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The luminescence characteristics of Eu3+-doped lithium-gadolinium borate glasse |
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| รหัสดีโอไอ | |
| Creator | Kitipun Boonin |
| Title | The luminescence characteristics of Eu3+-doped lithium-gadolinium borate glasse |
| Publisher | Sakon Nakhon Rajabhat University |
| Publication Year | 2559 |
| Journal Title | SNRU Journal of Science and Technology |
| Journal Vol. | 8 |
| Journal No. | 1 |
| Page no. | 122-126 |
| Keyword | Glass, Eu doped, Luminescence glass |
| ISSN | 1906-5965 |
| Abstract | Eu-doped lithium-gadolinium borate glasses with the formula [60Li2O:10Gd2O3:(30-x) B2O3:xEu2O3](LGBO:Eu3+) were fabricated using melt quenching technique. The 5 glass samples with different concentrations ofEu2O3 were prepared under atmospheric pressure. The samples were investigated on their properties: density, molarvolume, absorption spectra and photoluminescence. The trend of density swings at the first 2 concentrations andthen tends to decrease with the increment of the concentrations. The molar volume trend is in the opposite wayto that of the density. It is obvious that there are 2 peaks for near infrared wavelengths and other 2 peaks for thevisible range which show the Eu3+ in the glass structure. The higher concentration of the dopant, the higher peaksof intensity. The excitation spectra show 6 peaks representing the energy transitions from the ground state 7F0 todifferent excited states. The emission spectra were measured with 395 nm light from Xenon compact arc lamps.The spectra trends to increase with increasing concentration of the dopant. |
