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

fYear

2006

fDate

21-26 May 2006

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

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

Type

conf

DOI

10.1109/CLEO.2006.4629092

Filename

4629092