7 October 2014 Luminescent optical epoxies for solar concentrators
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Abstract
In this work luminescent optical epoxy samples with micropatterning were fabricated. Five different photoluminescent materials were used as substance in the curing of epoxy resin to form luminescent epoxies of different colors. The absorbance spectra of the unpatterned epoxy samples were measured with spectrometer and the luminescence intensities of all fabricated luminescent epoxy samples were measured using custom made bispectrometer. The micropatterns were copied adequately in the epoxy surface, which would also suggest that nanopatterning would also be possible. Furthermore, the ability to pattern the surface allows fabrication of for example anti-reflective, hydrophobic and selfcleaning structures. Further investigation in different luminescent materials suitable for solar concentrator applications is required in order to develop current systems.
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Anni Partanen, Anni Partanen, Aapo Harju, Aapo Harju, Jarkko Mutanen, Jarkko Mutanen, Hanna Lajunen, Hanna Lajunen, Tuula Pakkanen, Tuula Pakkanen, Markku Kuittinen, Markku Kuittinen, } "Luminescent optical epoxies for solar concentrators", Proc. SPIE 9175, High and Low Concentrator Systems for Solar Energy Applications IX, 91750S (7 October 2014); doi: 10.1117/12.2061721; https://doi.org/10.1117/12.2061721
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