期刊
JOURNAL OF LUMINESCENCE
卷 146, 期 -, 页码 256-262出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2013.09.049
关键词
Luminescent solar concentrator; Luminescent solar collector; LSC; Energy transfer; Luminescent; Foerster resonant energy transfer
类别
We demonstrate concentration-dependent Forster-type energy transfer in a luminescent solar concentrator (LSC) material containing two high quantum yield laser dyes in a PMMA matrix. FRET heterotransfer is shown to be approximately 50% efficient in the regime of 2 x 10(-3) molal acceptor dye by weight in the host polymer. The two dyes used have been well studied for solar concentrator applications: BASF's Lumogen Red 305, and Exciton Chemical Company's DCM both demonstrate desirable stability, quantum yield, and complementary absorption spectra. We demonstrate how multiple-dye LSC devices employing FRET increase the absorption of air mass 1.5 solar irradiance without affecting the self-absorption properties of the film. Color tunability may be achieved through the addition of additional absorbers while minimizing the impact on waveguide efficiency. (C) 2013 Elsevier B.V. All rights reserved.
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