Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate
2004-09-17
2010-06-08
Silverman, Stanley S. (Department: 1793)
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
C423S447100, C423S447300, C977S745000
Reexamination Certificate
active
07731929
ABSTRACT:
Methods of aligning single walled carbon nanotube structures into selected orientations for a variety of different applications are achieved by initially dispersing the nanotube structures in aqueous solutions utilizing a suitable dispersal agent. The dispersal agent coats each individual nanotube structure in solution. The dispersal agent may be substituted with a suitable functional group that reacts with a corresponding binding site. Dispersed nanotube structures coated with substituted dispersal agents are exposed to a selected array of binding sites such that the nanotubes align with the binding sites due to the binding of the substituted functional groups with such binding sites. Alternatively, crystalline nanotube material is formed upon deposition of dispersed nanotube structures within solution into channels disposed on the surface of the substrate. Combining dispersal agent chemical modification techniques with deposition of the nanotubes into substrate channels is also utilized to produce useful structures.
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Battelle (Memorial Institute)
McCracken Daniel C.
Rosenberg Frank
Silverman Stanley S.
Wiesmann Klaus
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