Plasmonic and Nonlinear Optical Absorption Properties of Ag:$ ZrO_{2} $ Nanocomposite Thin Films
Abstract Ag nanoparticles (NPs) embedded in a zirconium oxide matrix in the form of Ag:$ ZrO_{2} $ nanocomposite (NC) thin films were synthesized by using the sol–gel technique followed by thermal annealing. With the varying of the concentration of Ag precursor and annealing conditions, average sizes (diameters) of Ag nanoparticles (NPs) in the nanocomposite film have been varied from 7 to 20 nm. UV–VIS absorption studies reveal the surface plasmon resonance (SPR)-induced absorption in the visible region, and the SPR peak intensity increases with the increasing of the Ag precursor as well as with the annealing duration. A red shift in SPR peak position with the increase in the Ag precursor concentration confirms the growth of Ag NPs. Surface topographies of these NC films showed that deposited films are dense, uniform, and intact during the variation in annealing conditions. The magnitude and sign of absorptive nonlinearities were measured near the SPR of the Ag NPs with an open-aperture z-scan technique using a nanosecond-pulsed laser. Saturable optical absorption in NC films was identified having saturation intensities in the order of $ 10^{12} $ W/$ m^{2} $. Such values of saturation intensities with the possibility of size-dependent tuning could enable these NC films to be used in nanophotonic applications..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2013 |
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| Erschienen: |
2013 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Plasmonics - 9(2013), 1 vom: 04. Aug., Seite 129-136 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kumar, Manish [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Ag nanoparticles |
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| Anmerkungen: |
© Springer Science+Business Media New York 2013 |
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| doi: |
10.1007/s11468-013-9605-z |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2067741691 |
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| 245 | 1 | 0 | |a Plasmonic and Nonlinear Optical Absorption Properties of Ag:$ ZrO_{2} $ Nanocomposite Thin Films |
| 264 | 1 | |c 2013 | |
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| 520 | |a Abstract Ag nanoparticles (NPs) embedded in a zirconium oxide matrix in the form of Ag:$ ZrO_{2} $ nanocomposite (NC) thin films were synthesized by using the sol–gel technique followed by thermal annealing. With the varying of the concentration of Ag precursor and annealing conditions, average sizes (diameters) of Ag nanoparticles (NPs) in the nanocomposite film have been varied from 7 to 20 nm. UV–VIS absorption studies reveal the surface plasmon resonance (SPR)-induced absorption in the visible region, and the SPR peak intensity increases with the increasing of the Ag precursor as well as with the annealing duration. A red shift in SPR peak position with the increase in the Ag precursor concentration confirms the growth of Ag NPs. Surface topographies of these NC films showed that deposited films are dense, uniform, and intact during the variation in annealing conditions. The magnitude and sign of absorptive nonlinearities were measured near the SPR of the Ag NPs with an open-aperture z-scan technique using a nanosecond-pulsed laser. Saturable optical absorption in NC films was identified having saturation intensities in the order of $ 10^{12} $ W/$ m^{2} $. Such values of saturation intensities with the possibility of size-dependent tuning could enable these NC films to be used in nanophotonic applications. | ||
| 650 | 4 | |a Nanocomposites | |
| 650 | 4 | |a Ag nanoparticles | |
| 650 | 4 | |a Surface plasmon resonance | |
| 650 | 4 | |a Nonlinear absorption | |
| 700 | 1 | |a Sandeep, C. S. Suchand |4 aut | |
| 700 | 1 | |a Kumar, G. |4 aut | |
| 700 | 1 | |a Mishra, Y. K. |4 aut | |
| 700 | 1 | |a Philip, R. |4 aut | |
| 700 | 1 | |a Reddy, G. B. |4 aut | |
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