Millimeter-Size Single-Crystal Graphene by Suppressing Evaporative Loss of Cu During Low Pressure Chemical Vapor Deposition

Millimeter‐size single‐crystal monolayer graphene is synthesized on polycrystalline Cu foil by a method that involves suppressing loss by evaporation of the Cu at high temperature under low pressure. This significantly diminishes the number of graphene domains, and large single crystal domains up to...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2013-04, Vol.25 (14), p.2062-2065
Main Authors: Chen, Shanshan, Ji, Hengxing, Chou, Harry, Li, Qiongyu, Li, Hongyang, Suk, Ji Won, Piner, Richard, Liao, Lei, Cai, Weiwei, Ruoff, Rodney S.
Format: Article
Language:English
Subjects:
CHEMICAL VAPOR DEPOSITION
Copper
Copper - chemistry
Crystallization
Cu evaporation
Evaporation
Evaporative
FOIL
Foils
Gases - chemistry
Graphene
Graphite - chemistry
HIGH VACUUM
Hot Temperature
Low pressure
LPCVD
MICA
millimeter-size graphene
Particle Size
PRESSURE
Retarding
Single crystals
thin films
VAPOR DEPOSITION
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Summary:Millimeter‐size single‐crystal monolayer graphene is synthesized on polycrystalline Cu foil by a method that involves suppressing loss by evaporation of the Cu at high temperature under low pressure. This significantly diminishes the number of graphene domains, and large single crystal domains up to ∼2 mm in size are grown.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201204000