A Luminescent Solar Concentrator with 7.1% Power Conversion Efficiency
The Luminescent Solar Concentrator (LSC) consists of a transparent polymer plate, containing luminescent particles. Solar cells are connected to one or more sides of the polymer plate. Part of the light emitted by the luminescent particles is guided towards the solar cells by total internal reflection. This allows for concentration of sunlight without the need for solar tracking
External Quantum Efficiency (EQE) and current-voltage (IV) measurements were performed on LSC devices with mc-Si or GaAs cells attached to the sides. The best result was obtained for an LSC with four GaAs cells. The power conversion efficiency of this device, as measured at ECN and confirmed by ESTI, was 7.1%. With only one GaAs cell attached, the power efficiency was still as high as 4.6%.
To our knowledge these efficiencies are among the highest reported for the LSC.
SLOOF Lenneke;
BENDE Evert;
BURGERS Teun;
BUDEL Tristram;
PRAVETTONI Mauro;
KENNY Robert;
DUNLOP Ewan;
BUCHTEMANN Andreas;
2008-12-10
WILEY-V C H VERLAG GMBH
JRC46925
1862-6254,
https://publications.jrc.ec.europa.eu/repository/handle/JRC46925,
10.1002/pssr.200802186,
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