Identification of Electron Donor States in N-Doped Carbon Nanotubes

R. Czerw; M. Terrones; J. C. Charlier; X. Blase; B. Foley; R. Kamalakaran; N. Grobert; H. Terrones; D. Tekleab; P. M. Ajayan; W. Blau; M. Rühle; D. L. Carroll

doi:10.1021/nl015549q

Identification of Electron Donor States in N-Doped Carbon Nanotubes

R. Czerw, M. Terrones, J. C. Charlier, X. Blase, B. Foley, R. Kamalakaran, N. Grobert, H. Terrones, D. Tekleab, P. M. Ajayan, W. Blau, M. Rühle, D. L. Carroll

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735 Scopus citations

Abstract

Nitrogen-doped carbon nanotubes have been synthesized using pyrolysis and characterized by scanning tunneling spectroscopy and transmission electron microscopy. The doped nanotubes are all metallic and exhibit strong electron donor states near the Fermi level. Using tight-binding and ab initio calculations, we observe that pyridine-like N structures are responsible for the metallic behavior and the prominent features near the Fermi level. These electron rich structures are the first example of n-type nanotubes, which could pave the way to real molecular heterojunction devices.

Original language	English (US)
Pages (from-to)	457-460
Number of pages	4
Journal	Nano letters
Volume	1
Issue number	9
DOIs	https://doi.org/10.1021/nl015549q
State	Published - Sep 2001

All Science Journal Classification (ASJC) codes

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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title = "Identification of Electron Donor States in N-Doped Carbon Nanotubes",

abstract = "Nitrogen-doped carbon nanotubes have been synthesized using pyrolysis and characterized by scanning tunneling spectroscopy and transmission electron microscopy. The doped nanotubes are all metallic and exhibit strong electron donor states near the Fermi level. Using tight-binding and ab initio calculations, we observe that pyridine-like N structures are responsible for the metallic behavior and the prominent features near the Fermi level. These electron rich structures are the first example of n-type nanotubes, which could pave the way to real molecular heterojunction devices.",

author = "R. Czerw and M. Terrones and Charlier, {J. C.} and X. Blase and B. Foley and R. Kamalakaran and N. Grobert and H. Terrones and D. Tekleab and Ajayan, {P. M.} and W. Blau and M. R{\"u}hle and Carroll, {D. L.}",

year = "2001",

month = sep,

doi = "10.1021/nl015549q",

language = "English (US)",

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journal = "Nano letters",

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T1 - Identification of Electron Donor States in N-Doped Carbon Nanotubes

AU - Czerw, R.

AU - Terrones, M.

AU - Charlier, J. C.

AU - Blase, X.

AU - Foley, B.

AU - Kamalakaran, R.

AU - Grobert, N.

AU - Terrones, H.

AU - Tekleab, D.

AU - Ajayan, P. M.

AU - Blau, W.

AU - Rühle, M.

AU - Carroll, D. L.

PY - 2001/9

Y1 - 2001/9

N2 - Nitrogen-doped carbon nanotubes have been synthesized using pyrolysis and characterized by scanning tunneling spectroscopy and transmission electron microscopy. The doped nanotubes are all metallic and exhibit strong electron donor states near the Fermi level. Using tight-binding and ab initio calculations, we observe that pyridine-like N structures are responsible for the metallic behavior and the prominent features near the Fermi level. These electron rich structures are the first example of n-type nanotubes, which could pave the way to real molecular heterojunction devices.

AB - Nitrogen-doped carbon nanotubes have been synthesized using pyrolysis and characterized by scanning tunneling spectroscopy and transmission electron microscopy. The doped nanotubes are all metallic and exhibit strong electron donor states near the Fermi level. Using tight-binding and ab initio calculations, we observe that pyridine-like N structures are responsible for the metallic behavior and the prominent features near the Fermi level. These electron rich structures are the first example of n-type nanotubes, which could pave the way to real molecular heterojunction devices.

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DO - 10.1021/nl015549q

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SP - 457

EP - 460

JO - Nano letters

JF - Nano letters

IS - 9

ER -

Identification of Electron Donor States in N-Doped Carbon Nanotubes

Abstract

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