Impact of SnO2 doping on spectroscopic characteristics of the SnO2-Na2O-CoO-B2O3 borate glass matrix

被引:0
作者
Maatouk, A. [1 ,2 ]
Amin, Hesham Y. [3 ,4 ]
Alshehri, Sarah A. [5 ]
Alzahrani, Jameelah A. [6 ,7 ]
Alshamari, Awatif [8 ]
Sadeq, M. S. [9 ,10 ]
机构
[1] Qassim Univ, Coll Sci, Dept Phys, Buraydah 51452, Saudi Arabia
[2] Univ Tunis El Manar, Fac Sci, Dept Phys, LSAMA, Tunis 1060, Tunisia
[3] Hangzhou City Univ, Sch Informat & Elect Engn, Huzhou St, Hangzhou 310015, Peoples R China
[4] Zhejiang Univ, Coll Opt Sci & Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
[5] Princess Nourah bint Abdulrahman Univ, Coll Sci, Dept Chem, POB 84428, Riyadh 11671, Saudi Arabia
[6] Imam Abdulrahman Bin Faisal Univ, Basic & Appl Sci Res Ctr, POB 1982, Dammam 31441, Saudi Arabia
[7] Imam Abdulrahman Bin Faisal Univ, Coll Sci, Dept Phys, POB 1982, Dammam 31441, Saudi Arabia
[8] Northern Border Univ, Coll Sci, Dept Phys, POB 1321, Ar Ar 91431, Saudi Arabia
[9] Sinai Univ, Fac Engn, Dept Basic Sci, Kantara Branch, Ismailia 41636, Egypt
[10] Middle East Univ, MEU Res Unit, Amman, Jordan
关键词
Tin oxide; Cobalt oxide; Borate glass; Optical properties; Ligand field properties; Optical applications; Fourier transform infrared spectroscopy; OPTICAL-PROPERTIES; COBALT IONS; COORDINATION; SYSTEM;
D O I
10.1016/j.optmat.2024.116021
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The role of tin oxide (SnO2) on the structure-optical features of borate glasses containing low cobalt oxide impurities was studied. The study was carried out on a glass system [x SnO2 - (80-x) B2O3 - 19.5 Na2O - 0.5 CoO]; x = 0.0, 0.5, 1.0, 2.0 and 3.0 mol%. Glass synthesis was carried out by the melt-quench technique. Structure and optical absorption spectroscopy were carried out to explore the optical transitions of Co cations inside the present glass matrix. The obtained results indicate that, with the further addition of SnO2 content, the molar volume decreased from 31.675 cm3/mol to 29.147 cm3/mol. FTIR studies indicated the basic structural units of trigonal BO3 units and BO4 tetrahedra. Herein also, additional contents of tin oxide increased the nonbridging oxygen contents. The reason behind such increment is attributed to the existence of Sn4+ ions in octahedral coordination acting as network modifiers. Optical absorption spectra indicated the existence of Co ions in both Co2+ and Co3+ oxidation states. Moreover, the existence of significant SnO2 concurred with the significant blue shift in the visible absorption bands and red shift in near infrared absorption bands. The positions absorption bands of Co ions were analyzed in the context of ligand field parameters determinations. The obtained data of the crystal field splitting parameter (10Dq(t)) showed decreased values from 3451 cm(-1) to 3364 cm(-1) with more SnO2 addition. While Racah parameter B values were also, attained showing increased values from 967 cm(-1) to 985 cm(-1) when additional SnO2 is added. Further, the impacted role of SnO2 addition on the structural and optical properties of the present glasses was finally estimated.
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页数:11
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