Advances in Ultrathin Soft Sensors, Integrated Materials, and Manufacturing Technologies for Enhanced Monitoring of Human Physiological Signals

Author:

Kim Hodam12,Lee Yoon Jae13,Byun Garan4,Choi Chanyoung12,Yeo Woon‐Hong125ORCID

Affiliation:

1. IEN Center for Human‐Centric Interfaces and Engineering Institute for Electronics and Nanotechnology Georgia Institute of Technology Atlanta GA 30332 USA

2. George W. Woodruff School of Mechanical Engineering College of Engineering Georgia Institute of Technology Atlanta GA 30332 USA

3. School of Electrical and Computer Engineering College of Engineering Georgia Institute of Technology Atlanta GA 30332 USA

4. Department of Electrical Engineering Hanyang University Seoul 04763 Republic of Korea

5. Wallace H. Coulter Department of Biomedical Engineering Parker H. Petit Institute for Bioengineering and Biosciences Institute for Materials Institute for Robotics and Intelligent Machines Neural Engineering Center Georgia Institute of Technology Atlanta GA 30332 USA

Abstract

AbstractRecent advances in soft sensors and flexible electronics offer various applications in detecting physical, electrical, and chemical signals. However, there are still technical barriers in current mechanical, electrical, and material properties for enhanced signal sensing. When measuring signals from the human skin, minimizing the skin‐sensor contact impedance is still challenging while maximizing sensitivity through optimized materials and soft electronics. Here, this review summarizes recent advances in materials, manufacturing, and integration technologies to develop ultrathin soft sensors for monitoring various human physiological signals. The enhancements in soft and compliant structures and mechanical properties are critical to making reliable wearable electronic systems. This article shares the details of soft sensors, integration processes, manufacturing methods, and their applications to target physical, electrical, and chemical signals. In addition, the limitations and current trends in developing multifunctional sensors, self‐powered devices, and integration with external stimuli systems are discussed.

Funder

National Science Foundation

Centers for Disease Control and Prevention

Publisher

Wiley

Subject

Electronic, Optical and Magnetic Materials

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