Nanowire p-n heterojunction diodes made by templated assembly of multilayer carbon-nanotube/polymer/semiconductor-particle shells around metal nanowires

Nina Ivanivna Kovtyukhova, Thomas E. Mallouk

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

The synthesis of nanowire p-n heterojunction diodes with tube-shells of multilayer carbon-nanotubes/polymer/semiconductor-particle around metal nanowire, was investigated. Three-layer polyaniline (PAN)/single-walled carbon nanotubes (SWNTox) films were grown on the walls of gold nanowires coated with multilayers of n-type TiO2 nanoparticles and W12O 41 ions to fabricate the p-n heterojunctions. The UV-vis spectra of films grown on a quartz substrate exhibited a regular increase in absorbance with the number of deposition cycles. The results show that metal nanowires coated with 12 nm thick multilayer tube-shells exhibits the characteristics of a built-in p-n junction at the TiO2/PAN interface.

Original languageEnglish (US)
Pages (from-to)187-192
Number of pages6
JournalAdvanced Materials
Volume17
Issue number2
DOIs
StatePublished - Jan 31 2005

Fingerprint

Carbon Nanotubes
Nanowires
Heterojunctions
Carbon nanotubes
Polymers
Multilayers
Diodes
Metals
Semiconductor materials
Polyaniline
Quartz
Single-walled carbon nanotubes (SWCN)
Gold
Ions
Nanoparticles
Substrates
polyaniline

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Nanowire p-n heterojunction diodes made by templated assembly of multilayer carbon-nanotube/polymer/semiconductor-particle shells around metal nanowires. / Kovtyukhova, Nina Ivanivna; Mallouk, Thomas E.

In: Advanced Materials, Vol. 17, No. 2, 31.01.2005, p. 187-192.

Research output: Contribution to journalArticle

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