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Elastic straining of free-standing monolayer graphene

Engineering and Technology

Elastic straining of free-standing monolayer graphene

K. Cao, S. Feng, et al.

This innovative study explores the remarkable elastic properties and stretchability of single-crystalline monolayer graphene, revealing impressive results such as a Young's modulus nearing 1 TPa and tensile strength around 50-60 GPa. Conducted by Ke Cao and colleagues, the findings promise significant advancements in flexible electronics and mechatronics.

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Playback language: English
Abstract
This paper investigates the elastic properties and stretchability of free-standing single-crystalline monolayer graphene grown by chemical vapor deposition. Using in situ tensile tests within a scanning electron microscope, the authors report a Young's modulus close to 1 TPa and an engineering tensile strength of ~50-60 GPa with elastic strain up to ~6%. These findings highlight the near-ideal mechanical performance of monolayer graphene, even with edge defects, demonstrating its resilience and suitability for flexible electronics and mechatronics applications.
Publisher
Nature Communications
Published On
Jan 15, 2020
Authors
Ke Cao, Shizhe Feng, Ying Han, Libo Gao, Thuc Hue Ly, Zhiping Xu, Yang Lu
Tags
monolayer graphene
elastic properties
tensile strength
Young's modulus
flexible electronics
mechanical performance
chemical vapor deposition

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