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Title: Methods for preparation of concentrated graphene compositions and related composite materials

A rapid, scalable methodology for graphene dispersion with a polymer-organic solvent solution and subsequent solvent exchange, as can be utilized without centrifugation, to enhance graphene concentration.
Inventors:
;
Issue Date:
OSTI Identifier:
1193392
Assignee:
Northwestern University (Evanston, IL) CHO
Patent Number(s):
9,079,764
Application Number:
13/453,608
Contract Number:
FG02-03ER15457
Resource Relation:
Patent File Date: 2012 Apr 23
Research Org:
Northwestern Univ., Evanston, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE

Other works cited in this record:

Aqueous-phase exfoliation of graphite in the presence of polyvinylpyrrolidone for the production of water-soluble graphenes
journal, December 2009
  • Bourlinos, Athanasios B.; Georgakilas, Vasilios; Zboril, Radek
  • Solid State Communications, Vol. 149, Issue 47-48, p. 2172-2176
  • DOI: 10.1016/j.ssc.2009.09.018

Fabrication of High-Concentration and Stable Aqueous Suspensions of Graphene Nanosheets by Noncovalent Functionalization with Lignin and Cellulose Derivatives
journal, February 2010
  • Yang, Qiang; Pan, Xuejun; Huang, Fang
  • The Journal of Physical Chemistry C, Vol. 114, Issue 9, p. 3811-3816
  • DOI: 10.1021/jp910232x

High-yield production of graphene by liquid-phase exfoliation of graphite
journal, August 2008
  • Hernandez, Yenny; Nicolosi, Valeria; Lotya, Mustafa
  • Nature Nanotechnology, Vol. 3, Issue 9, p. 563-568
  • DOI: 10.1038/nnano.2008.215

New insights into the structure and reduction of graphite oxide
journal, July 2009
  • Gao, Wei; Alemany, Lawrence B.; Ci, Lijie
  • Nature Chemistry, Vol. 1, Issue 5, p. 403-408
  • DOI: 10.1038/nchem.281

Solution Phase Production of Graphene with Controlled Thickness via Density Differentiation
journal, December 2009
  • Green, Alexander A.; Hersam, Mark C.
  • Nano Letters, Vol. 9, Issue 12, p. 4031-4036
  • DOI: 10.1021/nl902200b

Measurement of Multicomponent Solubility Parameters for Graphene Facilitates Solvent Discovery
journal, March 2010
  • Hernandez, Yenny; Lotya, Mustafa; Rickard, David
  • Langmuir, Vol. 26, Issue 5, p. 3208-3213
  • DOI: 10.1021/la903188a

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