Structural and Luminescence Properties of Li3Y2(BO3)3 Synthesized by Solid-State Reactions

Yıl 2018, , 139 - 144, 30.11.2018

Şengül Gacanoğlu , Halil Güler Ali Teke , Remziye Tülek

https://doi.org/10.30728/boron.360284

Cited By: 1

Öz

A new binary metal borate compound,
trilithium diyttrium orthoborate, Li₃Y₂(BO₃)₃was
successfully synthesized by a solid-state reaction at 1000°C using the initial
reactants of Li₂CO₃, Y₂O₃, and H₃BO₃
(mole ratio 1.5:1:3). The phase analysis, crystallinity and size distribution
of Li₃Y₂(BO₃)₃was investigated by X,
ray powder diffraction (XRD) and Scanning Electron Microscopy (SEM). It was
found that single phase Li₃Y₂(BO₃)₃
crystallizes in  orthorhombic crystal
system with refined unit cell parameters of a=8.9228, b=9.5840(7), c=20.4469Å,
Z=9, and represent the space group of Pmmm. Particles size distribution
estimated from the SEM images are in the range of 20 to 200 µm. The
luminescence properties of Li₃Y₂(BO₃)₃
were investigated by using steadystate photoluminescence (PL) measurement as a
function of temperature. The spectra are dominated by transitions related to defects
present in the sample, in the visible region of the spectrum. A relatively low
intensity band-to-band transition was also observed at high energy side of the
spectrum centered at around 3.33 eV. This peak is decomposed to two close peaks
at 3.32 and 3.35 eV using Gauss fitting. From the temperature behavior of peak
energies of these emissions, the band gap of Li₃Y₂(BO₃)₃
is estimated to be 3.35 eV for the first time.

Anahtar Kelimeler

Metal borates, X-ray diffraction pattern

Kaynakça

• [1] Keszler, D. A., Borates for optical frequency conversion, Current Opinion in Solid-state and Materials Science, 1(2), 204-211,1996.
• [2] Becker, P., Borate materials in nonlinear optics, Advanced Materials, 10(13), 979-992,1998.
• [3] Zhang, Y., et al.A structural study of Ca3La3(BO3)5, Journal of alloys and compounds, 327(1), 96-99, 2001.
• [4] Attfield, J. P., et al. Synthesis, structure and properties of a semivalent iron oxoborate, Fe2OBO3, Journal of Materials Chemistry, 9(1), 205-209, 1999.
• [5] Keszler, D.A. Synthesis, crystal chemistry, and optical properties of metal borates, Current Opinion in Solid-state and Materials Science, 4(2), 155-162, 1999.
• [6] Yang, Xiao-Hong, et al., Catalysis and surface science, Acta Phys Chim Sin, 28(11), 2713-2720, 2012.
• [7] Chen P., Mo F., Guan A., Wang R., Wang G., Xia S., Zhou, L. Luminescence and energy transfer of the color-tunable phosphor Li6Gd(BO3)3: Tb3+/Bi3+,Eu3+. Applied Radiation and Isotopes, 108, 148-153, 2016
• [8] Rowsell, J. L., Taylor N. J., Nazar L. F. Structure and Ion Exchange Properties of a New Cobalt Borate with a Tunnel Structure “Templated” by Na+, Journal of the American Chemical Society, 124(23), 6522-6523, 2002
• [9] Liu, Peng., et al. Nd: Li6Y(BO3)3 crystal waveguide properties at wavelengths of 633 and 1539 nm produced by oxygen or silicon ion implantation, Applied optics., 51(11),1681-1687,2012.
• [10] Abdullaev, G. K., KhS. Mamedov, and P. F. Rza-Zade., Synthesis and structural investigation of crystals of double orthoborates of lithium and holmium., Zhurnal Neorganicheskoi Khimii., 22(12), 3239-42, 1977.
• [11] Gamidova, Sh A., Triangulation in the Li2O-Ln2O3-B2O3 (Ln= Nd, Eu, Dy, Yb, and Y) systems and the melting character of ternary compounds, Russian Journal of Inorganic Chemistry, 54(1), 141-144, 2009.
• [12] Akhmedova, N. A., et al. Li3Ln2(BO3)3 compound in Li2O-Ln2O3-B2O3, Zhurnal Neorganicheskoi Khimii,37(69), 1378-1383, 1992.
• [13] Gao, J. H., and R. K. Li. Preparation, structure and luminescent properties of a new potassium yttrium borate K3Y3(BO3)4, Materials Research Bulletin, 43(4), 882-888, 2008.
• [14] Chaminade, Jean-Pierre, et al., A New Family of Lithium Rare-Earth Oxyborates, LiLn6O5 (BO3)3 (Ln= Pr–Tm): Crystal Structure of the Gadolinium Phase LiGd6O5(BO3)3, Journal of Solid-state Chemistry, 146(1), 189-196, 1999.
• [15] Yoshida, H., Yoshimatsu, R., Watanabe, S., & Ogasawara, K., Optical transitions near the fundamental absorption edge and electronic structures of YAl3(BO3) 4: Gd3+, Japanese journal of applied physics, 45(1R), 146, 2006
• [16] Wang, Y., Wang, L., Li, H., Electronic structure and linear optical properties of YAl3(BO3)4, Journal of applied physics, 102(1), 013711, 2007.
• [17] Dotsenko, V. P., et al. Luminescence properties of Ce3+ ions in magnesium fluoroborate Mg3BO3F3, Materials chemistry and physics, 77(1),141-146,2003.
• [18] Dotsenko, V. P., et al., Position of the optical absorption edge of alkaline earth borates, Optical Materials, 31(10), 1428-1433, 2009.
• [19]Wu, E., POWD, an interactive program for powder diffraction data interpretation and indexing, Journal of applied crystallography, 22(59), 506-510, 1989.
• [20]Pan, Shilie, et al., Synthesis, crystal structure and nonlinear optical properties of Li6CuB4O10: A congruently melting compound with isolated [CuB4O10] 6-units, Journal of the American Chemical Society, 128(35), 11631-11634, 2006.
• [21]Seo, Dong-Hwa, et al. First-principles study on lithium metal borate cathodes for lithium rechargeable batteries, Physical Review B, 83(20), 205127, 2011.