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Polarised infrared microspectroscopy of edge-oriented graphene oxide papers

DOI: 10.1016/j.vibspec.2014.07.005 DOI Help

Authors: Mark Frogley (Diamond Light Source) , Congwei Wang (Queen Mary, University of London) , Gianfelice Cinque (Diamond Light Source) , Asa Barber (Queen Mary, University of London)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Vibrational Spectroscopy , VOL 75

State: Published (Approved)
Published: July 2014
Diamond Proposal Number(s): 8806

Abstract: We have performed FTIR transmission microspectroscopy on graphene oxide papers 10 oriented with the nominal lattice planes parallel to the infrared optical axis. By polarising the IR light for samples of this geometry, spectral contributions of oriented oxide species are isolated from broad convoluted bands. Analysing the data alongside previous works, including experiments where samples were perturbed by reduction, dehydration and deuteration, we tabulate the most likely assignments for the observed spectral bands.

Journal Keywords: Graphene oxide; FTIR; Infrared; Absorption spectroscopy

Subject Areas: Materials, Chemistry

Diamond Offline Facilities: FTIR
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