Issue 19, 2024

Laser-induced graphene: synthesis advances, structural tailoring, enhanced properties, and sensing applications

Abstract

Laser-induced graphene (LIG) is a 3D porous material formed through a scalable, patternable, single-step, and cost-effective laser manufacturing technique, using a CO2 laser on carbon-rich materials in an ambient atmosphere. Since its discovery, LIG has gained significant research attention, elucidating its mechanism of formation and diverse applications. LIG has great electrical conductivity, high specific surface area, and good mechanical flexibility. The physical, electrical, and electrochemical properties of LIG can be enhanced by tuning its structural morphology for a variety of applications. This review provides an overview of different types of 3D structured graphene, with a focus on laser graphitization of polymer precursor to produce LIG, examining its morphological structure and materials properties. We discuss, in detail, the impact of laser conditions and materials precursors on the structure and properties of LIG. We also review different LIG functionalization techniques and discuss LIG-based sensors, including physical sensors, chemical sensors, and multi-sensors in sensing applications. Finally, we comprehensively discuss the current challenges and future opportunities regarding LIG.

Graphical abstract: Laser-induced graphene: synthesis advances, structural tailoring, enhanced properties, and sensing applications

Article information

Article type
Review Article
Submitted
18 ဒီ 2023
Accepted
10 ဧပြီ 2024
First published
11 ဧပြီ 2024

J. Mater. Chem. C, 2024,12, 6718-6742

Laser-induced graphene: synthesis advances, structural tailoring, enhanced properties, and sensing applications

S. Movaghgharnezhad and P. Kang, J. Mater. Chem. C, 2024, 12, 6718 DOI: 10.1039/D3TC04677J

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