Synthesis, structure and optical properties of erbium-doped lithium barium phosphate

被引：9

作者：

Beltaif, M. ^{[1
]}

Koubaa, T. ^{[1
]}

Kallel, T. ^{[1
,4
]}

Dammak, M. ^{[1
]}

Guidara, K. ^{[2
]}

Khirouni, K. ^{[3
]}

机构：

[1] Univ Sfax, Lab Phys Appl, Fac Sci Sfax, Grp Phys Mat Luminescents,Dept Phys, BP 1171, Sfax 3018, Tunisia

[2] Univ Sfax, Fac Sci Sfax, Lab Mat Condenses, BP 1171, Sfax 3018, Tunisia

[3] Univ Gabes, Lab Phys Mat & Nanomat Appl Environm, Fac Sci Gabes, Gabes, Tunisia

[4] Jouf Univ, Coll Sci & Arts, Dept Phys, Sakakah, Saudi Arabia

来源：

SOLID STATE SCIENCES | 2019年 / 90卷

关键词：

Erbium; Optical spectroscopy; Green phosphor; Judd-Ofelt theory; CRYSTAL-FIELD ANALYSIS; RARE-EARTH DIPHOSPHATES; JUDD-OFELT ANALYSIS; SPECTROSCOPIC PROPERTIES; LUMINESCENCE PROPERTIES; VIBRATIONAL-SPECTRA; EMITTING PHOSPHORS; ENERGY-TRANSFER; ER3+ IONS; PHOTOLUMINESCENCE;

D O I：

10.1016/j.solidstatesciences.2019.01.009

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Li2BaP2O7 activated with Er3+ ions was prepared by the classic ceramic method and characterized by X-ray diffraction technique, IR, Raman and photoluminescence (PL) spectroscopies. The Li2BaP2O7 Er phosphors exhibited a monoclinic single phase structure with C2/c space group. A green and red emission lines dominate the spectrum upon excitation at 400 nm. The CIE-coordinate (x = 0.308, y = 0.512) were found in green light. Free ion parameters of the Er3+ ions in Li2BaP2O7 and the Judd-Ofelt parameters were calculated and they were used to explore the radiative parameters such as transition probability (A(T)), and branching ratios (beta) related to the Er3+ emission transitions. The calculated S-4(3/2) radiative life time around 0.198 ms is compared with the experimental value. The calculated quantum efficiency is about 42%. Li2BaP2O7: Er can be considered as a novel green phosphor.

引用

页码：21 / 28

页数：8

共 58 条

[1] OPTICAL-PROPERTIES OF TB3+ IN THE DIPHOSPHATE CSYP2O7 [J].