Issue 3, 2024

Liquid-based electronic materials for bioelectronics: current trends and challenges

Abstract

Liquid-based materials have emerged as promising soft materials for bioelectronics due to their defect-free nature, conformability, robust mechanical properties, self-healing, conductivity, and stable interfaces. A liquid is infiltrated into a structuring material endowing the material with a liquid-like behavior. Liquid-based electronics with favorable features are being designed and engineered to meet requirements of practical applications. In this review, various types of liquid-based electronic materials and the recent progress on bioelectronics in multiple applications are summarized. Liquid-based electronic materials include ionic liquid hydrogel, nanomaterial-incorporated hydrogel, liquid metal, liquid-infused encapsulation, and liquid-based adhesive. These materials are demonstrated via electronic applications, including strain sensor, touch sensor, implantable stimulator, encapsulation, and adhesive as necessary components comprising electronics. Finally, the current challenges and future perspective of liquid-based electronics are discussed.

Keywords: Bioelectronics; Liquid metal; Soft electronics; Hydrogel electronics; Lubricant-infused.

Graphical abstract: Liquid-based electronic materials for bioelectronics: current trends and challenges

Article information

Article type
Review Article
Submitted
14 nov 2023
Accepted
19 feb 2024
First published
05 mar 2024
This article is Open Access
Creative Commons BY-NC license

Ind. Chem. Mater., 2024,2, 361-377

Liquid-based electronic materials for bioelectronics: current trends and challenges

K. Park, S. Park, Y. Jo, S. A. Kim, T. Y. Kim, S. Kim and J. Seo, Ind. Chem. Mater., 2024, 2, 361 DOI: 10.1039/D3IM00122A

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