4.6 Article Proceedings Paper

Localized modification of graphene oxide properties by laser irradiation in vacuum

Journal

VACUUM
Volume 165, Issue -, Pages 134-138

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2019.04.012

Keywords

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Funding

  1. CANAM (Center of Accelerators and Nuclear Analytical Methods) [LM 2015056]
  2. GACR [16-05167S]
  3. specific university research MSMT [20-SVV/2017]
  4. project Advanced Functional Nanorobots (EFRR) [CZ.02.1.01/0.0/0.0/15_003/0000444]

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Modifications induced by nanosecond Nd:YAG laser irradiation in the graphene oxide properties were investigated. To correlate the effects of laser irradiation with the modifications of the structural, chemical and electrical properties of graphene oxide, 2.5 MeV alpha particle and 2.0 MeV proton beams in Rutherford back scattering spectrometry and elastic recoil detection analysis, and also X-ray photoemission spectroscopy, have been employed. A high ratio of carbon to oxygen atoms was measured in the irradiated graphene oxide, with respect to the virgin one. The localized reduction of graphene oxide film is promising for patterning techniques useful for the graphene-based devices production.

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