4.8 Article

Rapid Growth of Large Single-Crystalline Graphene via Second Passivation and Multistage Carbon Supply

Journal

ADVANCED MATERIALS
Volume 28, Issue 23, Pages 4671-4677

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201600403

Keywords

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Funding

  1. National Basic Research Program of China [2013CB932603, 2012CB933404, 2014CB932500]
  2. National Natural Science Foundation of China [51432002, 51520105003, 21525310]
  3. National Program for Support of Top-Notch Young Professionals
  4. Beijing Municipal Science & Technology Commission [Z151100003315013, Z141103004414103]

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A second passivation and a multistage carbon-source supply (CSS) allow a 50-fold enhancement of the growth rate of large single-crystalline graphene with a record growth rate of 101 mu m min(-1), almost 10 times higher than for pure copper. To this end the CSS is tailored at separate stages of graphene growth on copper foil, combined with an effective suppression of new spontaneous nucleation via second passivation.

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