Kolemanitin Sıcaklıkla Yapısal Değişiminin İncelenmesi ve Kolemanitten Yola Çıkarak CaBPO5'ın Katı-Hal Sentezi ve Karakterizasyonu

Bu çalışmada başlangıç maddesi olarak kolemanit ve diamonyum hidrojen fosfat bileşikleri kullanılmıştır. Uygun mol oranında ve çeşitli sıcaklıklarda (700, 800, 900, 1000, 1100 ve 1200 0C) gerçekleştirilen reaksiyonlar ile CaBPO5 bileşiği elde edilmeye çalışılmıştır. Karakterizasyon çalışmaları, X-ışınları toz kırınımı ve FTIR spektroskopisi ile gerçekleştirilmiştir. Yapılan deneyler sonucunda 1000 0C’ de bu bileşiğin iyi bir kristallenme ile sentezinin yapılabileceği ve kolemanit’in sıcaklıkla yapısal değişiminin sentez ile ilişkili olduğu belirlenmiştir

The Investigation of Structural Changing of Colemanite With Temperature and Solid-State Synthesis and Characterization of Cabpo5 Using Colemanite

In this study, different temperatures (700, 800, 900, 1000, 1100 ve 1200 0C) and appropriate molar ratio were used to determine optimum temperature. We synthesized CaBPO5 using colemanite and diamonium hydrogen phosphate at 1000 C. Crystal structure is characterized by powder X-ray diffraction and FTIR spectroscopy. The structural changing of colemanite with temperature is related to synthesis of CaBPO5

Keywords:

CaBPO5 solid-state synthesis, colemanite,

PDF

___

1] Velsko, S.P., Webb, M., Davis, L., Huang, D., Phase-matched harmonic generation in lithium triborate (LBO), IEEE Journal of Quantum Electronics, 27(9), 2182- 2192, (1991).
[2] Chen, C., Wu, Y., Li, R.J., The development of new NLO crystals in the borate series, Crystal Growth, 99, 790-798, (1990).
[3] Fan, T.Y, Huang, C.E., Hu, B.Q., Eckhardt, R.C., Fan, R.C., Second harmonic generation and accurate index of refraction measurements in flux-grown KTiOPO4, Applied Optics, 26, 2390-2394, (1987).
[4] Duan, C.J., Li, W.F., Wu, X.Y., Chen, H.H., Yang, X.X., Zhao, J.T., Syntheses and X-ray Excited Luminescence Properties of Ba3BP3O12, BaBPO5 and Ba3BPO7, Journal of Luminescence, 117, 83-89, (2006).
[5] Wells, A., Structural inorganic chemistry, 4th ed., Oxford University Press, Oxford, 851, (1975).
[6] Bell, R.J. ve Carnevale, A., A structural model for B2O3 glass, Philosophical Magazine Part B, 43(3), 389-399, (1981).
[7] Böhlhoff, V.R., Bambatjer, H.TJ., Hoffman, W., Die Kristallstruktur von HocliLaB03, Zeitschrift für Kristallographie, 133, 386-3957, (1971).
[8] Rulmont, A. ve Almou, M., Vibrational spectra of metaborates with infinite chain structure: LiBO2, CaB2O4, SrB2O4, Spectrochimia Acta Part A, 45(5), 603-610, (1989)
[9] Shi, Y., Liang, J.K., Zhang, H., Liu, Q.L., Chen, X.L., Yang, J.L., Zhuang,W.D. ve Rao, G.H., Crystal Structure and Thermal Decomposition Studies of Barium Borophosphate, BaBPO5, Journal of Solid State Chemistry, 135, 43-51, (1998)
[10]Raskar, D.B., Eckert, H., Ewald, B. ve Kniep, R., C, Characterization of local environments in crystalline borophosphates using single and double resonance NMR, Solid State Nuclear Magnetic Resonance, 34, 20-31, (2008).
[11]Levesseur, A., Olazcuaga, R., Kbala, M., Zahir, M., Hagenmuller, P. ve Couzi, M., Etudes electrique et Raman des verres des systemes B2O3·M2O·M3PO4 (M=Li, Na), Solid State İonics, 2, 205-213, (1981).
[12]Güler, H., Gündoğmaz, G., Kurtuluş, F., Çelik, G. ve Gacanoğlu, Ş.S., Solid state synthesis of calcium borohydroxyapatite, Solid State Sciences, 13, 1916-1920, (2011).
[13]Nakamoto, K., Infrared and raman spectra of inorganic and coordination compounds, A Willey-Interscience Publication, John Willey and Sons, (1986).
[14]Gözel, G., Kızıkyallı, M. ve Kniep, R, Characterization of a New Calcium Ultraphosphate, Ca3(P5O14)2, Journal of Solid State Chemistry, 129 196-199, (1997).
[15]Zhang, G., Wu, Y., Fu, P., Wang, G., Liu, H., Fan, G. ve Chen, C., A new sodium samarium borate Na3Sm2(BO3)3, Journal of Physics and Chemistry of Solid, 62, 145-149, (2002).
[16]Shi, Y., Liang, J.K., Zhang, H., Yang, J., Zhuang,W.D. ve Rao, G.H., X-Ray Powder Diffraction and Vibrational Spectra Studies of Rare Earth Borophosphates, Ln7O6(BO3)(PO4)2(Ln=La, Nd, Gd, and Dy), Journal of Solid State Chemistry, 129, 45-52, (1997).
[17]Baykal, A., Kızılyallı, M., Gözel, G. ve Kniep, R., Synthesis of Strontium Borophosphate, SrBPO5 by Solid State and Hydrothermal Methods and Characterisation, Crystal Research Technology, 35, 247-254, (2000).
[18]Baykal, A., ve Kızılyallı, M., X-ray powder diffraction and IR study of NaMg(H2O)2[BP2O8]·H2O and NH4Mg(H2O)2[BP2O8]·H2O, Materials Science, 35, 4621-4626, (2000).