Photoluminescence and structural properties of Ce3+ and Eu3+ Co-doped Gd2SiO5 phosphor powders

被引：0
作者：
Barka, Wissam [1 ]
Hamroun, Mohammed Salah Eddine [1 ,2 ]
Mechernene, Lahcene [1 ]
Guenanou, Ahmed [2 ]
Melkaoui, Chikh [2 ]
Touahra, Fouzia [2 ]
Guerbous, Lakhdar [3 ]
Chebout, Redouane [2 ]
Bachari, Khaldoun [2 ]
机构：
[1] Abou Bekr Belkaid Univ, Fac Sci, Macromol Res Lab, Tilimsen, Algeria
[2] Ctr Rech Sci & Tech Anal Phys Chim, BP 384, Bou Ismail 42004, Tipaza, Algeria
[3] Nucl Res Ctr Algiers CRNA, POB 399, 02 Blvd Frantz Fanon, Algiers 16000, Algeria
来源：
BULLETIN OF MATERIALS SCIENCE | 2023年 / 46卷 / 04期
关键词：
Gd2SiO5; cerium; europium; sol-gel synthesis; co-doped; photoluminescence; OPTICAL-PROPERTIES; SPECTROSCOPY; LUMINESCENCE;
D O I：
10.1007/s12034-023-03048-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The main objective of this work is to present the enhancement of photoluminescence (PL) and structural properties of Ce3+ and Eu3+ co-doped gadolinium orthosilicate Gd2SiO5 (GSO:Eu, Ce) scintillator elaborated by sol-gel method with different concentration of these rare-earth elements. The samples were characterized by X-ray diffraction, field emission-scanning electron microscopy (FE-SEM) and PL spectroscopy. XRD results confirm the crystallization of samples annealed at 1000degree celsius for 4 h to the monoclinic Gd2SiO5 structure. The crystallographic parameters show that Eu3+/Ce3+ incorporated into Gd2SiO5 changes its structure. FE-SEM micrograph results show rod-shaped particles and EDAX spectra confirm the presence of the main constituent elements of the structure. PL showed that two emission peaks dominate the fluorescence spectra of Eu3+ in Gd(2)SiO(5 )and the emission intensity increases relatively with the doping concentration of Ce3+ ions.
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页数：7
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