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

Patent ·
OSTI ID:1423454
; ; ; ; ; ; ;

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.

Research Organization:
Northwestern Univ., Evanston, IL (United States); Harvard Univ., Cambridge, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-03ER15457
Assignee:
Northwestern University (Evanston, IL); President and Fellows of Harvard College (Cambridge, MA)
Patent Number(s):
9,902,866
Application Number:
14/756,304
OSTI ID:
1423454
Resource Relation:
Patent File Date: 2015 Aug 24
Country of Publication:
United States
Language:
English

References (18)

Minimizing Graphene Defects Enhances Titania Nanocomposite-Based Photocatalytic Reduction of CO2 for Improved Solar Fuel Production journal July 2011
Nano graphene platelet-based conductive inks patent-application January 2010
High-Concentration Solvent Exfoliation of Graphene journal April 2010
Aqueous-phase exfoliation of graphite in the presence of polyvinylpyrrolidone for the production of water-soluble graphenes journal December 2009
High-yield production of graphene by liquid-phase exfoliation of graphite journal August 2008
Highly Concentrated Graphene Solutions via Polymer Enhanced Solvent Exfoliation and Iterative Solvent Exchange journal December 2010
Measurement of Multicomponent Solubility Parameters for Graphene Facilitates Solvent Discovery journal March 2010
Solution Phase Production of Graphene with Controlled Thickness via Density Differentiation journal December 2009
Coatings Containing Functionalized Graphene Sheets And Articles Coated Therewith patent-application March 2011
Inkjet Printing of High Conductivity, Flexible Graphene Patterns
  • Secor, Ethan B.; Prabhumirashi, Pradyumna L.; Puntambekar, Kanan
  • The Journal of Physical Chemistry Letters, Vol. 4, Issue 8, p. 1347-1351 https://doi.org/10.1021/jz400644c
journal March 2013
Mixtures Comprising Graphite And Graphene Materials And Products And Uses Thereof patent-application July 2010
Production Of Mechanically Exfoliated Graphene And Nanoparticle Composites Comprising Same patent-application November 2011
Fabrication of High-Concentration and Stable Aqueous Suspensions of Graphene Nanosheets by Noncovalent Functionalization with Lignin and Cellulose Derivatives journal February 2010
Method For Manufacturing Graphene patent-application December 2011
New insights into the structure and reduction of graphite oxide journal July 2009
Crosslinked Graphene and Graphite Oxide patent-application August 2011
Method of producing exfoliated graphite, flexible graphite, and nano-scaled graphene platelets patent-application November 2008
Methods for preparation of concentrated graphene ink compositions and related composite materials patent-application March 2015

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