Physical Model for the Current–Voltage Hysteresis and Impedance of Halide Perovskite Memristors
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Títol
Physical Model for the Current–Voltage Hysteresis and Impedance of Halide Perovskite MemristorsAutoria
Data de publicació
2022-03-01Editor
American Chemical SocietyISSN
2380-8195Cita bibliogràfica
Berruet, M.; Pérez-Martínez, J. C.; Romero, B.; Gonzales, C.; Al-Mayouf, A. M.; Guerrero, A.; Bisquert, J. Physical Model for the Current–Voltage Hysteresis and Impedance of Halide Perovskite Memristor. ACS Energy Lett. 2022, 7 (3), 1214-1222. DOI: 10.1021/acsenergylett.2c00121Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://pubs.acs.org/doi/abs/10.1021/acsenergylett.2c00121Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
An investigation of the kinetic behavior of MAPbI3 memristors shows that the onset voltage to a high conducting state depends strongly on the voltage sweep rate, and the impedance spectra generate complex capacitive ... [+]
An investigation of the kinetic behavior of MAPbI3 memristors shows that the onset voltage to a high conducting state depends strongly on the voltage sweep rate, and the impedance spectra generate complex capacitive and inductive patterns. We develop a dynamic model to describe these features and obtain physical insight into the coupling of ionic and electronic properties that produce the resistive switching behavior. The model separates the memristive response into distinct diffusion and transition-state-formation steps that describe well the experimental current–voltage curves at different scan rates and impedance spectra. The ac impedance analysis shows that the halide perovskite memristor response contains the composition of two inductive processes that provide a huge negative capacitance associated with inverted hysteresis. The results provide a new approach to understand some typical characteristics of halide perovskite devices, such as the inductive behavior and hysteresis effects, according to the time scales of internal processes. [-]
Publicat a
ACS Energy Lett. 2022, 7, 3, 1214-1222Entitat finançadora
Generalitat Valenciana | Ministerio de Ciencia, Innovación y Universidades | CONICET | Comunidad de Madrid | Universidad Rey Juan Carlos
Codi del projecte o subvenció
GRISOLIAP/2019/048 | MICIU/ICTI2017-2020/PID2019-107348GB-100 | Extern Fellowship 2020 | S2018/NMT-4326-SINFOTON2-CM | M2363
Drets d'accés
Copyright © 2022 The Authors. Published by American Chemical Society
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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