One-Shot Remote Integration of Macromolecular Synaptic Elements on a Chip for Ultrathin Flexible Neural Network System

© 2024 The Author(s). Advanced Materials Technologies published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2024) vom: 19. Mai, Seite e2402361
1. Verfasser: Lee, Jiyun (VerfasserIn)
Weitere Verfasser: Lee, Jaehoon, Bang, Hyeonsu, Yoon, Tae Woong, Ko, Jong Hwan, Zhang, Guobing, Park, Ji-Sang, Jeon, Il, Lee, Sungjoo, Kang, Boseok
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article ADC‐bipolar electropolymerization conductive polymers multi‐gate synaptic circuit one‐shot integrable electropolymerization organic electrochemical synaptic transistors
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520 |a The field of biomimetic electronics that mimic synaptic functions has expanded significantly to overcome the limitations of the von Neumann bottleneck. However, the scaling down of the technology has led to an increasingly intricate manufacturing process. To address the issue, this work presents a one-shot integrable electropolymerization (OSIEP) method with remote controllability for the deposition of synaptic elements on a chip by exploiting bipolar electrochemistry. Condensing synthesis, deposition, and patterning into a single fabrication step is achieved by combining alternating-current voltage superimposed on direct-current voltage-bipolar electropolymerization and a specially designed dual source/drain bipolar electrodes. As a result, uniform 6 × 5 arrays of poly(3,4-ethylenedioxythiophene) channels are successfully fabricated on flexible ultrathin parylene substrates in one-shot process. The channels exhibited highly uniform characteristics and are directly used as electrochemical synaptic transistor with synaptic plasticity over 100 s. The synaptic transistors have demonstrated promising performance in an artificial neural network (NN) simulation, achieving a high recognition accuracy of 95.20%. Additionally, the array of synaptic transistor is easily reconfigured to a multi-gate synaptic circuit to implement the principles of operant conditioning. These results provide a compelling fabrication strategy for realizing cost-effective and disposable NN systems with high integration density 
650 4 |a Journal Article 
650 4 |a ADC‐bipolar electropolymerization 
650 4 |a conductive polymers 
650 4 |a multi‐gate synaptic circuit 
650 4 |a one‐shot integrable electropolymerization 
650 4 |a organic electrochemical synaptic transistors 
700 1 |a Lee, Jaehoon  |e verfasserin  |4 aut 
700 1 |a Bang, Hyeonsu  |e verfasserin  |4 aut 
700 1 |a Yoon, Tae Woong  |e verfasserin  |4 aut 
700 1 |a Ko, Jong Hwan  |e verfasserin  |4 aut 
700 1 |a Zhang, Guobing  |e verfasserin  |4 aut 
700 1 |a Park, Ji-Sang  |e verfasserin  |4 aut 
700 1 |a Jeon, Il  |e verfasserin  |4 aut 
700 1 |a Lee, Sungjoo  |e verfasserin  |4 aut 
700 1 |a Kang, Boseok  |e verfasserin  |4 aut 
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773 1 8 |g year:2024  |g day:19  |g month:05  |g pages:e2402361 
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