Journal
SMALL
Volume 11, Issue 11, Pages 1320-1327Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201401697
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Funding
- Alexander von Humboldt-Stiftung
- Max Planck Society
- RFBR [12-03-33088 mol_a_ved]
- government of the Russian Federation [14.Z50.31.0004]
- FWO (Fonds Wetenschappelijk Onderzoek) Vlaanderen
- BOF (Bijzonder Onderzoeksfonds) of Ghent University
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The real-time temperature measurement of nanostructured materials is particularly attractive in view of increasing needs of local temperature probing with high sensitivity and resolution in nanoelectronics, integrated photonics, and biomedicine. Light-induced heating and Raman scattering of single-walled carbon nanotubes with adsorbed gold nanoparticles decorating silica microparticles are reported, by both green and near IR lasers. The plasmonic shell is used as nanoheater, while the single-walled carbon nanotubes are Raman active and serve as a thermometer. Stokes and Anti-Stokes Raman spectra of single-walled carbon nanotubes serve to estimate the effective light-induced temperature rise on the metal nanoparticles. The temperature rise is constant with time, indicating stability of the adsorption density. The effective temperatures derived from Stokes and Anti-Stokes intensities are correlated with those measured in a heating stage. The resolution of the thermal experiments in our study was found to be 5-40 K.
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