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Anisotropic Etching of Graphite Flakes with Water Vapor to Produce Armchair‐Edged Graphene
Author(s) -
Luo Da,
Yang Feng,
Wang Xiao,
Sun Hao,
Gao Dongliang,
Li Ruoming,
Yang Juan,
Li Yan
Publication year - 2014
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201400007
Subject(s) - graphene , materials science , graphite , raman spectroscopy , etching (microfabrication) , anisotropy , g band , graphene nanoribbons , enhanced data rates for gsm evolution , graphene oxide paper , nanotechnology , composite material , optics , telecommunications , physics , layer (electronics) , computer science
A one‐step anisotropic etching method is developed to specifically obtain armchair‐edged graphene directly from graphite flakes on various substrates. The armchair edge structure of the produced graphene is verified by the atomic resolution images obtained from the fluid mode peakforce tapping AFM and the relatively high intensity of D band in the Raman spectra.