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What if wrinkles could make graphene stronger?

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Paper of the Month has been selected!

A new study published in 𝐍𝐚𝐭𝐮𝐫𝐞 𝐌𝐚𝐠𝐚𝐳𝐢𝐧𝐞 by researchers from Delft University of Technology (Precision and Microsystems Engineering Department), and University of Oxford (Oxford Mathematics) explores a surprising idea: using wrinkles to make one of the world’s thinnest materials mechanically stronger.

📄 Paper: 𝘔𝘦𝘤𝘩𝘢𝘯𝘪𝘤𝘢𝘭 𝘳𝘦𝘪𝘯𝘧𝘰𝘳𝘤𝘦𝘮𝘦𝘯𝘵 𝘰𝘧 𝘨𝘳𝘢𝘱𝘩𝘦𝘯𝘦 𝘷𝘪𝘢 𝘸𝘳𝘪𝘯𝘬𝘭𝘪𝘯𝘨 Authors: Hadi Arjmandi-Tash | Roshan Prasad| Hanqing Liu (刘翰青)| Gerard Verbiest| Dominic Vella | Farbod Alijani

𝐖𝐡𝐚𝐭 𝐭𝐡𝐞 𝐫𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐢𝐬 𝐚𝐛𝐨𝐮𝐭

Graphene is one of the thinnest materials in the world. It is only one atom thick, but it is also known for being extremely strong. However, when graphene is used in very small devices, it can still bend or lose its shape. The researchers found that adding controlled wrinkles can help graphene stay stronger and more stable.

𝐖𝐡𝐲 𝐭𝐡𝐢𝐬 𝐦𝐚𝐭𝐭𝐞𝐫𝐬

In many materials, wrinkles are seen as defects. But this research shows that, at the nanoscale, wrinkles can actually be useful. By using wrinkles in the right way, scientists may be able to build stronger and lighter materials for future technologies.

𝐖𝐡𝐚𝐭 𝐭𝐡𝐞𝐲 𝐟𝐨𝐮𝐧𝐝

The study showed that wrinkled graphene can become much stiffer than flat graphene. This means it can better resist bending, while still staying incredibly thin and lightweight.

𝐖𝐡𝐚𝐭 𝐢𝐭 𝐜𝐨𝐮𝐥𝐝 𝐦𝐞𝐚𝐧 𝐢𝐧 𝐭𝐡𝐞 𝐟𝐮𝐭𝐮𝐫𝐞

This could help develop new types of ultra-light sensors, tiny mechanical devices, and stronger materials for nanotechnology.

𝐖𝐡𝐚𝐭’𝐬 𝐧𝐞𝐱𝐭

The next step is to explore how this idea can be used in real devices and future applications.

Read the full study