PEDOT:PSS-Based Prolonged Long-Term Decay Synaptic OECT with Proton-Permeable Material, Nafion.
Macromol Rapid Commun
; : e2400165, 2024 Jun 25.
Article
em En
| MEDLINE
| ID: mdl-38924243
ABSTRACT
Poly(3,4-ethylenedioxythiophene)polystyrene sulfonate (PEDOTPSS), a conductive polymer, has gained popularity as the channel layer in organic electrochemical transistors (OECTs) due to its high conductivity and straightforward processing. However, difficulties arise in controlling its conductivity through gate voltage, presenting a challenge. To address this issue, aromatic amidine base, diazabicyclo[4.3.0]non-5-ene (DBN), is used to stabilize the doping state of the PEDOT chain through a reliable chemical de-doping process. Furthermore, the addition of the proton-penetrable material Nafion to the PEDOTPSS channel layer induces phase separation between the substances. By utilizing a solution containing both PEDOTPSS and Nafion as the channel layer of OECTs, the efficiency of ion movement into the channel from the electrolyte is enhanced, resulting in improved OECT performance. The inclusion of Nafion in the OECTs' channel layer modifies ion movement dynamics, allowing for the adjustment of synaptic properties such as pulse-paired facilitation, memory level, short-term plasticity, and long-term plasticity. This research aims to introduce new possibilities in the field of neuromorphic computing and contribute to biomimetic technology through the enhancement of electronic component performance.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Macromol Rapid Commun
Ano de publicação:
2024
Tipo de documento:
Article