From Frequency Domain to Time Transient Methods for Halide Perovskite Solar Cells: The Connections of IMPS, IMVS, TPC, and TPV
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From Frequency Domain to Time Transient Methods for Halide Perovskite Solar Cells: The Connections of IMPS, IMVS, TPC, and TPVData de publicació
2021-08-26Editor
American Chemical SocietyISSN
1948-7185Cita bibliogràfica
Juan Bisquert and Mathijs Janssen The Journal of Physical Chemistry Letters 2021 12 (33), 7964-7971 DOI: 10.1021/acs.jpclett.1c02065Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://pubs.acs.org/journal/jpclcdVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
The correlation of different methods of measurement can become an important tool to identify the dominant physical elements that govern the electronic and ionic dynamics in perovskite solar cells. The diverse phenomena ... [+]
The correlation of different methods of measurement can become an important tool to identify the dominant physical elements that govern the electronic and ionic dynamics in perovskite solar cells. The diverse phenomena underlying the response of halide perovskite materials to different stimuli are reflected in time-domain measurements, where transients appear with time scales spanning orders of magnitude, from nanoseconds to hours. We discuss the connection between different frequency- and time-domain methods to probe the voltage and current response of halide perovskite solar cells to different small perturbations. To solve the frequency-to-time transformation, we start from models of the transfer function of intensity-modulated photocurrent spectroscopy (IMPS) and derive the associated impulse response function, the transient photocurrent (TPC), in response to a short light pulse. Similarly, we determine the transient photovoltage (TPV) starting from the intensity-modulated photovoltage spectroscopy (IMVS) transfer function. We also discuss the open-circuit voltage decays (OCVD). We first show the response of simple equivalent circuit models, and then we treat the full model for generation–diffusion–recombination of electrons that shows a spiraling loop in IMPS. This model gives rise to overshoots in the time domain. [-]
Publicat a
J. Phys. Chem. Lett. 2021, 12, 7964−7971Dades relacionades
https://pubs.acs.org/doi/10.1021/acs.jpclett.1c02065Entitat finançadora
Ministerio de Ciencia e Innovación
Codi del projecte o subvenció
PID2019- 107348GB-100
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© 2021 The Authors. Published by American Chemical Society
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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