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Long Distance Enhan...
Long Distance Enhancement of Nonlinear Optical Properties Using Low Concentration of Plasmonic Nanostructures in Dye Doped Monolithic Sol-Gel Materials.
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- Chateau, Denis (författare)
- Laboratoire de Chimie, Université de Lyon, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1
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- Liotta, Adrien (författare)
- Laboratoire de Chimie, Université de Lyon, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1
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- Lundén, Hampus (författare)
- Electrooptical Systems, Swedish Defence Research Agency (FOI)
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- Lerouge, Frederic (författare)
- Laboratoire de Chimie, Université de Lyon, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1
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- Chaput, Frederic (författare)
- Laboratoire de Chimie, Université de Lyon, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1
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- Krein, Douglas (författare)
- Air Force Research Laboratory
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- Cooper, Thomas (författare)
- Air Force Research Laboratory
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- Lopes, Cesar (författare)
- Electrooptical Systems, Swedish Defence Research Agency (FOI)
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- El-Amay, Ali A. G. (författare)
- Department on Physics, Norwegian University of Science and Technology
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- Lindgren, Mikael (författare)
- Department on Physics, Norwegian University of Science and Technology
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- Parola, Stephane (författare)
- Laboratoire de Chimie, Université de Lyon, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1
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(creator_code:org_t)
- 2016-05-31
- 2016
- Engelska.
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Ingår i: Advanced Functional Materials. - Weinheim : Wiley. - 1616-301X .- 1616-3028. ; 26:33
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Monolithic sol-gel silica composites incorporating platinum-based chromophores and various types of gold nanoparticles (AuNPs) are prepared and polished to high optical quality. Their photophysical properties are investigated. The glass materials show well-defined localized surface plasmon resonance (SPR) absorbance from the visible to NIR. No redshifts of the AuNP plasmon absorption peaks due to the increase in nanoparticle doping concentration are observed in the glasses, proving that no or very small SPR coupling effects occur between the AuNPs. At 600 nm excitation, but not at 532 nm, the AuNPs improve the nonlinear absorption performance of glasses codoped with 50 × 10−3 m of a Pt-acetylide chromophore. The glasses doped with lower concentrations of AuNPs (2-5 μm average distance) and 50 × 10−3 m in chromophore, show a marked improvement in nonlinear absorption, with no or only small improvement for the more highly AuNP doped glasses. This study shows the importance of excitation wavelength and nanoparticle concentration for composite systems employing AuNPs to improve two-photon absorption of chromophores. [ABSTRACT FROM AUTHOR]
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- hybrid material
- nonlinear absorption
- nonlinear optics
- plasmon
- sol-gel
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Chateau, Denis
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Liotta, Adrien
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Lundén, Hampus
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Lerouge, Frederi ...
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Chaput, Frederic
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Krein, Douglas
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visa fler...
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Cooper, Thomas
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Lopes, Cesar
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El-Amay, Ali A. ...
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Lindgren, Mikael
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Parola, Stephane
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visa färre...
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