New Insights into Physical Science Vol. 12

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Preparation and Characterization of Nanostructures in Glasses

  • B. Rami Reddy

New Insights into Physical Science Vol. 12, 19 February 2021 , Page 102-118
https://doi.org/10.9734/bpi/nips/v12/7051D Published: 2021-02-19

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Abstract

Sodium borate and sodium-lead-germano-tellurite (SLGT) oxyfluoride glasses embedded with Er3+ and /or Ag were made by the melt quenching technique. Thermal analysis, X-ray diffraction and optical spectroscopy measurements were performed to characterize the glasses. Nanoparticles were induced by heat treating the glasses. Er3+ luminescence increased 4× due to enhanced field in the vicinity of silver particles. Strong room temperature upconversion emissions were observed at 415, 540, 554 and 667 nm from Er3+ doped SLGT sample under 972 nm Ti-sapphire laser excitation. Changes in the optical spectral characteristics supported the formation of nanocrystals.

Keywords:
  • Nanostructures
  • energy upconversion
  • Erbium ion
  • glasses
  • plasmonic effects
  • sodium boirate glass
  • sodium lead germane tellurite glass

How to Cite

Reddy, B. R. . (2021). Preparation and Characterization of Nanostructures in Glasses. New Insights into Physical Science Vol. 12, 102–118. https://doi.org/10.9734/bpi/nips/v12/7051D
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