Embargo End Date:
Said, Ahmed Ali
de Bastiani, Michele
De Wolf, Stefaan
KAUST DepartmentKAUST Solar Center (KSC)
Physical Science and Engineering (PSE) Division
Imaging and Characterization Core Lab
Material Science and Engineering Program
KAUST Grant NumberIED OSR-2019-4208
Embargo End Date2023-08-12
Permanent link to this recordhttp://hdl.handle.net/10754/680257
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AbstractComprehensive temperature-dependent optical modeling of perovskite solar cells (PSCs) and modules is essential to accurately predict their energy yield and quantify their energy losses under real-world operating conditions, where devices are subject to different irradiance spectra and intensities as well as operating temperatures. These models require the accurate determination of the temperature-dependent optical constants of perovskites. Here, we report on these data, empirically determined via spectroscopic ellipsometry, for triple-cation perovskites with band gaps ranging between 1.58 and 1.77 eV at temperatures between 25 and 75 °C. Using this data set, we develop a simple empirical model to obtain the temperature-dependent optical constants of perovskites of an arbitrary band gap. We validate our empirical model by comparing the measured temperature-dependent short-circuit current densities and external quantum efficiency data of single-junction PSCs with simulated results using the modeled optical constants.
CitationRaja, W., Allen, T. G., Said, A. A., Alharbi, O., Aydin, E., De Bastiani, M., & De Wolf, S. (2022). Temperature-Dependent Optical Modeling of Perovskite Solar Cells. The Journal of Physical Chemistry C. https://doi.org/10.1021/acs.jpcc.2c04768
SponsorsThis work was supported by the King Abdullah University of Science and Technology (KAUST) under Award No: OSR-CARF/CCF-3079, OSR-CRG2019-4093, OSR-CRG2020-4350, IED OSR-2019-4208, IED OSR-2019-4580, REI/1/4833-01-01, and OSR-CRG2018-3737.
PublisherAmerican Chemical Society (ACS)