Bioinspired Ultra‐Robust Ionogels Constructed with Soft‐Rigid Confinement Space for Multimodal Monitoring Electronics

Author:

Wang Jingwen1,Zheng Yapeng1,Cui Tianyang1,Huang Tingya1,Liu Haodong2,Zhu Jixin1ORCID,Song Lei1,Hu Yuan1

Affiliation:

1. State Key Laboratory of Fire Science University of Science and Technology of China 443 Huangshan Road Hefei 230027 P. R. China

2. Frontiers Science Center for Flexible Electronics (FSCFE) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P. R. China

Abstract

AbstractIonogels are compelling materials for flexible hybrid electronics owing to their attractive physical properties and infinite adjustability of chemical structures. However, ionogels must be sufficiently strong to ensure durability, stability, and a wide range of strains in various applications to make electronic systems mechanically compliant. Inspired by the hierarchical structure of multiphase substances in the skin, it is fabricated several transparent (>90%) and ultra‐robust (tensile strength >17 MPa, toughness >40 MJ m−3, and elongation ≈300%) ionogels via in situ polymerization of polymers with the different binding abilities to the ionic liquid by forming soft and rigid confinement space. This strategy can also be applied to other ionic liquids and polymers. Furthermore, the designed ionogel sensors can be used to develop a wearable intelligent health monitoring system capable of monitoring health‐related physiological signals, such as temperature, body tremors, wrist pulse, breathing, and gestures, for predicting and responding to emergencies, which will pave the way for wearable security monitoring technology.

Publisher

Wiley

Subject

Electrochemistry,Condensed Matter Physics,Biomaterials,Electronic, Optical and Magnetic Materials

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