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Applied Science and Convergence Technology 2011; 20(4): 252-257

Published online July 1, 2011

Copyright © The Korean Vacuum Society.

Ring Formation of Furan on Epitaxial Graphene

Ki-jeong Kim,Sena Yang,Youngchan Park,Hankoo Lee,Bongsoo Kim,Hangil Lee

Abstract

The ring formation and electronic properties of furan adsorbed on graphene layers grown on 6H-SiC (0001) has been investigated using atomic force microscopy (AFM), near edge X-ray absorption fine structure (NEXAFS) spectra for the C K-edge, and core level photoemission spectroscopy (CLPES). Moreover, we observed that furan molecules adsorbed on graphene could be used for chemical functionalization via the lone pair electrons of the oxygen group, allowing chemical doping. We also found that furan spontaneously form rings with one of three different bonding configurations and the electronic properties of the ring formed by furan on graphene can be described using by AFM, NEXAFS and CLPES, respectively.

Keywords: 퓨란,그라핀,Core-level photoemission spectroscopy,Near edge X-ray absorption fine structure,고리모양 형성,Furan,Graphene,Ring formation

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