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. 2023 Apr;38(4):450-461.
doi: 10.1002/bio.4468. Epub 2023 Mar 8.

Amplification of blue emission of Tm3+ ions in Li2 O-HfO2 -SiO2 glass system by means of Au0 metallic particles

Pilli Pavani Koteswari Devi  1 , Ayyagari Venkata Sekhar  1 , Valluri Ravi Kumar  2 , Gnanamuthu Sahaya Baskaran  3 , Nutalapati Venkatramaiah  4 , Vandana Ravi Kumar  1 , Nalluri Veeraiah  1   3
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Amplification of blue emission of Tm3+ ions in Li2 O-HfO2 -SiO2 glass system by means of Au0 metallic particles

Pilli Pavani Koteswari Devi et al. Luminescence. 2023 Apr.

Abstract

Li2 O-HfO2 -SiO2 -Tm2 O3 :Au2 O3 glass samples (containing fixed content of Tm2 O3 and different concentration of Au2 O3 ) were prepared and characterized. Bearing of Au0 metallic particles (MPs) on improving blue emission of thulium ions (Tm3+ ) ions was explored. Optical absorption (OA) spectra exhibited multiple bands excited from 3 H6 of Tm3+ . Additionally, a broad peak in the wavelength range 500-600 nm due to surface plasmon resonance (SPR) of Au0 MPs was noticed in the spectra. Photoluminescence (PL) spectra (of thulium free glasses) indicated a peak in the visible range due to sp → d electronic transition of Au0 MPs. Luminescence spectra of Tm3+ and Au2 O3 co-doped glasses exhibited intense blue emission with substantial increase of intensity with increase of Au2 O3 content. Bearing of Au0 MPs on the reinforcement of blue emission of Tm3+ was discussed in detail with kinetic rate equations.

Keywords: Au0 particles; Li2O-HfO2-SiO2 glasses; PL emission; energy transfer efficiencyTm3+.

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References

REFERENCES

    1. S. D. Jackson, Opt. Commun. 2004, 230, 197.
    1. B. Peng, T. Izumitani, Opt. Mater. 1995, 4, 797.
    1. X. Wu, J. P. Denis, G. Ozen, F. Pelle, J. Lumin. 1994, 60, 212.
    1. S. Tanabe, T. Hanada, J. Appl. Phys. 1994, 76, 3730.
    1. K. Hirao, K. Tamai, S. Tanabe, N. Soga, J. Non-Cryst. Solids 1993, 160, 261.

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