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.

引用

页数：7

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