Interconnection of carbon nanotubes by chemical functionalization

Chiu, P. W.; Duesberg, G. S.; Dettlaff-Weglikowska, U.; Roth, S.

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Interconnection of carbon nanotubes by chemical functionalization

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Chiu, P. W.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Duesberg, G. S.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

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Dettlaff-Weglikowska, U.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Roth, S.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Chiu, P. W., Duesberg, G. S., Dettlaff-Weglikowska, U., & Roth, S. (2002). Interconnection of carbon nanotubes by chemical functionalization. Applied Physics Letters, 80(20), 3811-3813.

Cite as: https://hdl.handle.net/21.11116/0000-000E-EC6F-D

Abstract

Intermolecular carbon nanotube junctions were formed by
coupling chemically functionalized nanotubes with molecular
linkers. An end-to-side or end-to-end heterojunction can be
formed by reacting chloride terminated nanotubes with aliphatic
diamine. The chemically modified nanotube mats were
characterized by Raman spectroscopy. The peak shift in the
tangential vibration mode reveals that the attached chemical
functional groups can behave as either an electron donor or an
acceptor, and facilitate charge transfer with the nanotube
host. The charge transfer is also verified by transport
measurements on individual end-to-side intermolecular
junctions, which show diode-like behavior. The charge transfer
can be attributed to amide functionality at the junction. (C)
2002 American Institute of Physics.