Deposition of functionalized single wall carbon nanotubes through matrix assisted pulsed laser evaporation

Ángel Pérez Del Pino, Enikö György, Laura Cabana, Belén Ballesteros, Gerard Tobias

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    27 Citations (Scopus)


    Single-wall carbon nanotubes (SWCNTs) functionalized with oxygen-containing groups were deposited onto glass substrates by matrix assisted pulsed laser evaporation (MAPLE). The experiments were performed by subjecting ultraviolet laser pulses (KrF excimer laser, 248 nm wavelength) to frozen SWCNT-toluene targets placed in a parallel plane a few cm in front of the substrate. The morphology, structure, and chemical composition of the deposited materials were studied through atomic force microscopy, high resolution transmission electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. The influence of the laser fluence on the material structure was investigated. The results indicate that the functionalized SWCNTs can be transferred by MAPLE at low laser fluences without the alteration of the structure of the initial material used as targets in MAPLE experiments. An increase of the fluence leads to the decomposition of the functional groups, mainly carboxylic acid groups, without degradation of the SWCNT structure whereas, at the highest fluences, the amorphization and even coalescence of the carbon nanotubes takes place. © 2012 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)4450-4458
    Issue number12
    Publication statusPublished - 1 Oct 2012


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