Preparation and characterization of ultrathin free-standing carbon films

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Ultrathin free-standing carbon films with thicknesses of ∼8-14 nm were prepared by peeling from glass after pyrolization of the polyfurfuryl alcohol precursor at 700 °C. The carbon films were characterized by using optical profilometry, confocal Raman spectroscopy, transmission electron microscopy, UV-vis spectroscopy, and a two-point probe I - V station measurement. The results confirmed the formation of ultrathin free-standing carbon films with a polyaromatic domain structure. Those films had up to a 90% transmittance with respect to air and had an ohmic behavior. In this work, we also suggest that the most likely peeling mechanism of carbon films results from glass corrosion.

Original languageEnglish (US)
Pages (from-to)1859-1863
Number of pages5
JournalJournal of the Korean Physical Society
Issue number10
StatePublished - Jan 1 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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