期刊
RADIATION PHYSICS AND CHEMISTRY
卷 184, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2021.109467
关键词
Praseodymium; Luminescence; Radiation; Shielding; X-ray
资金
- National Research Council of Thailand (NRCT)
- Thailand Science Research and Innovation (TSRI)
- Chiang Mai University
The work focuses on developing new alternative radiation shielding and visible luminescent glasses by altering the composition of the glass. Different emission and shielding effects are achieved by varying the concentration of Pr3+ ions. Experimental results show that these glass samples exhibit better radiation shielding properties than ordinary building materials and commercial windows.
The work focuses on developing new alternative radiation shielding and visible luminescent glasses from (55-x) SiO2: 13B2O3: 1Al2O3: 4.5BaO: 6.3CaO: 0.2Sb2O3: 20Na2O:xPr2O3 where x = 0.5, 1.0, 1.5, 2.0, 2.5, 3.0 mol% composition. Glasses have been fabricated by melt-quenching technique. Four emission bands at 484 nm, 528 nm, 605 nm, and 645 nm were observed. Highest emission intensity is observed for 1.0mol% of Pr3+ ions whereas radiation shielding ability showed better results for higher concentration of Pr3+ ions. Prominent blue emission around 482 nm is been strong in the present glasses. The radiation shielding properties have been evaluated and results show that all glass samples are better radiation shielding properties than ordinary concrete, red brick, and commercial windows.
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