Issue 8, 2024

Art etching of graphene

Abstract

The growth of graphene on a metal substrate using chemical vapor deposition (CVD), assisted by hydrocarbons such as CH4, C3H8, C2H6, etc. leads to the formation of carbon clusters, amorphous carbon, or any other structure. These carbon species are considered as unwanted impurities; thus a conventional etching step is used simultaneously with CVD graphene growth to remove them using an etching agent. Meanwhile, art etching is a specific method of producing controlled non-Euclidean and Euclidean geometries by employing intricate and precise etching parameters or integrated growth/etching modes. Agents such as H2, O2, CH4, Ar, and others are applied as art etching agents to support the art etching technology. This technique can generate nanopores and customize the properties of graphene, facilitating specific applications such as nanodevices, nanosensors, nanofilters, etc. This comprehensive review investigates how precursor gases concurrently induce graphene growth and art etching during a chemical vapor deposition process, resulting in beautifully etched patterns. Furthermore, it discusses the techniques leading to the creation of these patterns. Finally, the challenges, uses, and perspectives of these non-Euclidean and Euclidean-shaped art etched graphene geometries are discussed.

Graphical abstract: Art etching of graphene

Article information

Article type
Review Article
Submitted
21 feb 2024
Accepted
10 jun 2024
First published
03 jul 2024

Nanoscale Horiz., 2024,9, 1230-1249

Art etching of graphene

G. D. N, T. Mai, R. K. Gupta and P. V. Pham, Nanoscale Horiz., 2024, 9, 1230 DOI: 10.1039/D4NH00077C

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