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A hydrothermal anvil made of graphene nanobubbles on diamond

Author

Listed:
  • Candy Haley Yi Xuan Lim

    (Graphene Research Centre, National University of Singapore
    NUS Graduate School for Integrative Sciences and Engineering, 28 Medical Drive #05-01)

  • Anastassia Sorkin

    (Graphene Research Centre, National University of Singapore)

  • Qiaoliang Bao

    (Graphene Research Centre, National University of Singapore)

  • Ang Li

    (Bruker Singapore, 11 Biopolis Way #10-10 Helios)

  • Kai Zhang

    (Graphene Research Centre, National University of Singapore)

  • Milos Nesladek

    (IMOMEC, Hasselt University Wetenschapspark)

  • Kian Ping Loh

    (Graphene Research Centre, National University of Singapore)

Abstract

The hardness and virtual incompressibility of diamond allow it to be used in high-pressure anvil cell. Here we report a new way to generate static pressure by encapsulating single-crystal diamond with graphene membrane, the latter is well known for its superior nano-indentation strength and in-plane rigidity. Heating the diamond–graphene interface to the reconstruction temperature of diamond (~1,275 K) produces a high density of graphene nanobubbles that can trap water. At high temperature, chemical bonding between graphene and diamond is robust enough to allow the hybrid interface to act as a hydrothermal anvil cell due to the impermeability of graphene. Superheated water trapped within the pressurized graphene nanobubbles is observed to etch the diamond surface to produce a high density of square-shaped voids. The molecular structure of superheated water trapped in the bubble is probed using vibrational spectroscopy and dynamic changes in the hydrogen-bonding environment are observed.

Suggested Citation

  • Candy Haley Yi Xuan Lim & Anastassia Sorkin & Qiaoliang Bao & Ang Li & Kai Zhang & Milos Nesladek & Kian Ping Loh, 2013. "A hydrothermal anvil made of graphene nanobubbles on diamond," Nature Communications, Nature, vol. 4(1), pages 1-8, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2579
    DOI: 10.1038/ncomms2579
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    Cited by:

    1. Mailis Lounasvuori & Yangyunli Sun & Tyler S. Mathis & Ljiljana Puskar & Ulrich Schade & De-En Jiang & Yury Gogotsi & Tristan Petit, 2023. "Vibrational signature of hydrated protons confined in MXene interlayers," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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