Organo-metal halide perovskites represent a new paradigm for photovoltaics, possessing the propensity to overcome the performance limits of present technologies and achieve low cost and high efficiency and appreciable stability. Recently, efficiencies in excess of 22% has been recorded, but very little is known about their operational characteristics under thermal stress. This paper summarizes the research that focused on the achievements made in the field of perovskite photovoltaics, as well as the principal hurdles to the commercialization of perovskites. In this work, numerical modeling of the planar N-I-P architectural structure (Glass +SnO2:F /TiO2/CH3NH3PbI3/Spiro-OMeTAD/Au) of the Methylammonium Lead Iodide Perovskite Solar Cell was performed for the efficiency improvement of the solar cell. A promising result was achieved with Power Conversion Efficiency (PCE) of 29.31%, Fill Factor (FF) 82.63 %, short-circuit current density (JSC) 23.55 mA/cm2 and open circuit voltage (VOC) 1.51 V. Simulation of the modeled perovskite solar cell was executed using Solar Cell Capacitance Simulator (SCAPS-1D). At higher temperatures, the solar cell’s carrier concentration, band gaps, electron and hole mobilities were affected, thus the lower power conversion efficiency. In contrast to the nominal trend where recoded models have their best efficiencies at temperature (measured in Kelvin, K) 300K before consistently decreasing, it was observed that the Power Conversion Efficiency of this model appreciated above 300K hitting a peak efficiency of 29.3445% at 325K, maintained a high efficiency through 355K. The results presented will give a valuable guideline for the feasible fabrication and designing of thermally stable and high power conversion efficiency perovskite solar cells.
Perovskite Solar Cell, Commercialization, Thermal Stability, Numerical Modeling
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