Carbon nanofibers with sharp tip ends and a carbon nanofibers growth method using a palladium catalyst
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United States of America Patent
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May 15, 2018
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Jul 24, 2015
filing date -
Oct 10, 2014
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Abstract
The present invention relates to a carbon nanofibers growth method including (S1) depositing an alumina layer on a silicon substrate, (S2) depositing palladium on the alumina layer to form a palladium catalyst layer, and (S3) growing carbon nanofibers on the palladium catalyst layer by a chemical vapor deposition (CVD) method, and carbon nanofibers vertically grown on an alumina layer-deposited silicon substrate, the carbon nanofibers having tip ends with a radius of curvature less than or equal to 5 nm, a diameter less than or equal to 50 nm, a length more than or equal to 1 mm, and a length-diameter aspect ratio more than or equal to 50,000.
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