Fluoropolymer-based organic memristor with multifunctionality for flexible neural network system

Min Hwi Kim, Hea Lim Park, Min Hoi Kim, Jaewon Jang, Jin Hyuk Bae, In Man Kang, Sin Hyung Lee

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

In this study, we propose an effective strategy for achieving the flexible one organic transistor–one organic memristor (1T–1R) synapse using the multifunctional organic memristor. The dynamics of the conductive nanofilament (CF) in a hydrophobic fluoropolymer medium is explored and a hydrophobic fluoropolymer-based organic memristor is developed. The flexible 1T–1R synapse can be fabricated using the solution process because the hydrophobic fluorinated polymer layer is produced on the organic transistor without degradation of the underlying semiconductor. The developed flexible synapse exhibits multilevel conductance with high reliability and stability because of the fluoropolymer film, which acts as a medium for CF growth and an encapsulating layer for the organic transistor. Moreover, the synapse cell shows potential for high-density memory systems and practical neural networks. This effective concept for developing practical flexible neural networks would be a basic platform to realize the smart wearable electronics.

Original languageEnglish
Article number34
Journalnpj Flexible Electronics
Volume5
Issue number1
DOIs
StatePublished - Dec 2021

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