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  The controlled deposition of metal oxides onto carbon nanotubes by atomic layer deposition: examples and a case study on the application of V2O4 coated nanotubes in gas sensing

Willinger, M. G., Neri, G., Bonavita, A., Micali, G., Rauwel, E., Herntrich, T., et al. (2009). The controlled deposition of metal oxides onto carbon nanotubes by atomic layer deposition: examples and a case study on the application of V2O4 coated nanotubes in gas sensing. Physical Chemistry Chemical Physics, 11, 3615-3622. doi:10.1039/b821555c.

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 Creators:
Willinger, Marc Georg1, Author           
Neri, Giovanni, Author
Bonavita, Anna, Author
Micali, Giuseppe, Author
Rauwel, Erwan, Author
Herntrich, Tobias, Author
Pinna, Nicola, Author
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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Free keywords: atomic layer deposition; nanotubes, carbon; Carbon
 Abstract: A new atomic layer deposition (ALD) process was applied for the uniform coating of carbon nanotubes with a number of transition-metal oxide thin films (vanadium, titanium, and hafnium oxide). The presented approach is adapted from non-aqueous sol–gel chemistry and utilizes metal alkoxides and carboxylic acids as precursors. It allows the coating of the inner and outer surface of the tubes with a highly conformal film of controllable thickness and hence, the production of high surface area hybrid materials. The morphology and the chemical composition as well as the high purity of the films are evidenced through a combination of electron microscopic and electron-energy-loss spectrometric techniques. Furthermore, in order to highlight a possible application of the obtained hybrids, the electrical and sensing properties of resistive gas sensors based on hybrid vanadium oxide-coated carbon nanotubes (V2O4–CNTs) are reported and the effect of thermal treatment on the gas sensing properties is studied.

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Language(s): eng - English
 Dates: 2009-03
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 446522
DOI: 10.1039/b821555c
 Degree: -

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Title: Physical Chemistry Chemical Physics
Source Genre: Journal
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Publ. Info: Cambridge [England] : Royal Society of Chemistry
Pages: - Volume / Issue: 11 Sequence Number: - Start / End Page: 3615 - 3622 Identifier: ISSN: 1463-9076
CoNE: https://pure.mpg.de/cone/journals/resource/954925272413_1