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Khan I, Rooh G, Rajaramakrishna R, Srisittipokakun N, Kim H, Kothan S, Kaewkhao J, Kirdsiri K. Comparative study of optical and luminescence properties of Sm3+-ions doped Li2O–Gd2O3–PbO–SiO2 and Li2O-GdF3-PbO–SiO2 glasses for orange emission solid state device application. JOURNAL OF LUMINESCENCE 2020. [DOI: 10.1016/j.jlumin.2020.117136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Khan I, Rooh G, Rajaramakrishna R, Srisittipokakun N, Kim HJ, Kirdsiri K, Kaewkhao J. Luminescence characteristics of Sm 3+-doped lithium barium gadolinium silicate glasses for Orange LED's. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:14-20. [PMID: 30743072 DOI: 10.1016/j.saa.2019.01.086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 12/29/2018] [Accepted: 01/29/2019] [Indexed: 06/09/2023]
Abstract
Traditional melt-quenching technique is adopted for synthesis of Sm2O3 doped lithium barium gadolinium silicate (LBGS: Li2O-BaO-Gd2O3-SiO2) glasses. These glass samples are characterized by different spectroscopic techniques under ambient conditions. Density and molar volume of the present LBGS glass samples increase with increasing Sm3+ ion-concentration. JO intensity parameters Ωλ (where λ = 2, 4 and 6) are evaluated by using Judd-Ofelt theory and Ω4 > Ω2 > Ω6 trend is observed. Furthermore, these parameters are used to evaluate radiative properties like radiative transition probability, branching ratio, radiative lifetime and stimulated emission cross-section for state 4G5/2 of Sm3+ ion. The measured color coordinates for the title glass fall within orange region of CIE diagram. For the present LBGS glasses, the correlated color temperature values are less than warm. The lifetime for the 4G5/2 decreases from 2.468 to 0.566 ms when concentration increases from 0.1 to 2.0 mol% of Sm3+ ions. The analysis of non-exponential behavior of the decay profile through Inokuti-Hirayama model for S = 6 indicates that the energy transfer between Sm3+ ions is due to dipole-dipole interactions. Further energy transfer parameters (Q), critical distance (Ro, Å) and donor-acceptor interaction parameters (CDA x 10-40 cm6/s) of Sm3+ ions doped LBGS glasses were evaluated and compared to other glasses. From the evaluated results it is suggested that the present novelty of the work emphasizes on new matrix LBGS doped with Sm3+ ions showing increasing energy transfer rate with increasing in concentration of Sm2O3 content indicating these glasses are potential candidate for orange-light emitting device applications.
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Affiliation(s)
- I Khan
- Department of Physics, Abdul Wali Khan University, Mardan 23200, Pakistan
| | - G Rooh
- Department of Physics, Abdul Wali Khan University, Mardan 23200, Pakistan
| | - R Rajaramakrishna
- Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand
| | - N Srisittipokakun
- Physics Program, Faculty of Science and Technology, Rajabhat University, Nakhon Pathom 73000, Thailand; Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand
| | - H J Kim
- Department of Physics, Kyungpook National University, Deagu 702-701, Republic of Korea
| | - K Kirdsiri
- Physics Program, Faculty of Science and Technology, Rajabhat University, Nakhon Pathom 73000, Thailand; Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand.
| | - J Kaewkhao
- Physics Program, Faculty of Science and Technology, Rajabhat University, Nakhon Pathom 73000, Thailand; Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand.
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Sreedhar V, Basavapoornima C, Jayasankar C. Spectroscopic and fluorescence properties of Sm3+-doped zincfluorophosphate glasses. J RARE EARTH 2014. [DOI: 10.1016/s1002-0721(14)60163-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Facile sol-gel combustion synthesis and photoluminescence enhancement of CaZrO3:Sm3+ nanophosphors via Gd3+ doping. J RARE EARTH 2012. [DOI: 10.1016/s1002-0721(12)60168-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Wang D, Lu J, Zhang Z, Hu Y, Shen Z. Upconversion luminescence of Er<sup>3+</sup>/Yb<sup>3+</sup> Co-Doped Sb<sub>2</sub>O<sub>3</sub>-WO<sub>3</sub>-Li<sub>2</sub>O Antimonate Glasses. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/njgc.2011.12006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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