A HIGH RESOLUTION ELECTRON MICROSCOPY INVESTIGATION OF CURVATURE IN MULTILAYER GRAPHITE SHEETS | Zendy

Zhenxia Wang | Zendy; HU JUN | Zendy; WenMin Wang | Zendy; Yu Guoqing | Zendy; Meiling Ruan | Zendy

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A HIGH RESOLUTION ELECTRON MICROSCOPY INVESTIGATION OF CURVATURE IN MULTILAYER GRAPHITE SHEETS

Author(s) -

Zhenxia Wang,

HU JUN,

WenMin Wang,

Yu Guoqing,

Meiling Ruan

Publication year - 1998

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.47.1853

Subject(s) - graphite , high resolution transmission electron microscopy , materials science , highly oriented pyrolytic graphite , pyrolytic carbon , transmission electron microscopy , curvature , resolution (logic) , electron microscope , zone axis , lattice (music) , crystallography , optics , electron diffraction , composite material , diffraction , nanotechnology , physics , geometry , chemical engineering , chemistry , mathematics , pyrolysis , artificial intelligence , computer science , acoustics , engineering

Here we report a carbon sample generated by sonicating high oriented pyrolytic graphite (HOPG) in ethanol, water or ethanol-water mixed solution. High resolution transmission electron microscopy (HRTEM) revealed many multilayer graphite sheets with a total curved angle that is multiples of θ0(=30°). Close examination of the micrographs showed that the curvature is accomplished by bending the lattice planes. A possible explanation for the curvature in multilayer graphite sheets is discussed based on the conformation of graphite symmetry axes and the formation of sp3-like line defects in the sp2 graphitic network.

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