Soft Artificial Synapse Electronics

Soft electronics, known for their bendable, stretchable, and flexible properties, are revolutionizing fields such as biomedical sensing, consumer electronics, and robotics. A primary challenge in this domain is achieving low power consumption, often hampered by the limitations of the conventional vo...

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Main Authors: Md. Rayid Hasan Mojumder, Seongchan Kim, Cunjiang Yu
Format: Article
Language:English
Published: American Association for the Advancement of Science (AAAS) 2025-01-01
Series:Research
Online Access:https://spj.science.org/doi/10.34133/research.0582
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author Md. Rayid Hasan Mojumder
Seongchan Kim
Cunjiang Yu
author_facet Md. Rayid Hasan Mojumder
Seongchan Kim
Cunjiang Yu
author_sort Md. Rayid Hasan Mojumder
collection DOAJ
description Soft electronics, known for their bendable, stretchable, and flexible properties, are revolutionizing fields such as biomedical sensing, consumer electronics, and robotics. A primary challenge in this domain is achieving low power consumption, often hampered by the limitations of the conventional von Neumann architecture. In response, the development of soft artificial synapses (SASs) has gained substantial attention. These synapses seek to replicate the signal transmission properties of biological synapses, offering an innovative solution to this challenge. This review explores the materials and device architectures integral to SAS fabrication, emphasizing flexibility and stability under mechanical deformation. Various architectures, including floating-gate dielectric, ferroelectric-gate dielectric, and electrolyte-gate dielectric, are analyzed for effective weight control in SASs. The utilization of organic and low-dimensional materials is highlighted, showcasing their plasticity and energy-efficient operation. Furthermore, the paper investigates the integration of functionality into SASs, particularly focusing on devices that autonomously sense external stimuli. Functionalized SASs, capable of recognizing optical, mechanical, chemical, olfactory, and auditory cues, demonstrate promising applications in computing and sensing. A detailed examination of photo-functionalized, tactile-functionalized, and chemoreception-functionalized SASs reveals their potential in image recognition, tactile sensing, and chemosensory applications, respectively. This study highlights that SASs and functionalized SAS devices hold transformative potential for bioelectronics and sensing for soft-robotics applications; however, further research is necessary to address scalability, long-time stability, and utilizing functionalized SASs for prosthetics and in vivo applications through clinical adoption. By providing a comprehensive overview, this paper contributes to the understanding of SASs, bridging research gaps and paving the way toward transformative developments in soft electronics, biomimicking and biointegrated synapse devices, and integrated systems.
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spelling doaj-art-8757dee4c2c940068d72a20805d930422025-01-28T08:00:21ZengAmerican Association for the Advancement of Science (AAAS)Research2639-52742025-01-01810.34133/research.0582Soft Artificial Synapse ElectronicsMd. Rayid Hasan Mojumder0Seongchan Kim1Cunjiang Yu2Department of Electrical Engineering, The Pennsylvania State University, University Park, PA 16802, USA.Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, Urbana, IL 61801, USA.Soft electronics, known for their bendable, stretchable, and flexible properties, are revolutionizing fields such as biomedical sensing, consumer electronics, and robotics. A primary challenge in this domain is achieving low power consumption, often hampered by the limitations of the conventional von Neumann architecture. In response, the development of soft artificial synapses (SASs) has gained substantial attention. These synapses seek to replicate the signal transmission properties of biological synapses, offering an innovative solution to this challenge. This review explores the materials and device architectures integral to SAS fabrication, emphasizing flexibility and stability under mechanical deformation. Various architectures, including floating-gate dielectric, ferroelectric-gate dielectric, and electrolyte-gate dielectric, are analyzed for effective weight control in SASs. The utilization of organic and low-dimensional materials is highlighted, showcasing their plasticity and energy-efficient operation. Furthermore, the paper investigates the integration of functionality into SASs, particularly focusing on devices that autonomously sense external stimuli. Functionalized SASs, capable of recognizing optical, mechanical, chemical, olfactory, and auditory cues, demonstrate promising applications in computing and sensing. A detailed examination of photo-functionalized, tactile-functionalized, and chemoreception-functionalized SASs reveals their potential in image recognition, tactile sensing, and chemosensory applications, respectively. This study highlights that SASs and functionalized SAS devices hold transformative potential for bioelectronics and sensing for soft-robotics applications; however, further research is necessary to address scalability, long-time stability, and utilizing functionalized SASs for prosthetics and in vivo applications through clinical adoption. By providing a comprehensive overview, this paper contributes to the understanding of SASs, bridging research gaps and paving the way toward transformative developments in soft electronics, biomimicking and biointegrated synapse devices, and integrated systems.https://spj.science.org/doi/10.34133/research.0582
spellingShingle Md. Rayid Hasan Mojumder
Seongchan Kim
Cunjiang Yu
Soft Artificial Synapse Electronics
Research
title Soft Artificial Synapse Electronics
title_full Soft Artificial Synapse Electronics
title_fullStr Soft Artificial Synapse Electronics
title_full_unstemmed Soft Artificial Synapse Electronics
title_short Soft Artificial Synapse Electronics
title_sort soft artificial synapse electronics
url https://spj.science.org/doi/10.34133/research.0582
work_keys_str_mv AT mdrayidhasanmojumder softartificialsynapseelectronics
AT seongchankim softartificialsynapseelectronics
AT cunjiangyu softartificialsynapseelectronics