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Issue 15, 2019
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Two-photon absorption and photoluminescence of colloidal gold nanoparticles and nanoclusters

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Abstract

This review provides a comprehensive description of nonlinear optical (NLO) properties of gold nanoparticles, which can be used in biological applications. The main focus is placed on two-photon absorption (2PA) and two-photon excited photoluminescence (2PEL) – the processes crucial for multiphoton microscopy, which allows deeper imaging of the material and causes less damage to the biological samples in comparison to conventional (one-photon) microscopy. We present the basics of 2PA measurement techniques and a summary of recent achievements in the understanding of multiphoton excitation and the resulting photoluminescence in gold nanoparticles, both plasmonic ones and small nanoclusters with molecule-like properties. The examples of 2PA applications in bioimaging are also presented, with a comment on future challenges and applications.

Graphical abstract: Two-photon absorption and photoluminescence of colloidal gold nanoparticles and nanoclusters

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Article information


Submitted
25 Feb 2019
First published
11 Jul 2019

Chem. Soc. Rev., 2019,48, 4087-4117
Article type
Review Article

Two-photon absorption and photoluminescence of colloidal gold nanoparticles and nanoclusters

J. Olesiak-Banska, M. Waszkielewicz, P. Obstarczyk and M. Samoc, Chem. Soc. Rev., 2019, 48, 4087 DOI: 10.1039/C8CS00849C

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