Abstract
A luminescent solar concentrator based on Nd 3+ and Cr 3+ doubly doped lithium aluminium phosphate glass for solar energy conversion applications has been presented. Absorption and fluorescence spectra and quantum yield of lithium aluminium phosphate glasses are reported. The dependence of the light concentration coefficient versus dopant concentration and attenuation of the guided light in the luminescent solar concentrator have been studied. The best results were obtained for glass doped with 0.07 × 10 20 ions/cm 3 of Cr 3+ and 6.97 × 10 20 ions/cm 3 of Nd 3+. In addition, technology and properties of silicon solar cells operating with luminescent solar concentrators have been briefly outlined.
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