Growth mechanism of graphene on platinum: Surface catalysis and carbon segregation

Jie Sun, Youngwoo Nam, Niclas Lindvall, Matthew Cole, Kenneth B. Kenneth, Yung Woo Park, August Yurgens

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A model of the graphene growth mechanism of chemical vapor deposition on platinum is proposed and verified by experiments. Surface catalysis and carbon segregation occur, respectively, at high and low temperatures in the process, representing the so-called balance and segregation regimes. Catalysis leads to self-limiting formation of large area monolayer graphene, whereas segregation results in multilayers, which evidently "grow from below." By controlling kinetic factors, dominantly monolayer graphene whose high quality has been confirmed by quantum Hall measurement can be deposited on platinum with hydrogen-rich environment, quench cooling, tiny but continuous methane flow and about 1000°C growth temperature.

Original languageEnglish
Article number152107
JournalApplied Physics Letters
Issue number15
Publication statusPublished - 18 Apr 2014

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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