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Fabrication of Carbon Nanoribbons from Carbon Nanotube Arrays

United States Patent Application

20170247257
A1
View the Complete Application at the US Patent & Trademark Office
Inter-allotropic transformations of carbon are provided using moderate conditions including alternating voltage pulses and modest temperature elevation. By controlling the pulse magnitude, small-diameter single-walled carbon nanotubes are transformed into larger-diameter single-walled carbon nanotubes, multi-walled carbon nanotubes of different morphologies, and multi-layered graphene nanoribbons.
JUNG, Yung Joon (Lexington, MA), JUNG, Hyun Young (Malden, MA), KAR, Swastik (Belmont, MA), AHN, Chi Won (Deajeon, KR), DRESSELHAUS, Mildred (Arlington, MA), ARAUJO, Paulo Antonio Trindade (Belo Horizonte-MG, BR)
15/ 510,789
September 14, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] The invention was developed with financial support from Grant Nos. CMMI 0927088 and ECCS-1202376 from the National Science Foundation and Department of Energy Contract No. DE-SC0001299/DE-FG02-09EF46577. The U.S. Government has certain rights in the invention.