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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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Catalytic transparency of hexagonal boron nitride on copper for chemical vapor deposition growth of large-area and high-quality graphene

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Title
Catalytic transparency of hexagonal boron nitride on copper for chemical vapor deposition growth of large-area and high-quality graphene
Author
Wang, MinKim, MinwooOdkhuu, DorjPark, NoejungLee, JoohyunJang, Won-JunKahng, Se-JongRuoff, Rodney S.Song, Young JaeLee, Sungjoo
Keywords
catalytic transparency; CVD growth mechanism; direct CVD growth; graphene; h-BN; ideal CVD template
Issue Date
201406
Publisher
AMER CHEMICAL SOC
Citation
ACS NANO, v.8, no.6, pp.5478 - 5483
Abstract
Graphene transferred onto h-BN has recently become a focus of research because of its excellent compatibility with large-area device applications. The requirements of scalability and clean fabrication, however, have not yet been satisfactorily addressed. The successful synthesis of graphene/h-BN on a Cu foil and DFT calculations for this system are reported, which demonstrate that a thin h-BN film on Cu foil is an excellent template for the growth of large-area and high-quality graphene. Such material can be grown on thin h-BN films that are less than 3 nm thick, as confirmed by optical microscopy and Raman spectroscopy. We have evaluated the catalytic growth mechanism and the limits on the CVD growth of high-quality and large-area graphene on h-BN film/Cu by performing Kelvin probe force microscopy and DFT calculations for various thicknesses of h-BN.
URI
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DOI
http://dx.doi.org/10.1021/nn501837c
ISSN
1936-0851
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