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Plasmon enhanced scattering and fluorescence in amorphous matrix

  • Raja J. Amjad , Md. Rahim Sahar , S. F. Shaukat , Hassan Mahmood , Abdul Sattar , M. R. Dousti and Fakhra Nawaz
Published/Copyright: November 17, 2014
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 105 Issue 11

Abstract

A melt-quench method is used to synthesize a series of tellurite glasses containing fixed concentration of Er2O3, with and without silver nanoparticles. The existence of metallic nanoparticles (average diameter ∼24–36 nm) inside the glass is confirmed by transmission electron microscope imaging. From UV–Vis absorption spectroscopy, a surface plasmon resonance band is detected in the visible region (∼484 nm). Furthermore, the intensity of both fluorescence and Raman scattering is found to be enhanced by embedding silver nanoparticles inside the glass matrix. These enhancements are attributed to the surface plasmon resonance effect in which direct plasmon excitation enhances the local field at the surface of the nanostructures. Enhanced fluorescence influenced by silver nanoparticles may contribute towards the development of optical displays, laser and optical memory devices whereas amplification of the Raman signal is promising for Raman amplifiers.

Keywords: Glass; Surface plasmon resonance; Raman scattering
* Dr. M. Junaid Amjad, Department of Physics, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, Pakistan. Tel.: +92-042-111-001-007-110, Fax: +92-42-9203100, E-mail:

Paper presented at International Conference on Solid State Physics 2013 (ICSSP13), 02 – 06 December 2013, University of the Punjab, Lahore, Pakistan

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Received: 2014-01-25
Accepted: 2014-05-27
Published Online: 2014-11-17
Published in Print: 2014-11-10

© 2014, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111128
Keywords for this article
Glass; Surface plasmon resonance; Raman scattering

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ta–W–Zr system
  5. Interrelationships of defects, nitride modification and excess nitrogen in nitrided Fe-4.75 at.% Al alloy
  6. Effects of rotating magnetic and ultrasonic fields on the microstructure and mechanical properties of Al-8 wt.%Si alloy
  7. Microstructural control of Ti-46Al-7Nb-0.7Cr-0.2Ni-0.1Si alloy by heat treatment
  8. Structure and mechanical properties of Zn-(5–25) Al alloys
  9. Hot ductility behavior of near-alpha titanium alloy IMI834
  10. The effect of nano-SiO2 on magnetic and dielectric properties of Li–Zn ferrite
  11. Production of aluminum nano-composite reinforced by tungsten carbide particles via mechanical milling and subsequent hot pressing
  12. Short Communications
  13. Microstructure and texture evolution of Mg–Li alloy during rolling
  14. Microstructure and mechanical properties of Ti2AlC-reinforced TiAl composites
  15. Thermal fatigue behavior of cast superalloy Inconel 713LC
  16. Study of structural, morphological and optical properties of S and Cu co-doped SnO2 nanostructured thin films prepared by spray pyrolysis
  17. Synthesis and characterization of zirconium nitride coatings by cathodic arc sputtering technique
  18. Plasmon enhanced scattering and fluorescence in amorphous matrix
  19. Novel preparation of a porous composite insulating scaffold from forsterite and sodium carbonate media
  20. People
  21. Werner Mader, 65 years
  22. DGM News
  23. DGM News
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