New perspectives in outdoors tracking and characterization of perovskite solar cells
Iván Mora-Seró a
a Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló de la Plana, Castelló 12006, Spain
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
València, Spain, 2022 May 19th - 25th
Organizers: Pablo Docampo, Eva Unger and Elizabeth Gibson
Invited Speaker Session, Iván Mora-Seró, presentation 090
DOI: https://doi.org/10.29363/nanoge.hopv.2022.090
Publication date: 20th April 2022

Outdoor conditions are highly demanding, as they are characterized by day–night, seasonal and weather cycles that correspond to drastic variations in irradiation, temperature and moisture. While accelerated performance tests are useful for predicting the behaviour of devices, continuous outdoor tests are also required to provide information on the applicability of this technology in the real world. Consequently out door characterization is a mandatory step for the future implementation of halide perovskite photovoltaics. Nevertheless, there are not many works focusing on this topic. In this talk we show as low dependence of the open-circuit voltage on the temperature of a MAPbI3 minimodule allows a high-throughput outdoor analysis based on the ideality factor, that can be correlated with the recombination mechanism. This methodology complement the analysis obtained with the figure of merit T80, parameter that refers to the time at which the device reaches 80% of its initial rated power, providing further physical insight into the recombination mechanism dominating the performance, and consequently improving the understanding of the degradation processes and device characterization.

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