The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2013
Filed:
May. 13, 2008
Rodney S. Ruoff, Skokie, IL (US);
Sasha Stankovich, Spartanburg, SC (US);
Dmitriy A. Dikin, Skokie, IL (US);
Sonbinh T. Nguyen, Evanston, IL (US);
Rodney S. Ruoff, Skokie, IL (US);
Sasha Stankovich, Spartanburg, SC (US);
Dmitriy A. Dikin, Skokie, IL (US);
SonBinh T. Nguyen, Evanston, IL (US);
Northwestern University, Evanston, IL (US);
Abstract
A ceramic composite thin film or layer includes individual graphene oxide and/or electrically conductive graphene sheets dispersed in a ceramic (e.g. silica) matrix. The thin film or layer can be electrically conductive film or layer depending the amount of graphene sheets present. The composite films or layers are transparent, chemically inert and compatible with both glass and hydrophilic SiOx/silicon substrates. The composite film or layer can be produced by making a suspension of graphene oxide sheet fragments, introducing a silica-precursor or silica to the suspension to form a sol, depositing the sol on a substrate as thin film or layer, at least partially reducing the graphene oxide sheets to conductive graphene sheets, and thermally consolidating the thin film or layer to form a silica matrix in which the graphene oxide and/or graphene sheets are dispersed.