IBS Publications Repository: Simple, green, and clean removal of a poly(methyl methacrylate) film on chemical vapor deposited graphene

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Simple, green, and clean removal of a poly(methyl methacrylate) film on chemical vapor deposited graphene

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Title: Simple, green, and clean removal of a poly(methyl methacrylate) film on chemical vapor deposited graphene

Author(s): J-H. Park; Jung, W.; D. Cho; Seo, J-T.; Moon, Y.; Woo, S. H.; Changgu Lee; Park, C-Y.; Joung Real Ahn

Subject: Chemical treatments, ; Chemical vapor deposited, ; Four-point probe measurements, ; Heat-treatment process, ; Poly(methyl methacrylate) (PMMA), ; Polymethyl methacrylate films, ; Specific substrates, ; Synchrotron radiation x-rays, ; Esters, ; Geometrical optics, ; Measurements, ; Photoelectron spectroscopy, ; Vapors, ; Graphene

Abstract: The clean removal of a poly(methyl methacrylate) (PMMA) film on graphene has been an essential part of the process of transferring chemical vapor deposited graphene to a specific substrate, influencing the quality of the transferred graphene. Here we demonstrate that the clean removal of PMMA can be achieved by a single heat-treatment process without the chemical treatment that was adopted in other methods of PMMA removal. The cleanness of the transferred graphene was confirmed by four-point probe measurements, synchrotron radiation x-ray photoemission spectroscopy, optical images, and Raman spectroscopy. © 2013 AIP Publishing LLC.