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  A supramolecular approach for the facile solubilization and separation of covalently functionalized single-walled carbon nanotubes

Bosch, S., Zeininger, L., Hauke, F., & Hirsch, A. (2014). A supramolecular approach for the facile solubilization and separation of covalently functionalized single-walled carbon nanotubes. Chemistry – A European Journal, 20(9), 2537-2541. doi:10.1002/chem.201303506.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-45EE-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-45EF-1
Genre: Journal Article

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Bosch, Sebastian, Author
Zeininger, Lukas1, Author              
Hauke, Frank, Author
Hirsch, Andreas, Author
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1External Organizations, ou_persistent22              

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Free keywords: allotropes, carbon, nanotubes, selectivity, supramolecular chemistry
 Abstract: Through a combination of an electronic-type selective diazonium-based attachment of a Hamilton receptor unit onto the carbon nanotube framework and a supramolecular recognition approach of a cyanuric acid derivative, we herein introduce a highly promising strategy for the tuning of carbon nanotube solubility and, directly related to that, a solution-based easy and straightforward separation of covalently functionalized carbon nanotube derivatives with respect to their unfunctionalized counterparts. The supramolecular complexation of the cyanuric acid derivative provides the driving force for the dramatically increased dispersibility and for the long-time stability of the individualized single-walled carbon nanotube derivatives in chloroform. The selective covalent functionalization of metallic carbon nanotubes can easily be analyzed with the aid of scanning Raman microscopy techniques. The functional derivatives have furthermore been characterized by UV/Vis-NIR and fluorescence spectroscopy as well as by mass spectrometric coupled thermogravimetric analysis. The investigation of the supramolecular complexation is based on an in-depth UV/Vis-NIR analysis and atomic force microscopy investigations.[on SciFinder (R)]

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 Dates: 2014
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/chem.201303506
 Degree: -

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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 20 (9) Sequence Number: - Start / End Page: 2537 - 2541 Identifier: ISSN: 0947-6539