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Record Nr. |
UNINA9910298590503321 |
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Autore |
Antoine Rodolphe |
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Titolo |
Liganded silver and gold quantum clusters. Towards a new class of nonlinear optical nanomaterials / / by Rodolphe Antoine, Vlasta Bonačić-Koutecký |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018 |
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ISBN |
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Edizione |
[1st ed. 2018.] |
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Descrizione fisica |
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1 online resource (XI, 82 p. 35 illus., 30 illus. in color.) |
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Collana |
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SpringerBriefs in Materials, , 2192-1091 |
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Disciplina |
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Soggetti |
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Optical materials |
Electronics - Materials |
Lasers |
Photonics |
Chemistry, Physical and theoretical |
Nanoscience |
Nanostructures |
Nanotechnology |
Optical and Electronic Materials |
Optics, Lasers, Photonics, Optical Devices |
Theoretical and Computational Chemistry |
Nanoscale Science and Technology |
Nanotechnology and Microengineering |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters. |
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Nota di contenuto |
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1 Introduction.Background -- 2 Microscopic theory of nonlinear optics for two-photon processes -- 3 Computational Evaluation of Optical Nonlinearities -- 4 Liganded noble metal nanoclusters as new NLO chromophores -- 5 Measurement Techniques of Optical Nonlinearities: Two-photon -- 6 Case studies: Experimental and theoretical -- 7 Summary and future directions -- Index. |
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Sommario/riassunto |
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Metallic quantum clusters belonging to intermediate size regime between two and few hundred of atoms, represent unique building |
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blocks of new materials. Nonlinear optical (NLO) characteristics of liganded silver and gold quantum clusters reveal remarkable features which can be tuned by size, structure and composition. The two-photon absorption cross sections of liganded noble metal quantum clusters are several orders of magnitude larger than that of commercially-available dyes. Therefore, the fundamental photophysical understanding of those two-photon processes in liganded clusters with few metal atoms deserve special attention, in particularly in context of finding the mechanisms responsible for these properties. A broad range of state-of-the-art experimental methods to determine nonlinear optical properties (i.e. two-photon absorption, two-photon excited fluorescence and second harmonic generation) of quantum clusters are presented. The experimental setup and underlying physical concepts are described. Furthermore, the theoretical models and corresponding approaches are used allowing to explain the experimental observations and simultaneously offering the possibility to deduce the key factors necessary to design new classes of nanoclusters with large NLO properties. Additionally, selected studied cases of liganded silver and gold quantum clusters with focus on their NLO properties will be presented as promising candidates for applications in imaging techniques such as fluorescence microscopy or Second-Harmonic Generation microscopy. . |
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