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Issue 6, 2020
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A robust 3D printed multilayer conductive graphene/polycaprolactone composite electrode

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Abstract

3D printing technology has emerged as a platform for rapid prototyping of materials and devices for an extended range of applications. Composite polymer electrodes represent an attractive form of printable materials with task-specific tunability. However, there are currently limited materials available as polymeric-composite electrodes with desirable conductivity and robustness to serve as electromaterials. Herein, we report the fabrication of robust and flexible multilayer 3D printed graphene/polycaprolactone composite electrodes consisting of 10 wt% graphene. This represents a new class of printable biodegradable eco-friendly composite electrodes, with inherent conductivity for the electrochemical studies. The electrode biocompatibility is demonstrated by the electrochemical response derived from the diatom microalgae grown on the graphene/polycaprolactone substrate. We propose that the prepared conductive-biodegradable graphene/polycaprolactone composite can also potentially serve as a scaffold for electrical stimulation in promoting tissue formation for regenerative medicine, as well as bioelectronic applications.

Graphical abstract: A robust 3D printed multilayer conductive graphene/polycaprolactone composite electrode

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Supplementary files

Article information


Submitted
25 Dec 2019
Accepted
11 Apr 2020
First published
13 Apr 2020

Mater. Chem. Front., 2020,4, 1664-1670
Article type
Research Article

A robust 3D printed multilayer conductive graphene/polycaprolactone composite electrode

C. Lee, S. Sayyar, P. J. Molino and G. G. Wallace, Mater. Chem. Front., 2020, 4, 1664
DOI: 10.1039/C9QM00780F

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