Interconnection of carbon nanotubes by chemical functionalization

被引：185

作者：

Chiu, PW

Duesberg, GS

Dettlaff-Weglikowska, U

Roth, S

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[2] Infineon Technol, CPR NP, D-81739 Munich, Germany

来源：

APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 20期

关键词：

D O I：

10.1063/1.1480487

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

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页码：3811 / 3813

页数：3

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