliations
T. Trupke, BT Imaging Pty Ltd. (Australia)
J. W. Weber, BT Imaging Pty Ltd. (Australia)

Published in SPIE Proceedings Vol. 7772:
Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion
Loucas Tsakalakos, Editor(s)

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