DEFECT-FREE GRAPHENE AND METHODS FOR PRODUCING THE SAME
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United States of America Patent
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Dec 3, 2020
app pub date -
Feb 24, 2020
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Feb 22, 2019
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A defect-free graphene and a method of making a defect-free graphene. A method for synthesizing defect-free graphene, the method including providing a graphene precursor to a flow-aided sonication apparatus, the graphene precursor comprised of particulates, wherein the flow-aided sonication apparatus comprises: a flow channel positioned along an axis, the flow channel having a first opening and a second opening, the second opening opposite of the first opening, wherein the graphene precursor enters the flow channel through the first opening; aligning edges of the particulates parallel to axis A; and imposing sonication shockwave to the edges of the aligned particulates of the graphene precursor, wherein the sonication shockwave is imposed to the graphene precursor in a propagation direction perpendicular to the edges of the particulates such that planes of the sonication shockwave are parallel to the edges of the particulates, thereby synthesizing defect-free graphene.
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