Method for manufacturing graphene film, graphene film manufactured by same, electronic device comprising the graphene film
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United States of America Patent
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Feb 14, 2017
Grant Date -
Apr 9, 2015
app pub date -
Aug 11, 2014
filing date -
Oct 7, 2013
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Abstract
A method for manufacturing graphene is provided, comprising (1) introducing a supporting substrate in a reactor; (2) preparing (nano) crystalline alumina catalyst having catalytic activity on the supporting substrate to prepare an insulating substrate; (3) growing nano graphenes on the insulating substrate to manufacture graphene film comprising graphene layer of the nano graphenes, which are grown without use of metal catalyst substantially. The graphene layer composed of the nano graphene has spatially homogeneous structural and electrical properties even in synthesis as large area and can be applied to flexible electronic devices.
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