Abstract

With the goal of reducing manufacturing costs and material inputs and increasing solar cell efficiencies, research into solar cells is increasingly focusing on new cell design concepts including thin film, organic, and textured surface solar cells. In this numerical study, the absorption enhancement of silicon on addition of silver nanoparticles over the silicon layer of a silicon solar cell is systematically investigated via Finite Difference Time Domain method. The effects of nanoparticle size and period on the absorption enhancement is thoroughly analysed. The results demonstrate that the light absorption is significantly improved because of the localized surface plasmon resonance of the silver nanoparticles.

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