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Title: Processing of monolayer materials via interfacial reactions

Patent ·
OSTI ID:1132268

A method of forming and processing of graphene is disclosed based on exposure and selective intercalation of the partially graphene-covered metal substrate with atomic or molecular intercalation species such as oxygen (O.sub.2) and nitrogen oxide (NO.sub.2). The process of intercalation lifts the strong metal-carbon coupling and restores the characteristic Dirac behavior of isolated monolayer graphene. The interface of graphene with metals or metal-decorated substrates also provides for controlled chemical reactions based on novel functionality of the confined space between a metal surface and a graphene sheet.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-98CH10886
Assignee:
Brookhaven Science Associates, LLC (Upton, NY)
Patent Number(s):
8,728,433
Application Number:
13/468,592
OSTI ID:
1132268
Resource Relation:
Patent File Date: 2012 May 10
Country of Publication:
United States
Language:
English

References (15)

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Growth Mechanism of Graphene on Ru(0001) and O 2 Adsorption on the Graphene/Ru(0001) Surface journal April 2009
Quasi-Free-Standing Epitaxial Graphene on SiC Obtained by Hydrogen Intercalation journal December 2009
Chemistry under Cover: Tuning Metal−Graphene Interaction by Reactive Intercalation journal June 2010
Ultrathin Epitaxial Graphite:  2D Electron Gas Properties and a Route toward Graphene-based Nanoelectronics journal December 2004
Electronic states of the pristine and alkali-metal-intercalated monolayer graphite/Ni(111) systems journal December 1994
Graphene growth on polycrystalline Ru thin films journal September 2009
Monolayer graphene as ultimate chemical passivation layer for arbitrarily shaped metal surfaces journal December 2010
Graphene growth on epitaxial Ru thin films on sapphire journal November 2010
Electronic and Magnetic Properties of Quasifreestanding Graphene on Ni journal October 2008

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