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Updated: Sep 29, 2025

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

Published on: March 13, 2017

Island Effect in Stretchable Inorganic Electronics.

Kan Li^1,2, Yumeng Shuai^3,4, Xu Cheng^3,4

¹State Key Laboratory of Digital Manufacture Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)

|March 21, 2022

Summary

This summary is machine-generated.

Researchers studied the "island effect" in stretchable electronics, where rigid components strain surrounding interconnects. A novel buffer layer strategy was developed to significantly enhance material stretchability and reduce failure risk in electronic devices.

Keywords:

buffer layers island effects strain concentration stretchable electronics

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Area of Science:

Materials Science
Mechanical Engineering
Electrical Engineering

Background:

Island-bridge architectures are common in stretchable electronics.
The "island effect" causes strain concentration due to modulus mismatch between substrates and components.
This strain concentration increases the risk of interconnect failure.

Purpose of the Study:

To systematically study the island effect in island-bridge architectures.
To propose and validate a generic strategy to mitigate the island effect.
To enhance the stretchability of deformable interconnects in electronic systems.

Main Methods:

Combined theoretical analysis.
Numerical simulations.
Experimental measurements.

Main Results:

The study quantified the island effect and its impact on interconnects.
A buffer layer strategy was proposed and validated.
The strategy successfully enhanced stretchability for 2D serpentine and 3D helical interconnects (up to 2x increase).

Conclusions:

The buffer layer strategy effectively relieves the island effect.
This approach significantly improves the stretchability of deformable interconnects.
The strategy shows promise for various functional device systems, including stretchable light-emitting diodes.