Multi-walled carbon nanotubes were functionalized with thiol groups by chemical route. Exploiting the chemical affinity between thiol and gold an assembly of carbon nanotubes was obtained by spontaneous chemical adsorption to gold using Au-S bonds. The multi-walled carbon nanotubes were first chemically cut by acid treatment and then functionalized with short chain thiol (2-aminoethanethiol). Substrate dipping in a suspension of functionalized carbon nanotubes allows them to bond to the gold surface. The resultant products, as well as the intermediate were characterized by means of X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, visible spectroscopy, scanning electron microscopy and atomic force microscopy. (C) 2010 Elsevier B.V. All rights reserved.

Characterization of thiol-functionalized carbon nanotubes on gold surfaces / Minati, L; Speranza, G; Torrengo, S; Toniutti, L; Migliaresi, C; Maniglio, D; Ferrari, M; Chiasera, A. - In: SURFACE SCIENCE. - ISSN 0039-6028. - 604:17-18(2010), pp. 1414-1419. [10.1016/j.susc.2010.05.002]

Characterization of thiol-functionalized carbon nanotubes on gold surfaces

Maniglio D;Chiasera A
2010-01-01

Abstract

Multi-walled carbon nanotubes were functionalized with thiol groups by chemical route. Exploiting the chemical affinity between thiol and gold an assembly of carbon nanotubes was obtained by spontaneous chemical adsorption to gold using Au-S bonds. The multi-walled carbon nanotubes were first chemically cut by acid treatment and then functionalized with short chain thiol (2-aminoethanethiol). Substrate dipping in a suspension of functionalized carbon nanotubes allows them to bond to the gold surface. The resultant products, as well as the intermediate were characterized by means of X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, visible spectroscopy, scanning electron microscopy and atomic force microscopy. (C) 2010 Elsevier B.V. All rights reserved.
2010
17-18
Minati, L; Speranza, G; Torrengo, S; Toniutti, L; Migliaresi, C; Maniglio, D; Ferrari, M; Chiasera, A
Characterization of thiol-functionalized carbon nanotubes on gold surfaces / Minati, L; Speranza, G; Torrengo, S; Toniutti, L; Migliaresi, C; Maniglio, D; Ferrari, M; Chiasera, A. - In: SURFACE SCIENCE. - ISSN 0039-6028. - 604:17-18(2010), pp. 1414-1419. [10.1016/j.susc.2010.05.002]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/342934
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