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  Self-assembled gold nanoparticle/dendrimer composite films for vapor sensing applications

Krasteva, N., Besnard, I., Guse, B., Bauer, R. E., Müllen, K., Yasuda, A., et al. (2002). Self-assembled gold nanoparticle/dendrimer composite films for vapor sensing applications. Nano Letters, 2(5), 551-555.

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Krasteva, N., Author
Besnard, I., Author
Guse, B., Author
Bauer, R. E.1, Author              
Müllen, Klaus1, Author              
Yasuda, A., Author
Vossmeyer, T., Author
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: Vapor-sensitive thin-film resistors comprising gold nanoparticles and different types of organic dendrimers (polyphenylene, poly(propylene imine) and poly(amidoamine)) were prepared via layer-by-layer self-assembly and characterized by UV/vis spectroscopy, atomic force microscopy, and conductivity measurements, While the metal nanoparticles were utilized to provide the film material with electric conductivity, the dendrimers served to cross-link the nanoparticles and to provide sites for the selective sorption of analyte molecules. Dosing the films with vapors of toluene, 1-propanol, and water significantly increased the film resistances. The chemical selectivity of this response was controlled by the solubility properties of the dendrimers.

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Language(s): eng - English
 Dates: 2002-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28491
ISI: 000175609200023
 Degree: -

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Title: Nano Letters
  Alternative Title : Nano Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 2 (5) Sequence Number: - Start / End Page: 551 - 555 Identifier: ISSN: 1530-6984