Search Results - "MOTTA, F. V"

Photoluminescent and photocatalytic properties of Cu2+ and Mg2+-doped ZnO nanoparticles obtained by a facile sonochemical method by Bezerra Neta, I A, Andrade Neto, N F, Silva, J M P, Teodoro, M D, Bomio, M R D, Motta, F V

“…Pure ZnO particles, doped and co-doped with Cu2+ and Mg2+ ions, were obtained by the simple sonochemical method. The wurtzite hexagonal structure was confirmed…”
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Preparation and characterizations of Ba0.8Ca0.2TiO3 by complex polymerization method (CPM) by MOTTA, F. V, MARQUES, A. P. A, ESCOTE, M. T, MELO, D. M. A, FERREIRA, A. G, LONGO, E, LEITE, E. R, VARELA, J. A

“…Ba0.8Ca0.2TiO3 (BCT) was prepared by the complex polymerization method (CPM) using Ba0.8Ca0.2CO3 and [Ti[OCH(CH3)2]4 as starting materials. The powders were…”
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Sonochemical Synthesis of Ti1−x−yFexPbyO2 (with x and y = 0, 0.01, 0.03, 0.07): Structural Analysis, Influence of Radiation Type on Photocatalytic Activity and Assessment of Antimicrobial Properties by Morais, D. F. S., Ramalho, O. B. M., Andrade Neto, N. F., Teodoro, M. D., Matsui, K. N., Bomio, M. R. D., Motta, F. V.

“…In this work, we report a method of obtaining and characterizing (Fe, Pb) co-doped titanium oxide nanoparticles to study the influence of Fe 3+ and Pb 2+…”
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Effects of rare earth ions on structural, morphological and photoluminescent properties of non-stoichiometric LiNbO3 by Lovisa, L. X., Nunes, T. B. O., Tavares, E. C., Machado, R. C. L., Dos Santos, L. F., Bomio, M. R. D., Motta, F. V.

“…The pseudo-ilmenite structure ABO 3 have been increasingly highlighted in the optoelectronic area. Nanoparticles of undoped lithium niobates (LiNbO 3 ) and…”
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Growth mechanism and vibrational and optical properties of SrMoO4: Tb3+, Sm3+ particles: green–orange tunable color by Dos Santos, D. F., Lovisa, L. X., Santiago, A. A. G., Li, M. Siu, Longo, E., Bomio, M. R. D., Motta, F. V.

“…A SrMoO 4 series co-doped with Tb 3+ and Sm 3+ was successfully prepared by the sonochemical method. The particles were characterized by X-ray diffraction,…”
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Disclosing the Structural, Electronic, Magnetic, and Morphological Properties of CuMnO2: A Unified Experimental and Theoretical Approach by Santiago, A. A. G, Tranquilin, R. L, Oliveira, M. C, Ribeiro, R. A. P, de Lazaro, S. R, Correa, M. A, Bohn, F, Longo, E, Motta, F. V, Bomio, M. R. D

“…Precise control of the overall performance for solid-state materials is associated with morphological modulations which provide an alternative way to the…”
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Enhanced red emission in Sr(1-x)EuxMo0.5W0.5O4 (x = 0.01, 0.02, 0.04) phosphor and spectroscopic analysis for display applications by Lovisa, L. X., Dos Santos, D. F., Santiago, A. A. G., Siu Li, M., Longo, E., Motta, F. V., Bomio, M. R. D.

“…The particles of the solid solution of strontium molybdate and tungstate (SrMo 0.5 W 0.5 O 4 ) were doped with Eu 3+ ions at concentrations of 1, 2 and 4 mol%…”
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Toward Understanding the Photocatalytic Activity of PbMoO4 Powders with Predominant (111), (100), (011), and (110) Facets. A Combined Experimental and Theoretical Study by Bomio, M. R. D., Tranquilin, R. L., Motta, F. V., Paskocimas, C. A., Nascimento, R. M., Gracia, L., Andres, J., Longo, E.

“…A complementary combination of experimental work and first-principle calculations, based on the density functional theory (DFT) method, has been used to…”
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The wettability of SiC ceramics by molten E2O3(ss)/AlN (E2O3(ss) = solid solution of rare earth oxides) by RIBEIRO, S, TAGUCHI, S. P, MOTTA, F. V, BALESTRA, R. M

“…The wetting of SiC by molten E2O3(ss)/AlN as a function of temperature up to 2000 C was investigated under argon and nitrogen atmospheres. E2O3(ss) is a solid…”
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Synthesis and characterization of α-Ag2MoO4/β-Ag2MoO4 heterostructure obtained by fast and simple ultrasonic spray pyrolysis method at different temperatures by Ferreira, E. A. C., Neto, N. F. Andrade, Santiago, A. A. G., Paskocimas, C. A., Bomio, M. R. D., Motta, F. V.

“…In this work, microspheres of α-Ag 2 MoO 4 /β-Ag 2 MoO 4 were obtained by ultrasonic spray pyrolysis (USP) at temperatures of 400, 500, 600, and 700 °C…”
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Wetting behaviour of Y2O3/AlN additive on SiC ceramics by BALESTRA, R. M, RIBEIRO, S, TAGUCHI, S. P, MOTTA, F. V, BORMIO-NUNES, C

“…The wetting of SiC plate by Y2O3/AlN additive was analysed using the sessile drop method. The wetting behaviour was observed by image capture system using a…”
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Synthesis and Characterization of Co2+ and Mn2+ Codoped ZnO Nanoparticles Obtained by the Sonochemical Method: Photocatalytic and Antimicrobial Properties by Andrade Neto, N. F., Oliveira, Y. G., Bomio, M. R. D., Motta, F. V.

“…Nanoparticles of Co 2+ and Mn 2+ codoped ZnO have been obtained by the sonochemical method. The nanoparticles were characterized by x-ray diffraction, scanning…”
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Fast and continuous obtaining of Eu3+ doped CeO2 microspheres by ultrasonic spray pyrolysis: characterization and photocatalytic activity by Santiago, A. A. G., Andrade Neto, N. F., Longo, E., Paskocimas, C. A., Motta, F. V., Bomio, M. R. D.

“…In this work, CeO 2 : x Eu 3+ ( x  = 0, 0.01, 0.02, 0.04 and 0.08 mol%) microspheres were obtained by the fast and continuous ultrasonic spray pyrolysis…”
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Characterization and Photoluminescent, Photocatalytic and Antimicrobial Properties of Boron-Doped TiO2 Nanoparticles Obtained by Microwave-Assisted Solvothermic Method by Andrade Neto, N. F., Zanatta, P., Nascimento, L. E., Nascimento, R. M., Bomio, M. R. D., Motta, F. V.

“…Boron doped TiO 2 : x B ( x  = 0 mol.%, 1 mol.%, 2 mol.%, 4 mol.% and 8 mol.%) was quickly synthesized by a microwave-assisted solvothermic method at 140°C for…”
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Effect of the Heat Treatment Sequence in Forming WO3/SnO2/CuO Nanocomposites on the Photocatalytic Properties Illuminated by UV and Sunlight Irradiation by Rezende, T. T. A., Andrade Neto, N. F., Bomio, M. R. D., Motta, F. V.

“…In this work, the photocatalytic performance of WO 3 /SnO 2 /CuO thin films and pure oxides in degrading methylene blue (MB) dye under ultraviolet (UV) and…”
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Influence of pH variation on CuWO4, CuWO4/WO3 and CuWO4/CuO structures stabilization: study of the photocatalytic properties under sunlight by Andrade Neto, N. F., Oliveira, Y. G., Nascimento, J. H. O., Bomio, M. R. D., Motta, F. V.

“…In this work, the reaction pH range (from 2 to 10) was used to study the stabilization of the CuWO 4 phase in the presence of polyvinylpyrrolidone surfactant…”
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Fast and facile sonochemical synthesis of Mg- and Zn-doped PbS nanospheres: optical properties and photocatalytic activity by Andrade Neto, N. F., Ramalho, O. B. M., Fantucci, H., Santos, R. M., Bomio, M. R. D., Motta, F. V.

“…In this work, Mg 2+ - and Zn 2+ -doped PbS nanopowders were synthesized simply and quickly by a sonochemical method. The nanopowders were characterized by…”
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One-step synthesis of CaMoO4: Eu3+ nanospheres by ultrasonic spray pyrolysis by Almeida, C. R. R., Lovisa, L. X., Santiago, A. A. G., Li, M. S., Longo, E., Paskocimas, C. A., Motta, F. V., Bomio, M. R. D.

“…In this paper, CaMoO 4 and of Eu 3+ -doped CaMoO 4 nanospheres were prepared by a spray pyrolysis method and characterized by X-ray diffraction (XRD), field…”
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Photoluminescent properties of Sm3+ and Tb3+ codoped CaWO4 nanoparticles obtained by a one-step sonochemical method by Andrade Neto, N. F., Silva, J. M. P., Tranquilin, R. L., Longo, E., Domenegueti, J. F. M., Bomio, M. R. D., Motta, F. V.

“…Luminescent materials with LED applications can have your emission color controlled by rare earth doping. In this work, Sm 3+ - and Tb 3+ -codoped CaWO 4…”
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Increase of antimicrobial and photocatalytic properties of silver-doped PbS obtained by sonochemical method by Andrade Neto, N. F., Oliveira, Y. G., Paskocimas, C. A., Bomio, M. R. D., Motta, F. V.

“…In this work, pure PbS powders doped with silver were obtained in the proportions of 1, 2, 4 and 8 mol% by sonochemical method. Powders were characterized by…”
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