期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 90, 期 18-19, 页码 3327-3338出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2005.09.021
关键词
up-conversion; silicon solar cells; limiting efficiency
Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode. (c) 2006 Elsevier B.V. All rights reserved.
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