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

A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
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Issue Date:
OSTI Identifier:
Northwestern University (Evanston, IL) CHO
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2014 Jul 30
Research Org:
Northwestern Univ., Evanston, IL (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Method of producing exfoliated graphite, flexible graphite, and nano-scaled graphene platelets
patent-application, November 2008

Nano graphene platelet-based conductive inks
patent-application, January 2010

Mixtures Comprising Graphite And Graphene Materials And Products And Uses Thereof
patent-application, July 2010

Coatings Containing Functionalized Graphene Sheets And Articles Coated Therewith
patent-application, March 2011

Crosslinked Graphene and Graphite Oxide
patent-application, August 2011

Production Of Mechanically Exfoliated Graphene And Nanoparticle Composites Comprising Same
patent-application, November 2011

Method For Manufacturing Graphene
patent-application, December 2011

Methods for preparation of concentrated graphene ink compositions and related composite materials
patent-application, March 2015

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

Highly Concentrated Graphene Solutions via Polymer Enhanced Solvent Exfoliation and Iterative Solvent Exchange
journal, December 2010
  • Liang, Yu Teng; Hersam, Mark C.
  • Journal of the American Chemical Society, Vol. 132, Issue 50, p. 17661-17663
  • DOI: 10.1021/ja107661g

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

Inkjet Printing of High Conductivity, Flexible Graphene Patterns
journal, March 2013
  • Secor, Ethan B.; Prabhumirashi, Pradyumna L.; Puntambekar, Kanan
  • The Journal of Physical Chemistry Letters, Vol. 4, Issue 8, p. 1347-1351
  • DOI: 10.1021/jz400644c

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