Understanding degradation in metal halide perovskite solar cells and modules
Laura Schelhas a
a Center for Chemistry and Nanoscience, National Renewable Energy Laboratory, Golden, USA, Denver West Parkway, Golden, United States
Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)
#PerFut - Metal Halide Perovskites Fundamental Approaches and Technological Challenges
VALÈNCIA, Spain, 2023 March 6th - 10th
Organizers: Wang Feng, Giulia Grancini and Pablo P. Boix
Invited Speaker, Laura Schelhas, presentation 113
DOI: https://doi.org/10.29363/nanoge.matsus.2023.113
Publication date: 22nd December 2022

Metal-Halide Perovskite (MHP) photovoltaic (PV) modules are at the cusp of commercialization. One major hurdle that remains is establishing confidence in long-term field performance and durability of MHP modules. A lot of progress has been made in addressing many performance stability issues in MHP cells and modules; however, there is still work to be done to understand degradation and demonstrate real world operation of this technology. In this talk I will share examples of both lab-scale and field studies to improve our understanding of MHP solar cell and module degradation mechanisms. First, I will discuss an application of X-ray scattering methods to probe the nanoscale heterogeneity of metal halide perovskite absorber layers and couple these results to device level stability studies to understand the role heterogeneity plays in device performance. I will then present a brief overview of an initial field demonstration of MHP modules as part of the Perovskite PV Accelerator for Commercializing Technologies (PACT) program. Together this work aims to improve our confidence in real world MHP module performance.

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