Facile growth of centimeter-sized single-crystal graphene on copper foil at atmospheric pressure

By mildly oxidizing Cu foil and slowing down the total gas flow rate, we develop an easily repeatable atmospheric growth method to grow single-crystal graphene of centimeter-size. The graphene edge, which is different from the previously reported straight edge, is connected by a series of graphene-c...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2015-01, Vol.3 (15), p.3530-3535
Hauptverfasser: Li, Jing, Wang, Xuan-Yun, Liu, Xing-Rui, Jin, Zhi, Wang, Dong, Wan, Li-Jun
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container_issue 15
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container_title Journal of materials chemistry. C, Materials for optical and electronic devices
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creator Li, Jing
Wang, Xuan-Yun
Liu, Xing-Rui
Jin, Zhi
Wang, Dong
Wan, Li-Jun
description By mildly oxidizing Cu foil and slowing down the total gas flow rate, we develop an easily repeatable atmospheric growth method to grow single-crystal graphene of centimeter-size. The graphene edge, which is different from the previously reported straight edge, is connected by a series of graphene-corners. The graphene-corner, ranging between 100° and 110°, is formed by a zig-zag edge and a mix edge. The oxidation of Cu crystal boundaries results in the rearrangement of active Cu sites for graphene nucleation, thus suppressing graphene nucleation density.
doi_str_mv 10.1039/C5TC00235D
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Copper
Density
FOIL
Foils
Graphene
NUCLEATION
Oxidation
Retarding
Single crystals
title Facile growth of centimeter-sized single-crystal graphene on copper foil at atmospheric pressure
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