Interpretation of the Recombination Lifetime in Halide Perovskite Devices by Correlated Techniques
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Título
Interpretation of the Recombination Lifetime in Halide Perovskite Devices by Correlated TechniquesAutoría
Fecha de publicación
2022-08-03Editor
American Chemical SocietyISSN
1948-7185Cita bibliográfica
Interpretation of the Recombination Lifetime in Halide Perovskite Devices by Correlated Techniques Juan Bisquert The Journal of Physical Chemistry Letters 2022 13 (31), 7320-7335 DOI: 10.1021/acs.jpclett.2c01776Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/acceptedVersionPalabras clave / Materias
Resumen
The recombination lifetime is a central quantity of optoelectronic devices, as it controls properties such as the open-circuit voltage and light emission rates. Recently, the lifetime properties of halide perovskite ... [+]
The recombination lifetime is a central quantity of optoelectronic devices, as it controls properties such as the open-circuit voltage and light emission rates. Recently, the lifetime properties of halide perovskite devices have been measured over a wide range of the photovoltage, using techniques associated with a steady state by small perturbation methods. It has been remarked that observation of the lifetime is affected by different additional properties of the device, such as multiple trapping effects and capacitive charging. We discuss the meaning of delay factors in the observations of recombination lifetime in halide perovskites. We formulate a general equivalent circuit model that is a basis for the interpretation of all the small perturbation techniques. We discuss the connection of the recombination model to the previous reports of impedance spectroscopy of halide perovskites. Finally, we comment on the correlation properties of the different light-modulated techniques. [-]
Publicado en
J. Phys. Chem. Lett. 2022, 13, 31, 7320–7335Entidad financiadora
Ministerio de Ciencia e Innovación
Código del proyecto o subvención
PID2019-107348GB-100
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Copyright © 2022 American Chemical Society
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