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Carbon-Based Composites with Biodegradable Matrix for Flexible Paper Electronics.

Jerzy Szałapak^1,2, Bartosz Zdanikowski², Aleksandra Kądziela¹

¹Institute of Mechanics and Printing, Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, 00-661 Warsaw, Poland.

|March 13, 2024

Summary

Researchers developed eco-friendly, paper-based electronics using biodegradable materials and screen printing. Certain carbon composites achieved low resistance and good adhesion, showing potential for sustainable flexible electronics.

Keywords:

biodegradability carbon-based composites ethyl cellulose flexible electronics paper electronics printed electronics screen printing sustainable electronics

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Area of Science:

Materials Science
Sustainable Electronics
Nanotechnology

Background:

Growing demand for sustainable electronic solutions.
Need for eco-friendly alternatives to conventional electronics.
Advancements in biodegradable polymers and carbon-based materials.

Purpose of the Study:

To develop paper-based electronics using biodegradable carbon composites.
To investigate screen-printing techniques for flexible, eco-friendly devices.
To evaluate the performance and properties of these novel electronic materials.

Main Methods:

Formulation of carbon-based composites with ethyl cellulose and dibasic ester solvent.
Utilizing screen-printing techniques for device fabrication.
Characterization of rheological, electrical, mechanical (flexibility, adhesion), and biodegradability properties.

Main Results:

Achieved sheet resistance below 1 kΩ/sq with specific carbon compositions (graphene, graphite, carbon black).
Demonstrated good adhesion to paper substrates after a single layer of screen printing.
Evaluated the impact of cyclic bending on electrical performance and confirmed biodegradability of the matrix.

Conclusions:

Successful development of functional paper-based electronics using biodegradable materials.
Screen printing offers a viable method for producing sustainable, flexible electronic components.
These findings pave the way for commercial applications in single-use electronics and flexible heaters, contributing to greener electronic technologies.