High irradiance performance of cesium-formamidinium-based mixed-halide perovskite for concentrator photovoltaics under various operating conditions

Abstract

Solar concentrator has been successfully implemented in photovoltaic (PV) technologies to deliver high power conversion efficiency (PCE). However, this interesting approach has not been sufficiently investigated so far for perovskites solar cells (PSCs), in spite of its frequent use in the field of inorganic semiconductor solar cells. Herein, we evaluate the feasibility of using cesium-formamidinium-based mixed-halide perovskite for Concentrator photovoltaics (CPVs), we assess their performance parameters under concentrated irradiance, and we derive the temperature sensitivity of perovskite concentrator solar cells (PCSCs). A combined opto-electronic model is developed to improve the proposed perovskite solar cell (PSC) device and achieve the highest possible efficiencies. Simulation results show that PSC can exhibit appreciably higher PCE under a wide range of light intensities, and reaches a peak efficiency of 24.93% under 40 Suns, as compared to 22.46% under 1 Sun. Importantly, the temperature sensitivity of PCE of PSC reduces under solar concentration. Therefore, our work reveals that solar concentrator could be the possible new developing guidance for PSCs to reach higher PCEs and reduce cost.