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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

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Scalable and Degradable Dextrin-Based Elastomers for Wearable Touch Sensing.

Xiaohong Lan¹, Wenjian Li², Chongnan Ye¹

¹Macromolecular Chemistry & New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen9747AG, The Netherlands.

ACS Applied Materials & Interfaces

|December 14, 2022

Summary

This summary is machine-generated.

Researchers developed a new sustainable, stretchable, and transparent material (ASSETm) that is also enzymatically degradable. This advanced material enables the creation of durable, self-powered soft electronic sensors for enhanced human-interactive applications.

Keywords:

bottlebrushes dextrins elastomers lactones sensors

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Area of Science:

Materials Science
Polymer Chemistry
Soft Electronics

Background:

Frictional wear in elastomer wearables impacts durability and sustainability.
Need for advanced materials in soft electronics to overcome limitations.

Purpose of the Study:

To develop a novel, scalable, supersoft, elastic, and transparent material (ASSETm).
To create a self-powered touch sensor using ASSETm for improved human-interactive applications.

Main Methods:

Synthesized ASSETm by rendering dextrin hydrophobic, creating a macroinitiator for ring-opening polymerization.
Fabricated a self-powered touch sensor (ASSETm-TS) from ASSETm.
Evaluated material properties including scalability, stretchability, and enzymatic degradability.

Main Results:

ASSETm exhibits scalability (20 g), high stretchability (235%), and significant enzymatic degradability (65% in 30 days).
The ASSETm-TS demonstrated excellent electrical potential (up to 65 V) and rapid response time (60 ms).

Conclusions:

ASSETm offers a promising solution for sustainable soft electronic systems.
The material's tunability allows for enhanced electrical outputs, advancing human-interactive technologies.