Indian Journal of Pure and Applied Physics

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Structural and Spectroscopic Properties of Eu3+ Ions in Alumino-Silicate Glass


Affiliations
1 Laser and Photonics Laboratory, Department of Physics, Mizoram University, Aizawl 796 004, India
2 Physic Section, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi 221 00, India
 

The structural, and optical properties of the Eu3+ ion in alumino-silicate 35Al(NO3)3: (65-x) SiO2 glass (x = 0.75, 2.0 and 4.0 mol%) were investigated. X-ray diffraction proved that the present glasses are amorphous. FTIR spectral analysis was used to determine which functional groups were present at specific annealing temperatures. The PL spectra with different Eu3+ concentrations are recorded with excitation wavelength 370 nmhave been recorded at room temperature (RT). The PL spectra showed the (5D0→7FJ; J = 0...., 4) transitions of Eu3+ in the prepared glasses. The rise in Eu3+ ions in the host matrix was the explanation for the concentration quenching behaviour that was also seen. To ensure the dominant emission of the present glasses, the PL spectra were characterized using the CIE 1931 chromaticity diagram, and the results were discussed and reported in detail.

Keywords

Sol-Gel, Europium, Aluminium, Photoluminescence, CIE Chromaticity.
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  • Structural and Spectroscopic Properties of Eu3+ Ions in Alumino-Silicate Glass

Abstract Views: 60  |  PDF Views: 63

Authors

K M S Dawngliana
Laser and Photonics Laboratory, Department of Physics, Mizoram University, Aizawl 796 004, India
A L Fanai
Physic Section, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi 221 00, India
S Rai
Laser and Photonics Laboratory, Department of Physics, Mizoram University, Aizawl 796 004, India

Abstract


The structural, and optical properties of the Eu3+ ion in alumino-silicate 35Al(NO3)3: (65-x) SiO2 glass (x = 0.75, 2.0 and 4.0 mol%) were investigated. X-ray diffraction proved that the present glasses are amorphous. FTIR spectral analysis was used to determine which functional groups were present at specific annealing temperatures. The PL spectra with different Eu3+ concentrations are recorded with excitation wavelength 370 nmhave been recorded at room temperature (RT). The PL spectra showed the (5D0→7FJ; J = 0...., 4) transitions of Eu3+ in the prepared glasses. The rise in Eu3+ ions in the host matrix was the explanation for the concentration quenching behaviour that was also seen. To ensure the dominant emission of the present glasses, the PL spectra were characterized using the CIE 1931 chromaticity diagram, and the results were discussed and reported in detail.

Keywords


Sol-Gel, Europium, Aluminium, Photoluminescence, CIE Chromaticity.

References