Proceedings of MATSUS Fall 2023 Conference (MATSUSFall23)
Publication date: 18th July 2023
The current density-voltage characteristic (JV) is a critical tool for understanding the behavior of solar cells. However, it is often only used to quantify a solar cell's power conversion efficiency. In this poster, I will present an overview of the key aspects of JV analysis and introduce a user-friendly flowchart that facilitates the swift identification of the most probable limiting process in a solar cell, based mainly on the outcomes of light-intensity-dependent JV measurements. The flowchart was developed through extensive drift-diffusion simulations and a rigorous literature review, specifically focusing on perovskite solar cells. All simulations were performed using the open-source drift-diffusion simulation package SIMsalabim and are easily reproducible with the available Python scripts linked in the poster. Moreover, the flowchart proposes supplementary experiments that can be conducted to obtain a more precise prediction of the primary performance losses. It therefore serves as an optimal starting point to analyse the performance losses of solar cells.
The authors would like to express their gratitude to L. J. A. Koster and S. Kahmann for the valuable feedback provided. A.T. gratefully acknowledges funding of the Erlangen Graduate School in Advanced Optical Technologies (SAOT) by the Bavarian State Ministry for Science and Art.
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