Synthesis of crystals of Ca(0,5)Sr(0,5)MoO4 via method of coprecipitation and processing in a hydrothermal microwaves oven: structural and photoluminescent study

Authors

DOI:

https://doi.org/10.33448/rsd-v9i11.9592

Keywords:

Molybdate; Solvents; Photoluminescence.

Abstract

The search for materials with a high degree of purity and crystallization will impact the technological industrial era due to the various applications. However, it is important to look for synthetic methods that are more economical and efficient. In this sense, Ca(0.5)Sr(0.5)MoO4 crystals were synthesized by the coprecipitation method and processed in a hydrothermal microwave oven using different solvent ratios (H2O/C2H6O2), in order to obtain the crystals with high degree of crystallization. The synthesized crystals were characterized by X-ray powder diffraction, lattice parameters, ultraviolet-visible spectroscopy and photoluminescence measurements. The X-ray patterns showed that the crystals have a long-range structural organization, free of secondary phase. The network parameters of the unit cell obtained in this work are very close to the respective values ​​of the JCPDS file nº 30-1287, with some variations that may be related to the synthesis method. The measurements of UV-vis absorption showed the values ​​of the optical band gap as a function of the proportions of solvents ranging from 3.92 to 4.26 eV. The photoluminescence spectra showed broadband with maximum emissions ranging from blue to green. Finally, Ca(0.5)Sr(0.5) MoO4 can be successfully obtained by the methodology used and the use of different proportions of solvents (H2O/C2H6O2) interferes with the optical behavior of the material.

References

Ansari, A. A., Alam, M., & Parchur, A. K. (2014). Nd-doped calcium molybdate core and particles: synthesis, optical and photoluminescence studies. Applied Physics A, 116(4), 1719-1728.

Barra, B. C. (2013). Titanato de Bário e cálcio: influência da substituição parcial do modificador de rede nas propriedades fotoluminescentes. (Doctoral dissertation, Dissertação Mestrado). Universidade Estadual Paulista Júlio de Mesquita Filho, Programa de Pós-Graduação em Ciência e Tecnologia de Materiais, Bauru–SP.

Callister Junior, W. D., & Rethwisch, D. G. (2016). Ciência e engenharia de materiais: uma introdução. Rio de Janeiro: LTC.

Campos, A. B., Simões, A. Z., Longo, E., Varela, J. A., Longo, V. M., De Figueiredo, A. T., & Hernandes, A. C. (2007). Mechanisms behind blue, green, and red photoluminescence emissions in Ca WO 4 and Ca Mo O 4 powders. Applied physics letters, 91(5), 051923.

Chen, C. C., Fan, H. J., Shaya, J., Chang, Y. K., Golovko, V. B., Toulemonde, O., ... & Lu, C. S. (2019). Accelerated ZnMoO4 photocatalytic degradation of pirimicarb under UV light mediated by peroxymonosulfate. Applied Organometallic Chemistry, 33(9), e5113.

Chun, F., Li, W., Zhang, B., Deng, W., Chu, X., Su, H., ... & Yang, W. (2018). Visible and near-infrared luminescent properties of Pr3+ doped strontium molybdate thin films by a facile polymer-assisted deposition process. Journal of colloid and interface science, 531, 181-188.

Çiftyürek, E., Sabolsky, K., & Sabolsky, E. M. (2017). High temperature selective sensing of hydrogen with MgO-modified SrMoO4 micro-fibers. Sensors and Actuators B: Chemical, 249, 296-310.

Czajka, J., Piskuła, Z., Szczeszak, A., & Lis, S. (2018). Structural, morphology and luminescence properties of mixed calcium molybdate-tungstate microcrystals doped with Eu3+ ions and changes of the color emission chromaticity. Optical Materials, 84, 422-426.

Hosseinpour-Mashkani, S. S., Hosseinpour-Mashkani, S. S., & Sobhani-Nasab, A. (2016). Synthesis and characterization of rod-like CaMoO 4 nanostructure via free surfactant sonochemical route and its photocatalytic application. Journal of Materials Science: Materials in Electronics, 27(5), 4351-4355.

Jiang, B., Zhang, P., Zhang, Y., Wu, L., Li, H., Zhang, D., & Li, G. (2012). Self-assembled 3D architectures of Bi2TiO4F2 as a new durable visible-light photocatalyst. Nanoscale, 4(2), 455-460.

Komarneni, S., Roy, R., & Li, Q,H. (1992). Microwave-hydrothermal synthesis of ceramics powders. Materials Research Bulletin, 27 (12), 1393-1405.

Lacomba-Perales, R., Ruiz-Fuertes, J., Errandonea, D., Martínez-García, D., & Segura, A. (2008). Optical absorption of divalent metal tungstates: Correlation between the band-gap energy and the cation ionic radius. EPL (Europhysics Letters), 83(3), 37002.

Longo, V. M., Figueiredo, A. T. D., Campos, A. B., Espinosa, J. W., Hernandes, A. C., Taft, C. A., ... & Longo, E. (2008). Different origins of green-light photoluminescence emission in structurally ordered and disordered powders of calcium molybdate. The Journal of Physical Chemistry A, 112(38), 8920-8928.

Marques, A. P. A., Motta, F. V., Leite, E. R., Pizani, P. S., Varela, J. A., Longo, E., & De Melo, D. M. A. (2008). Evolution of photoluminescence as a function of the structural order or disorder in CaMoO 4 nanopowders. Journal of Applied Physics, 104(4), 043505.

Marques, V. S.; Cavalcante, L. S.; Sczancoski, J. C.; Alcântara, ̂ A. F. P.; Orlandi, M. O.; Moraes, E.; Longo, E.; Varela, J. A.; Siu Li, M.; Santos, M. R. M. C. (2010). Effect of Different Solvent Ratios (Water/ Ethylene Glycol) on the Growth Process of CaMoO4. Crystals and Their Optical Properties. Cryst. Growth Des., 10 (11), 4752−4768.

Passos, R. H. D., Arab, M., Pereira de Souza, C., & Leroux, C. (2017). Sr1 / 2Ce5 / 14 1 / 7WO4: um novo composto de scheelita ternário modulado. Acta Crystallographica Seção B: Ciência Estrutural, Engenharia de Cristais e Materiais, 73 (3), 466-473.

Pawlikowska, M., Fuks, H., & Tomaszewicz, E. (2017). Solid state and combustion synthesis of Mn2+-doped scheelites–Their optical and magnetic properties. Ceramics International, 43(16), 14135-14145.

Ryu, J. H., Yoon, J. W., Lim, C. S., Oh, W. C., & Shim, K. B. (2005). Microwave-assisted synthesis of CaMoO4 nano-powders by a citrate complex method and its photoluminescence property. Journal of alloys and compounds, 390(1-2), 245-249.

Silva, M. M. S., Sena, M. S., Lopes-Moriyama, A. L., Souza, C. P., & Santos, A. G. (2018). Experimental planning of the synthesis of strontium molybdate by EDTA-citrate and its structural influence, morphology and optical bandgap. Ceramics International, 44(14), 16606-16614.

Thongtem, T., Phuruangrat, A., & Thongtem, S. (2008). Characterization of PbS with different morphologies produced using a cyclic microwave radiation. Applied Surface Science, 254(23), 7553–7558.

Tian, Y., Chen, B., Tian, B., Hua, R., Sun, J., Cheng, L., ... & Yu, T. (2011). Concentration-dependent luminescence and energy transfer of flower-like Y2 (MoO4) 3: Dy3+ phosphor. Journal of alloys and compounds, 509(20), 6096-6101.

Tranquilin, R. L. (2009). Estudo das propriedades microestruturais e ópticas do BaMoO4 processado em hidrotermal assistido por micro-ondas (Doctoral dissertation, Dissertação Mestrado). Universidade Estadual Paulista Júlio de Mesquita Filho, Programa de Pós-Graduação em Ciência e Tecnologia de Materiais, Araraquara–SP.

Wood, D. L., & Tauc, J. S. (1972). Weak absorption tails in amorphous semiconductors. Physical Review B, 5(8), 3144.

Zakharko, Y., Luchechko, A., Syvorotka, I., Stryganyuk, G., & Solskii, I. (2010). Anisotropy of optical absorption and luminescent properties of CaMoO4. Radiation Measurements, 45(3-6), 429-431.

Zhang, Y. P., Li, Y., Xu, G. C., Li, J. Y., Luo, H. Y., Li, J. Y., ... & Jia, D. Z. (2019). Synthesis, crystal structure, DNA/bovine serum albumin binding and antitumor activity of two transition metal complexes with 4‐acylpyrazolone derivative. Applied Organometallic Chemistry, 33(3), e4668.

Published

04/11/2020

How to Cite

Ribeiro, F. de A. S. ., Silva Junior, M. M. da, Duarte, C. R., Silva, R. C. da ., & Marques, V. de S. (2020). Synthesis of crystals of Ca(0,5)Sr(0,5)MoO4 via method of coprecipitation and processing in a hydrothermal microwaves oven: structural and photoluminescent study. Research, Society and Development, 9(11), e679119592. https://doi.org/10.33448/rsd-v9i11.9592

Issue

Section

Exact and Earth Sciences