Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency Techniques
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Otros documentos de la autoría: Bou, Agustín; Pockett, Adam; Raptis, Dimitrios; Watson, Trystan; Carnie, Matt; Bisquert, Juan
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Título
Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency TechniquesAutoría
Fecha de publicación
2020-09-21Editor
American Chemical SocietyISSN
1948-7185Cita bibliográfica
BOU, Agustín, et al. Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency Techniques. The Journal of Physical Chemistry Letters, 2020, vol. 11, no 20, p. 8654-8659.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://pubs.acs.org/journal/jpclcdVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Small perturbation techniques have proven to be useful tools for the investigation of perovskite solar cells. A correct interpretation of the spectra given by impedance spectroscopy (IS), intensity-modulated photocurrent ... [+]
Small perturbation techniques have proven to be useful tools for the investigation of perovskite solar cells. A correct interpretation of the spectra given by impedance spectroscopy (IS), intensity-modulated photocurrent spectroscopy (IMPS), and intensity-modulated photovoltage spectroscopy (IMVS) is key for the understanding of device operation. The utilization of a correct equivalent circuit to extract real parameters is essential to make this good interpretation. In this work, we present an equivalent circuit, which is able to reproduce the general and the exotic behaviors found in impedance spectra. From the measurements, we demonstrate that the midfrequency features that may appear to depend on the active layer thickness, and we also prove the spectral correlation of the three techniques that has been suggested theoretically. [-]
Publicado en
J. Phys. Chem. Lett. 2020, 11, 8654−8659Datos relacionados
https://pubs.acs.org/doi/10.1021/acs.jpclett.0c02459Entidad financiadora
Ministerio de Ciencia e Innovación | EPSRC | Welsh European Funding Office
Código del proyecto o subvención
PID2019- 107348GB-100 | BES-2017-080351 | EP/N020863/1 | EP/R032750/1 | EP/M015254/2 | EP/P032591/1 | SPARC II
Derechos de acceso
Copyright © 2020 American Chemical Society
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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