Abstract
One of the renewable energy resources, solar is obtained from the solar radiations. The solar radiations are converted into electrical energy through the photovoltaic panel. The electrical yield of solar panel is mainly affected by optical and thermal losses which are caused due to reflection and temperature variations. These temperature and reflective variations also reduce the lifetime of the panel. The main intention of this work is to use anti-reflective coatings to increase the efficiency of the solar cell by increasing the electrical yield through increasing the output power and thus causing a reduction in optical losses. The antireflective chemicals like aluminum oxide and tantalum pentoxide (Al2O3- Ta2O5-Al2O3) are coated as a double layer. A very thin film of the chemicals is deposited on the large area of 156 mm × 156 mm at the surface of the solar cell. By this method, the reflection loss has been reduced and efficiency has been increased. The FLIR thermal image is also included in this paper for the comparison of the results of uncoated and coated solar panel. This method is cost effective as the chemical agents used are economical which is advantageous compared to other methods.
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