Optical and spectroscopic studies on Eu3+ doped LCBB glasses for photonic device applications

被引:4
作者
Madhu, A. [1 ]
Kagola, Upendra Kumar [2 ]
Rajaramakrishna, R. [3 ]
Jayasankar, C. K. [4 ]
Al-Dossari, M. [5 ]
EL-Gawaad, N. S. Abd [5 ]
Srinatha, N. [6 ]
机构
[1] Dayananda Sagar Coll Engn, Dept Phys, Kumaraswamy Layout, Bangalore 560078, Karnataka, India
[2] REVA Univ, Dept Phys, Sch Appl Sci, Bengaluru 560064, India
[3] Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia
[4] Sri Venkateswara Univ, Dept Phys, Tirupati 517 502, India
[5] King Khalid Univ, Fac Sci, Dept Chem, Abha 62529, Saudi Arabia
[6] RV Inst Technol & Management, Dept Phys, Bengaluru 560076, India
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2024年 / 130卷 / 03期
关键词
Phonon energy; UV-visible-NIR; Stimulated emission cross-section; Quantum efficiency; Red emission; SIDE-BAND ANALYSIS; BORATE GLASSES; RED EMISSION; LUMINESCENCE BEHAVIOR; ELECTRICAL-PROPERTIES; PHOSPHATE-GLASSES; ENERGY-TRANSFER; IONS; ER3+; PHOTOLUMINESCENCE;
D O I
10.1007/s00339-024-07346-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Herein we report the optical and spectroscopic properties of lithium-calcium-bismuth-borate (LCBB) glasses containing Eu3+ prepared via the melt-quenching method, and the prepared samples were systematically characterised through X-ray diffraction (XRD), Raman, ultraviolet-visible-near-infrared (UV-Vis-NIR) and photoluminescence (PL) spectroscopic techniques. The absence of XRD peaks evidenced the amorphous nature of glass. Different borate functional groups were identified from Raman spectra. Urbach energy and radiative properties were evaluated from the UV-Vis-NIR absorption spectra. The phonon energy of the glass samples was estimated by considering the energy differences between the zero-phonon level (ZPL) and phonon side bands (PSBs) present in excitation spectra. Judd-Ofelt (JO) parameters have been evaluated from the luminescence intensity ratios of D-5(0)-> F-7(J) (J = 2, 4) to D-5(0) ->(7)F(1 )transitions. These parameters have been used to derive radiative properties such as transition probabilities, branching ratios, radiative lifetimes and peak stimulated emission cross-sections for the D-5(0) -> (7)F(J )transitions. The JO results and the lifetime decay studies showed that LCBBEu2 glass exhibits higher stimulated cross-section (16.74 x 10(-22) cm(2)) and quantum efficiency (67.80%), which is highest among the reported by other research groups. Also, the LCBB doped with Eu3+ glasses exhibit strong emission in the red region, making them potential candidates for photonic device applications.
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页数:13
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