Graphene quantum dots and method of making
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United States of America Patent
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May 2, 2017
Grant Date -
Oct 8, 2015
app pub date -
Apr 25, 2014
filing date -
Apr 25, 2013
priority date (Note) -
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Abstract
A method for forming a graphene quantum dot product includes adding an organic starting material to a vessel and heating the organic starting material to a temperature within 20° C. of the organic starting material's boiling temperature for a time no longer than ten minutes to form graphene quantum dots. A method for sensing a graphene quantum dot includes forming a graphene quantum dot, exciting the graphene quantum dot with light having a first wavelength, measuring light emitted by the excited graphene quantum dot at a second wavelength different from the first wavelength. A graphene quantum dot includes carbon atoms and nitrogen atoms where the nitrogen atoms are present within the graphene quantum dot at a level between 6.0% and 11.0% of a level of carbon atoms present in the graphene quantum dot.
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International Classification(s)
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
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