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Title: Graphene heat dissipating structure

Patent ·
OSTI ID:1373709

Various technologies presented herein relate to forming one or more heat dissipating structures (e.g., heat spreaders and/or heat sinks) on a substrate, wherein the substrate forms part of an electronic component. The heat dissipating structures are formed from graphene, with advantage being taken of the high thermal conductivity of graphene. The graphene (e.g., in flake form) is attached to a diazonium molecule, and further, the diazonium molecule is utilized to attach the graphene to material forming the substrate. A surface of the substrate is treated to comprise oxide-containing regions and also oxide-free regions having underlying silicon exposed. The diazonium molecule attaches to the oxide-free regions, wherein the diazonium molecule bonds (e.g., covalently) to the exposed silicon. Attachment of the diazonium plus graphene molecule is optionally repeated to enable formation of a heat dissipating structure of a required height.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
National Technology & Engineering Solutions of Sandia, LLC
Patent Number(s):
9,721,867
Application Number:
14/662,091
OSTI ID:
1373709
Resource Relation:
Patent File Date: 2015 Mar 18
Country of Publication:
United States
Language:
English

References (7)

Self-aligned bottom-gated graphene devices patent November 2014
Thin-film gallium nitride structures grown on graphene patent June 2015
Composition and method for selectively etching gate spacer oxide material patent-application February 2009
Electrodes having multi layered structure and supercapacitor including the same patent-application May 2012
Bulk functionalization of graphene using diazonium compounds and amide reaction journal September 2013
Covalent Electron Transfer Chemistry of Graphene with Diazonium Salts journal September 2012
Direct Covalent Grafting of Conjugated Molecules onto Si, GaAs, and Pd Surfaces from Aryldiazonium Salts
  • Stewart, Michael P.; Maya, Francisco; Kosynkin, Dmitry V.
  • Journal of the American Chemical Society, Vol. 126, Issue 1, p. 370-378 https://doi.org/10.1021/ja0383120
journal January 2004

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