Soft Sensors and Soft Circuits: Design, Implementation and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A:Physics".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 338

Special Issue Editors

Graduate School of Computer Science and Engineering, The University of Aizu, Tsuruga, Ikki-machi, Aizuwakamatsu 965-8580, Japan
Interests: motion capture; wearable sensors; smart devices
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Guest Editor
Research Center for Organic Electronics (ROEL), Yamagata University, 4-3-16, Jonan, Yonezawa 992-8510, Yamagata, Japan
Interests: organic material science; flexible device; tactile sensor

Special Issue Information

Dear Colleagues,

The rapid development of soft sensor and soft circuit technologies is redefining the boundaries of modern electronics and enabling the novel application of technologies in healthcare, wearable technology, robotics, and beyond. These innovations emphasize flexibility, adaptability, and integration, allowing for unprecedented interaction between technology and the human body or complex environments.

This Special Issue of Micromachines focuses on the design, implementation, and application of soft sensors and soft circuits, highlighting the transformative potential of these emerging technologies. Soft sensors, such as those integrated into e-textiles or wearable devices, offer robust solutions for monitoring physiological signals, environmental conditions, and mechanical deformation. Meanwhile, soft circuits, leveraging their flexible and conformal nature, allow seamless integration into unconventional form factors, creating pathways for innovative applications in wearable health monitoring, human–machine interfaces, and flexible robotics.

This Special Issue invites researchers, engineers, and industry professionals to share their latest findings, insights, and innovations. By showcasing interdisciplinary approaches and novel methodologies, this collection will contribute to shaping the future of soft sensor and circuit technologies, promoting new applications in the field and pushing the boundaries of what is possible.

We welcome the submission of articles that address challenges, propose novel solutions, and present the innovative implementation of soft sensors and circuits. Contributions can include original research, review articles, and case studies that reflect the latest trends and advancements in this dynamic field.

Dr. Lei Jing
Dr. Tomohito Sekine
Guest Editors

Manuscript Submission Information

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Keywords

  • e-textiles
  • e-skin
  • soft robotics
  • wearable sensors
  • flexible and stretchable electronics
  • human–machine interfaces
  • conductive polymers
  • self-healing sensors
  • hydrogel-based sensors
  • skin-mountable devices

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Published Papers (1 paper)

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Research

12 pages, 2357 KiB  
Article
MXene-Based High-Performance Soft Pressure Sensor Using Gel–Deep Eutectic Solvent Composite
by Riku Sasaki, Kaiin Tou, Shoma Kamanoi, Junya Yoshida, Yoshihito Takabe, Yasuyuki Miura, Eri Kamiya, Ayana Hirayama and Tomohito Sekine
Micromachines 2025, 16(5), 579; https://doi.org/10.3390/mi16050579 - 15 May 2025
Viewed by 166
Abstract
MXene, a layered nanocarbon material, exhibits excellent conductivity and solubility. Its high sensitivity also makes it useful for soft pressure sensors. However, the compatibility between sensitivity and fast responses in resistance-change sensors remains a major issue. This study developed an MXene-based high-performance soft [...] Read more.
MXene, a layered nanocarbon material, exhibits excellent conductivity and solubility. Its high sensitivity also makes it useful for soft pressure sensors. However, the compatibility between sensitivity and fast responses in resistance-change sensors remains a major issue. This study developed an MXene-based high-performance soft pressure sensor using a gel–deep eutectic solvent composite. The composite conductive material exhibited excellent solubility and printability in soft device fabrication. The aim of this work was to produce a high-quality soft pressure sensor that exhibited quick responses over a wide sensitivity range for detecting applied pressure. The sensors achieved high performance in terms of a high-speed response (40 ms) and good sensitivity (−0.0109 kPa−1). These results represent an advance in intelligent wearable sensing systems by combining materials science and electronic devices. Full article
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