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Proceedings Paper

Luminescent solar concentrator improvement by stimulated emission
Author(s): Md Rejvi Kaysir; Simon Fleming; Rowan W. MacQueen; Timothy W. Schmidt; Alexander Argyros
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Paper Abstract

Luminescent solar concentrators (LSCs) offer the prospect of reducing the cost of solar energy, and are a promising candidate for building integrated photovoltaic (PV) structures. However, the realization of commercially viable efficiency of LSCs is currently hindered by reabsorption losses. In this work, a method is introduced for reducing reabsorption as well as improving directional emission in LSCs by using stimulated emission. Light from a seed laser (potentially an inexpensive laser diode) passes through the entire length of the LSC panel, modifying the emission spectrum of excited dye molecules such that it is spectrally narrower, at wavelengths that minimize reabsorption, and directed by the seed laser towards a small target PV cell. A mathematical model of such a system is presented which identifies different physical parameters responsible for the power conversion efficiency and gives the net effective output power.

Paper Details

Date Published: 22 December 2015
PDF: 5 pages
Proc. SPIE 9668, Micro+Nano Materials, Devices, and Systems, 96682S (22 December 2015); doi: 10.1117/12.2202787
Show Author Affiliations
Md Rejvi Kaysir, The Univ. of Sydney (Australia)
Simon Fleming, The Univ. of Sydney (Australia)
Rowan W. MacQueen, The Univ. of New South Wales (Australia)
Timothy W. Schmidt, The Univ. of New South Wales (Australia)
Alexander Argyros, The Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 9668:
Micro+Nano Materials, Devices, and Systems
Benjamin J. Eggleton; Stefano Palomba, Editor(s)

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