Title :
Photothermal absorption spectroscopy of individual gold nanoparticles and CdSe/ZnS semiconductor nanocrystals
Author :
Berciaud, Stéphane ; Cognet, Laurent ; Lasne, David ; Blab, Gerhard A. ; Lounis, Brahim
Author_Institution :
Centre de Phys. Moleculaire Opt. et Hertzienne, Univ. de Bordeaux 1, Talence
Abstract :
We present a newly developed photothermal imaging technique to perform absorption spectroscopy of individual nano-objects. Intrinsic size effects in the surface plasmon resonance of gold nanoparticles and CdSe/ZnS nanocrystals in the multiexcitonic regime are studied.
Keywords :
II-VI semiconductors; cadmium compounds; gold; nanoparticles; photoluminescence; refractive index; surface plasmon resonance; thermo-optical effects; wide band gap semiconductors; zinc compounds; Au; CdSe-ZnS; gold nanoparticles; intrinsic size effect; multiexcitonic regime; photoluminescence; photothermal absorption spectroscopy; refractive index; semiconductor nanocrystals; surface plasmon resonance; Absorption; Gold; Laser beams; Nanocrystals; Nanoparticles; Optical imaging; Optical scattering; Resonance; Spectroscopy; Zinc compounds; (180.0180) Microscopy; (260.3910) Optics of Metals; (290.4020) Mie theory; (300.1030) Absorption; (350.5340) Photothermal effects; 260.3800 Luminescence; 300.6470 Spectroscopy, semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629092
