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Title

Effect of laser radiation on multi-wall carbon nanotubes: study of shell structure and immobilization process

AuthorsGyorgy, Eniko ; Pérez del Pino, Ángel ; Roqueta, Jaume ; Ballesteros, Belén ; Cabana, Laura ; Tobias, Gerard
KeywordsLaser transfer
Multi-wall carbon nanotubes
Issue Date2013
PublisherSpringer
CitationJournal of Nanoparticle Research 15: 1852 (2013)
AbstractMulti-wall carbon nanotubes (MWCNTs) with diameters between 10 and 15 nm were transferred and immobilized onto SiO2 glass substrates by ultraviolet matrix assisted pulsed laser evaporation (UV-MAPLE). Toluene was chosen as solvent material for the preparation of the composite MAPLE targets. An UV KrF(λ = 248 nm, τ FWHM ≅ 25 ns, ν = 10 Hz) excimer laser source was used for the irradiation experiments. The effects of incident laser fluence on the structure of the laser transferred MWCNTs was investigated by high resolution transmission electron microscopy and Raman spectroscopy. The surface morphology of the laser processed MWCNTs was investigated by field emission scanning electron microscopy and atomic force microscopy in acoustic (dynamic) configuration. Network-like structures constituted by individual nanotubes and nanotube bundles were created onto solid substrates. Changes in the nanotubes' shell structure can be induced through the tuning of the laser fluence value incident onto the composite MAPLE targets. © 2013 Springer Science+Business Media Dordrecht.
URIhttp://hdl.handle.net/10261/99286
DOI10.1007/s11051-013-1852-6
Identifiersdoi: 10.1007/s11051-013-1852-6
issn: 1388-0764
e-issn: 1572-896X
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