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Related Experiment Video

Updated: Feb 8, 2026

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Published on: July 22, 2022

Highly Conformable, Transparent Electrodes for Epidermal Electronics.

Jin-Hoon Kim¹, Seung-Rok Kim¹, Hye-Jun Kil²

¹Department of Materials Science and Engineering , Yonsei University , Seoul 03722 , Korea.

|June 21, 2018

Summary

This summary is machine-generated.

Researchers developed a new transparent electrode for epidermal electronics using adhesive polydimethylsiloxane (PDMS) and silver nanowires (AgNWs). This material offers enhanced conformability and stretchability for wearable sensors like strain and electrocardiogram (ECG) devices.

Keywords:

AgNWs Conformability ECG adhesive electrodes strain sensor

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Spatial Separation of Molecular Conformers and Clusters

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Published on: January 9, 2014

Area of Science:

Materials Science
Nanotechnology
Biomedical Engineering

Background:

Epidermal electronics require stretchable, transparent, and conformable electrodes.
Polydimethylsiloxane (PDMS) is a common substrate, but its mechanical properties need optimization for advanced applications.
Silver nanowires (AgNWs) offer conductivity but require robust integration into flexible substrates.

Purpose of the Study:

To develop a highly conformable, stretchable, and transparent electrode for epidermal electronics.
To enhance the mechanical properties of PDMS for better integration with AgNWs.
To fabricate and evaluate wearable strain and electrocardiogram (ECG) sensors using the novel electrode material.

Main Methods:

Incorporation of Triton X surfactant into PDMS to create an adhesive PDMS (a-PDMS) matrix.
Modulation of PDMS cross-linking by Triton X's interaction with the Pt catalyst.
Embedding of AgNWs into the a-PDMS matrix, leveraging polar group interactions.
Fabrication of wearable strain and ECG sensors using the AgNW-embedded a-PDMS.

Main Results:

Triton X addition significantly improved PDMS adhesion and mechanical compliance.
AgNWs were effectively embedded in the a-PDMS matrix, maintaining electrode transparency and conductivity.
The resulting AgNW-embedded a-PDMS exhibited enhanced conformability and stretchability.
Wearable sensors fabricated with the new material showed improved performance compared to bare PDMS sensors.

Conclusions:

The developed AgNW-embedded a-PDMS is a promising material for high-performance epidermal electronics.
The surfactant-mediated approach effectively enhances substrate properties for flexible electronic applications.
Improved sensor performance highlights the potential of this material for advanced wearable health monitoring.