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Insights into the structural features of crumpling graphene nanoribbons | JoVE Visualize

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Insights into the structural features of crumpling graphene nanoribbons

Yangchao Liao¹, Long Chen², Wenjie Xia²

¹Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, North Dakota 58108, USA.

Nanoscale|June 13, 2025

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View abstract on PubMed

Summary

Graphene nanoribbons (GNRs) exhibit size-dependent crumpling behaviors. Larger GNRs show more self-adhesion and folding, leading to reduced mechanical heterogeneity and distinct crumpling modes influenced by geometry.

Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Graphene nanoribbons (GNRs) possess unique properties for diverse applications.
Understanding GNRs' mechanical behavior is crucial for material design.

Purpose of the Study:

Investigate the crumpling behavior of GNRs using simulations.
Analyze the influence of size and geometry on GNR crumpling.

Main Methods:

Coarse-grained molecular dynamics (CG-MD) simulations were employed.
Systematic variation of GNR size, width, and aspect ratio.

Main Results:

Increased GNR size enhances self-adhesion and folding.
Two distinct crumpling modes (EBD and SFD) identified, dependent on aspect ratio.
Larger GNRs exhibit higher adhesion energy and lower strain energy.

Conclusions:

Graphene nanoribbon geometry critically dictates crumpling behavior.
Insights into predicting crumpling modes and mechanical properties of GNRs.
Findings support tailored design of crumpled ribbon-like sheet materials.

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Insights Into The Structural Features Of Crumpling Graphene Nanoribbons