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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires

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Published on: January 21, 2016

Self-Adhesive and Stretchable Conducting Polymer Blends.

Xiaoyang Zhang^1,2, Zhijun Chen¹, Jianyong Ouyang^1,2

¹Department of Materials Science and Engineering, National University of Singapore, 117574 Singapore.

ACS Applied Materials & Interfaces

|June 9, 2025

Summary

This summary is machine-generated.

New conducting polymer blends offer enhanced self-adhesion for wearable electronics. Researchers revealed the mechanism behind this adhesion, enabling the development of stretchable, skin-conformable dry electrodes for continuous biopotential monitoring.

Keywords:

PEDOT:PSS adhesive conductivity mechanical flexibility mechanical stretchability plasticization

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Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates

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Published on: January 17, 2018

Area of Science:

Materials Science
Polymer Science
Bioelectronics

Background:

Self-adhesive and stretchable conducting polymer blends are crucial for wearable electronics and bioelectronics.
Applications include conformal dry electrodes for long-term epidermal biopotential signal detection.

Purpose of the Study:

To elucidate the mechanism behind the self-adhesiveness of poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS), water-borne polyurethane (WPU), and d-sorbitol (SOR) blends.
To develop novel self-adhesive blends with improved properties.

Main Methods:

Investigated the structure and properties of binary and trinary blends of PEDOT:PSS, WPU, and d-sorbitol (SOR).
Analyzed the role of d-sorbitol (SOR) in plasticizing PSS- (or PSSH) and its interaction with substrates.
Evaluated the contribution of WPU to energy dissipation.

Main Results:

The self-adhesiveness is attributed to SOR plasticization of PSS- (or PSSH), interactions with the substrate, and WPU's role in energy dissipation.
Developed novel self-adhesive blends using PEDOT:PSS, SOR, and PSSH, replacing WPU.
These new blends exhibit high mechanical stretchability and self-adhesion to various substrates.

Conclusions:

The study clarifies the mechanism of self-adhesion in PEDOT:PSS/WPU/SOR blends.
Novel PEDOT:PSS/SOR/PSSH blends demonstrate excellent self-adhesion and stretchability without WPU.
These findings pave the way for advanced self-adhesive materials in flexible electronics and biointegrated devices.