Methods for perforating multi-layer graphene through ion bombardment

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United States of America Patent

PATENT NO 9649718
APP PUB NO 20150336202A1
SERIAL NO

14819273

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Abstract

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Multi-layer sheets of graphene-based material having a plurality of pores extending therethrough are described herein. Methods for making the sheets include exposing a graphene-based material comprising multilayer graphene having from 5 to 20 layers of graphene to a particle beam having an ion energy of at least about 1500 eV to create damage tracks in the graphene sheets. The damage tracks in the graphene sheets are then exposed to a chemical etchant, such as an oxidant to define pores through the stacked graphene sheets. Production of the damage tracks and etching of the damage tracks can take place while the graphene is disposed on a substrate.

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Patent Owner(s)

  • LOCKHEED MARTIN CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bedworth, Peter V Los Gatos, US 41 1133
Swett, Jacob L Redwood City, US 16 337

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