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Stability of carbon nanotubes to laser irradiation probed by Raman spectroscopy
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0002-5145-1560
Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, Nancy Université.
Laboratoire de Chimie du Solide Minéral, Nancy Université.
Vise andre og tillknytning
2008 (engelsk)Inngår i: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 245, nr 10, s. 2212-2215Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report on a systematic study of the influence of laser irradiation on the Raman spectra of HiPco-produced single-wall CNTs. Specifically, we have examined the Raman response of bundled CNTs to: i) laser power density; ii) exposure time and iii) photon energy (1.96 and 2.33 eV). Our results show that irreversible destruction of CNTs in the bundles can occur at even low laser power density (0.15 kW/cm2). The tubes with smaller diameters are influenced first and the rate of CNT destruction increases with photon energy. Finally, we determined that when investigating destruction of CNT bundles, the use of a low laser power density is required because changes in the structure of the bundles can lead to sample temperature changes for otherwise identical measurement parameters. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

sted, utgiver, år, opplag, sider
2008. Vol. 245, nr 10, s. 2212-2215
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URN: urn:nbn:se:ltu:diva-7792DOI: 10.1002/pssb.200879661ISI: 000260581800075Scopus ID: 2-s2.0-54949141789Lokal ID: 637190a0-c3ca-11dd-80bd-000ea68e967bOAI: oai:DiVA.org:ltu-7792DiVA, id: diva2:980682
Merknad
Validerad; 2008; 20081206 (ysko)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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