Interpreting accelerated tests on perovskite modules using photooxidation of MAPbI3 as an example

• DOI: 10.1016/j.xcrp.2024.101969
• Publication Date: 2024-05-07T15:08:31Z
• Authors: Ingrid L. Repins; Michael Owen-Bellini; Michael D. Kempe; Michael G. Deceglie; Joseph J. Berry; Nutifafa Y. Doumon; Timothy J. Silverman; Laura T. Schelhas
• Keywords: Degradation; Accelerated aging

Solar panels (modules) based on metal halide perovskites are following a fast track to commercialization. Unlike more established solar cell materials, there not yet decades-long field observations increase consumer confidence. The "physics and chemistry of failure" approach is used in other industries estimates product degradation laboratory accelerated tests integrated with an understanding mechanisms. This work uses that quantify the relationship between projected behavior for perovskite modules. Degradation involving photooxidation methylammonium lead iodide illustrate method. Acceleration factors common found be low. Conclusions emphasize photovoltaics should interpreted as equivalent across module types or green light commercialization unless supported by appropriate data physics failure analysis.