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Issue 20, 2015
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Design of catalytic substrates for uniform graphene films: from solid-metal to liquid-metal

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Abstract

The controllable synthesis of uniform graphene with a specific layer number is crucial for both fundamental research and emerging applications due to the high sensitivity of the various extraordinary physicochemical properties of graphene to its layer numbers. However, the excessive segregation of extra C, the inactivation of the self-limiting of Cu and the superabundant nucleation at grain boundaries and defect sites render that the controllable synthesis of uniform graphene is still a challenge. By the employment of various solid and liquid metals with quasi-atomically smooth surfaces to avoid defects or grain boundaries, a series of studies have been performed and significant improvements have been achieved in the controllable synthesis of uniform graphene films. In this review, the representative strategies of designing catalytic substrates, including polycrystalline metals, single-crystalline metals, binary metal alloys and liquid metals, are highlighted. The future of the controllable synthesis of uniform graphene is also discussed.

Graphical abstract: Design of catalytic substrates for uniform graphene films: from solid-metal to liquid-metal

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Publication details

The article was received on 04 Mar 2015, accepted on 06 Apr 2015 and first published on 14 Apr 2015


Article type: Review Article
DOI: 10.1039/C5NR01420D
Citation: Nanoscale, 2015,7, 9105-9121
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    Design of catalytic substrates for uniform graphene films: from solid-metal to liquid-metal

    L. Tan, M. Zeng, T. Zhang and L. Fu, Nanoscale, 2015, 7, 9105
    DOI: 10.1039/C5NR01420D

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