Ligand-Core NLO-Phores

Two-Photon Absorption and Two-Photon Excited Emission Properties of Atomically Precise Clusters of Gold and Silver
  • Rodolphe AntoineEmail author
Part of the Challenges and Advances in Computational Chemistry and Physics book series (COCH, volume 26)


Functional ligand-protected noble metal cluster nanomaterials with enhanced two-photon absorption and two-photon excited emission may lead to new technologies for bio-imaging applications. In this article, I review experimental and theoretical methodologies allowing detailed investigation of two-photon absorption/emission properties of ligand-protected silver and gold metal clusters. This includes femtosecond two-photon excited fluorescence experimental setups and quantum chemical methodologies based on time-dependent density functional theory. I thoroughly analyze physical phenomena and trends leading to large two-photon absorption/emission responses of model nanoclusters focusing on the effects of the relaxation pathways in the linear and nonlinear optical regime, as well as strategies aiming at enhancing their two-photon emission responses.



Most of the work presented would not have been possible without the fruitful collaborations with Isabelle Russier-Antoine, Franck Bertorelle, Željka Sanader, Marjan Krstić, Philippe Dugourd, Pierre-François Brevet, and Vlasta Bonačić-Koutecký. Therefore, I wish to express my deepest gratitude to them. Furthermore, I would like to acknowledge financial support of the French-Croatian project “International Laboratory for Nano Clusters and Biological Aging, LIA NCBA.”


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Authors and Affiliations

  1. 1.Institut Lumière Matière, UMR5306 Université Claude Bernard Lyon1-CNRS, Université de LyonVilleurbanne CedexFrance

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