Method for DNA defined etching of a graphene nanostructure
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United States of America
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Mar 10, 2020
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Dec 27, 2018
app pub date -
May 25, 2018
filing date -
May 25, 2018
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Abstract
Disclosed is a method for etching graphene using a DNA sample of a predetermined DNA shape. The DNA sample is preferably placed onto a reaction area of a piece of highly oriented pyrolytic graphite (HOPG), and both the DNA sample and HOPG are then preferably placed into a humidity-controlled chamber. Humidity is preferably applied to the HOPG to produce a film of water across the surface of the DNA sample. Electrical voltage is also applied to the HOPG to create potential energy for the etching process. After the etching is completed, the reaction area is typically rinsed with deionized water.
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