Improvement of photon management in partial rear contact solar cells using a combination of DBR and Mie scatterers

摘要: Abstract In this article, we present systematic simulations and numerical analysis of a novel light trapping scheme in partial rear contact (PRC) solar cell involving combined effect located Distributed Bragg Reflectors (DBRs) Mie scatterers comprising dielectric nanoparticles (DNP), thereby, enhancing the efficiency device. We have studied three different types DBRs combination with embedded silica (SiO 2 ) DNPs which scatter into silicon substrate PRC c-Si cell. The materials for are chosen such way that they may serve dual purpose reflecting more than 90% incident at surface passivating it as well. internal reflection from surface, absorption enhancement ratio average scattering angle been computed 3-dimensional finite difference time domain (FDTD) performing later on. Further, these results used basic to extract parameters like short circuit current density, open voltage, fill factor, reverse saturation density It has observed significant increase can be achieved cells having 10–100 µm thick substrates by incorporating scheme. Beyond 100 µm thickness, conversion approaches value. Moreover, DBR maximum near 50 µm thickness thereby improving baseline ~20.3% an absolute value 22.9%. This study opens up new perspective management using advantages highly reflective incorporated rather simple inexpensive thin (