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Author

Lee, Zonghoon
Atomic-Scale Electron Microscopy (ASEM) Lab
Research Interests
  • Advanced Transmission Electron Microscopy (TEM/STEM), in Situ TEM, graphene, 2D materials, low-dimensional crystals, nanostructured materials

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Substrate-free gas-phase synthesis of graphene sheets

Cited 311 times inthomson ciCited 277 times inthomson ci
Title
Substrate-free gas-phase synthesis of graphene sheets
Author
Dato, AlbertRadmilovic, VelimirLee, ZonghoonPhillips, JonathanFrenklach, Michael
Keywords
Argon plasmas; Electron energy loss; Ethanol droplets; Gas-phase; Graphene; Graphene sheets; Large-scale synthesis; Microwave plasma reactors; Novel methods; Substrate-free
Issue Date
200807
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.8, no.7, pp.2012 - 2016
Abstract
We present a novel method for synthesizing graphene sheets in the gas phase using a substrate-free, atmospheric-pressure microwave plasma reactor. Graphene sheets were synthesized by passing liquid ethanol droplets into an argon plasma. The graphene sheets were characterized by transmission electron microscopy, electron energy loss spectroscopy, Raman spectroscopy, and electron diffraction. We prove that graphene can be created without three-dimensional materials or substrates and demonstrate a possible avenue to the large-scale synthesis of graphene.
URI
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DOI
http://dx.doi.org/10.1021/nl8011566
ISSN
1530-6984
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