Ultrafast growth of nanocrystalline graphene films by quenching and grain-size-dependent strength and bandgap opening

Nano-crystallization is essential to tune different properties of materials. Here, the authors report a synthesis strategy that involves quenching of a hot metal foil for few seconds in liquid carbon source to form graphene films of 3.6 nm grain size, showing mechanical strength of 101 GPa and semic...

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Bibliographic Details
Main Authors: Tong Zhao, Chuan Xu, Wei Ma, Zhibo Liu, Tianya Zhou, Zhen Liu, Shun Feng, Mengjian Zhu, Ning Kang, Dong-Ming Sun, Hui-Ming Cheng, Wencai Ren
Format: article
Language:EN
Published: Nature Portfolio 2019
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Online Access:https://doaj.org/article/14fe60ca39df4abe9ca3ee5575d6cad6
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Summary:Nano-crystallization is essential to tune different properties of materials. Here, the authors report a synthesis strategy that involves quenching of a hot metal foil for few seconds in liquid carbon source to form graphene films of 3.6 nm grain size, showing mechanical strength of 101 GPa and semiconducting behaviour.