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Issue 11, 2014
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Optical absorption and scattering spectroscopies of single nano-objects

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Developments of optical detection and spectroscopy methods for single nano-objects are key advances for applications and fundamental understanding of the novel properties exhibited by nanosize systems. These methods are reviewed, focusing on far-field optical approaches based on light absorption and elastic scattering. The principles of the main linear and nonlinear methods are described and experimental results are illustrated in the case of metal nanoparticles, stressing the key role played by the object environment, such as the presence of a substrate, bound surface molecules or other nano-objects. Special attention is devoted to quantitative methods and correlation of the measured optical spectra of a nano-object with its morphology, characterized either optically or by electron microscopy, as this permits precise comparison with theoretical models. Application of these methods to optical detection and spectroscopy for single semiconductor nanowires and carbon nanotubes is also presented. Extension to ultrafast nonlinear extinction or scattering spectroscopies of single nano-objects is finally discussed in the context of investigation of their nonlinear optical response and their electronic, acoustic and thermal properties.

Graphical abstract: Optical absorption and scattering spectroscopies of single nano-objects

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Publication details

The article was received on 16 Oct 2013 and first published on 10 Apr 2014

Article type: Review Article
DOI: 10.1039/C3CS60367A
Chem. Soc. Rev., 2014,43, 3921-3956

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    Optical absorption and scattering spectroscopies of single nano-objects

    A. Crut, P. Maioli, N. Del Fatti and F. Vallée, Chem. Soc. Rev., 2014, 43, 3921
    DOI: 10.1039/C3CS60367A

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