Improve the Performance Efficiency of Solar Cell by Using Epoxy plates doped with Rhodamine 6G dye تحسين أداء الخلايا السليكونية بأستخدام المركزات الوميضية المتفلورة-

Abstract

In this study the Luminescent Solar Concentrator (LSC) plates have been prepared with different concentrations (1E-5 , 2E-5 , 3E-5 , 5E-5 , 7E-5 , 1E-4 ) mol/L of (Rhodamine 6G) organic dye doped epoxy resin. The optical properties of dye, doped and un-doped epoxy, was measured. The solar-to-electric conversion efficiencies of several (LSC) modules based on (R6G) were measured. It was found that the conversion efficiency depend on dye concentration in the (LSC) . The best conversion efficiency improvement for a modules Si-solar cell of dimensions of (10cm x 20cm) covered with (LSC) had dye concentration (2E-5) was ( 7.897%) (i.e. with efficiency increment (∆η=12.3%) compared with the same module without LSC). It was found that Rhodamine (6G) doped epoxy resin exhibited properties which give it a potential to improve the (Si) solar cell performance efficiency, namely a wide absorption range (530-560) nm , (97 %) quantum yield, and the highest photo-stability of Rhodamine (6G) dye, although the overlap of the absorption and emission spectra results in reabsorption (RA) losses.