Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor

Abstract Recent advancements in artificial intelligence (AI) have highlighted the critical need for energy‐efficient hardware solutions, especially in edge‐computing applications. However, traditional AI approaches are plagued by significant power consumption. In response, researchers have turned to...

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Main Authors: Fabian Gärisch, Vincent Schröder, Emil J. W. List‐Kratochvil, Giovanni Ligorio
Format: Article
Language:English
Published: Wiley-VCH 2024-12-01
Series:Advanced Electronic Materials
Subjects:
Online Access:https://doi.org/10.1002/aelm.202400479
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author Fabian Gärisch
Vincent Schröder
Emil J. W. List‐Kratochvil
Giovanni Ligorio
author_facet Fabian Gärisch
Vincent Schröder
Emil J. W. List‐Kratochvil
Giovanni Ligorio
author_sort Fabian Gärisch
collection DOAJ
description Abstract Recent advancements in artificial intelligence (AI) have highlighted the critical need for energy‐efficient hardware solutions, especially in edge‐computing applications. However, traditional AI approaches are plagued by significant power consumption. In response, researchers have turned to biomimetic strategies, drawing inspiration from the ion‐mediated operating principle of biological synapses, to develop organic neuromorphic devices as promising alternatives. Organic mixed ionic‐electronic conductor (OMIEC) materials have emerged as particularly noteworthy in this field, due to their potential for enhancing neuromorphic computing capabilities. Together with device performance, it is crucial to select devices that allow fabrication via scalable techniques. This study investigates the fabrication of OMIEC‐based neuromorphic devices using inkjet printing, providing a scalable and material‐efficient approach. Employing a commercially available polymer mixed ionic‐electronic conductor (BTEM‐PPV) and a lithium salt, inkjet‐printed devices exhibit performance comparable to those fabricated via traditional spin‐coating methods. These two‐terminal neuromorphic devices demonstrate functionality analogous to literature‐known devices and demonstrate promising frequency‐dependent short‐term plasticity. Furthermore, comparative studies with previous light‐emitting electrochemical cells (LECs) and neuromorphic OMIEC devices validate the efficacy of inkjet printing as a potential fabrication technique. The findings suggest that inkjet printing is suitable for large‐scale production, offering reproducible and stable fabrication processes. By adopting the OMIEC material system, inkjet printing holds the potential for further enhancing device performance and functionality. Overall, this study underscores the viability of inkjet printing as a scalable fabrication method for OMIEC‐based neuromorphic devices, paving the way for advancements in AI hardware.
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institution Kabale University
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spelling doaj-art-afd7586b07214967b3ccec77b51fd0b42025-01-09T11:51:13ZengWiley-VCHAdvanced Electronic Materials2199-160X2024-12-011012n/an/a10.1002/aelm.202400479Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic ConductorFabian Gärisch0Vincent Schröder1Emil J. W. List‐Kratochvil2Giovanni Ligorio3Humboldt‐Universität zu Berlin Institut für Physik Institut für Chemie Zum Großen Windkanal 2 12489 Berlin GermanyHumboldt‐Universität zu Berlin Institut für Physik Institut für Chemie Zum Großen Windkanal 2 12489 Berlin GermanyHumboldt‐Universität zu Berlin Institut für Physik Institut für Chemie Zum Großen Windkanal 2 12489 Berlin GermanyHumboldt‐Universität zu Berlin Institut für Physik Institut für Chemie Zum Großen Windkanal 2 12489 Berlin GermanyAbstract Recent advancements in artificial intelligence (AI) have highlighted the critical need for energy‐efficient hardware solutions, especially in edge‐computing applications. However, traditional AI approaches are plagued by significant power consumption. In response, researchers have turned to biomimetic strategies, drawing inspiration from the ion‐mediated operating principle of biological synapses, to develop organic neuromorphic devices as promising alternatives. Organic mixed ionic‐electronic conductor (OMIEC) materials have emerged as particularly noteworthy in this field, due to their potential for enhancing neuromorphic computing capabilities. Together with device performance, it is crucial to select devices that allow fabrication via scalable techniques. This study investigates the fabrication of OMIEC‐based neuromorphic devices using inkjet printing, providing a scalable and material‐efficient approach. Employing a commercially available polymer mixed ionic‐electronic conductor (BTEM‐PPV) and a lithium salt, inkjet‐printed devices exhibit performance comparable to those fabricated via traditional spin‐coating methods. These two‐terminal neuromorphic devices demonstrate functionality analogous to literature‐known devices and demonstrate promising frequency‐dependent short‐term plasticity. Furthermore, comparative studies with previous light‐emitting electrochemical cells (LECs) and neuromorphic OMIEC devices validate the efficacy of inkjet printing as a potential fabrication technique. The findings suggest that inkjet printing is suitable for large‐scale production, offering reproducible and stable fabrication processes. By adopting the OMIEC material system, inkjet printing holds the potential for further enhancing device performance and functionality. Overall, this study underscores the viability of inkjet printing as a scalable fabrication method for OMIEC‐based neuromorphic devices, paving the way for advancements in AI hardware.https://doi.org/10.1002/aelm.202400479inkjet printinglight‐emitting electrochemical cellsmixed ionic‐electronic conductororganic neuromorphic devices
spellingShingle Fabian Gärisch
Vincent Schröder
Emil J. W. List‐Kratochvil
Giovanni Ligorio
Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
Advanced Electronic Materials
inkjet printing
light‐emitting electrochemical cells
mixed ionic‐electronic conductor
organic neuromorphic devices
title Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
title_full Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
title_fullStr Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
title_full_unstemmed Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
title_short Scalable Fabrication of Neuromorphic Devices Using Inkjet Printing for the Deposition of Organic Mixed Ionic‐Electronic Conductor
title_sort scalable fabrication of neuromorphic devices using inkjet printing for the deposition of organic mixed ionic electronic conductor
topic inkjet printing
light‐emitting electrochemical cells
mixed ionic‐electronic conductor
organic neuromorphic devices
url https://doi.org/10.1002/aelm.202400479
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