Listar por autoría "cf0abc85-a7c8-4934-8c98-a1473c53ab12"
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Effect of polyvinyl alcohol on the shape, photoluminescence and photocatalytic properties of PbMoO4 microcrystals
Araújo, Vinícius Dantas; Tranquilin, R. L.; Motta, F. V.; Paskocimas, C. A.; Bernardi, Maria Inês B.; Cavalcante, Laécio Santos; Andres, Juan; Longo, Elson; Bomio, M. R. D. Elsevier (2014)For this study, lead molybdate (PbMoO4) microcrystals were prepared by the co-precipitation method and processed using a conventional hydrothermal method at 100 °C for 10 min with polyvinyl alcohol (PVA) as the capping ... -
Experimental and theoretical study to explain the morphology of CaMoO4 crystals
Oliveira, F.K.F.; Carvalho de Oliveira, Marisa; Gracia, Lourdes; Tranquilin, R. L.; Paskocimas, C. A.; Motta, F. V.; Longo, Elson; Andres, Juan; Bomio, M. R. D. Elsevier (2018-03)CaMoO4 crystals were prepared by a controlled co-precipitation method and processed in a domestic microwave-assisted hydrothermal system with two different surfactants (ethyl 4-dimethylaminobenzoate and 1,2,4,5-benzenete ... -
Integrated experimental and theoretical study on the phase transition and photoluminescent properties of ZrO2:xTb3+ (x=1, 2, 4 and 8 mol %)
Lovisa, L. X.; Gomes, Eduardo O.; Gracia, Lourdes; Santiago, A. A. G.; Siu Li, Maximo; Andres, Juan; Longo, Elson; Bomio, M. R. D.; Motta, F. V. Elsevier ScienceDirect (2021-08-25)Zirconia (ZrO2) has been intensively studied as an important ceramic material, and numerous technological applications have been found. The present work deals with synthesizing and characterizing the phase transition (cubic ... -
Photoluminescent properties of ZrO2: Tm3+, Tb3+, Eu3+ powdersd-A combined experimental and theoretical study
Lovisa, L. X.; Andres, Juan; Gracia, Lourdes; Li, Maximo Siu; Paskocimas, C. A.; Bomio, M. R. D.; Araújo, Vinícius Dantas; Longo, Elson; Motta, F. V. Elsevier (2017-02)Rare-earth (RE) element-based materials for optical applications have received increasing attention owing to the emission properties of RE ions, which render these materials suitable for use in color displays, lasers, and ... -
Structural refinement, growth mechanism, infrared/Raman spectroscopies and photoluminescence properties of PbMoO4 crystals
Bomio, M. R. D.; Cavalcante, Laécio Santos; Almeida, M.A.P.; Tranquilin, R. L.; Batista, N.C.; Pizani, Paulo Sergio; Siu Li, Maximo; Andres, Juan; Longo, Elson Elsevier (2013)Lead molybdate (PbMoO4) crystals were synthesized by the co-precipitation method at room temperature and then processed in a conventional hydrothermal (CH) system at low temperature (70 °C for different times). These ... -
Structure, electronic properties, morphology evolution, and photocatalytic activity in PbMoO4 and Pb12xCaxSrxMoO4 (x = 0.1, 0.2, 0.3, 0.4 and 0.5) solid solutions
Gomes, Eduardo O.; Gracia, Lourdes; Santiago, A. A. G.; Tranquilin, R. L.; Motta, F. V.; Amoresi, Rafael; Longo, Elson; Bomio, M. R. D.; Andres, Juan Royal Society of Chemistry (2020)In this work PbMoO4 and Pb12xCaxSrxMoO4 (x = 0.1, 0.2, 0.3, 0.4 and 0.5) solid solutions have been successfully prepared, for the first time, by a simple co-precipitation method and the as-synthesized samples were subjected ... -
Structure, morphology and photoluminescence emissions of ZnMoO4: RE 3+=Tb3+ - Tm3+ - X Eu3+ (x = 1, 1.5, 2, 2.5 and 3 mol%) particles obtained by the sonochemical method
Lovisa, L. X.; Oliveira, M. C.; Andres, Juan; Gracia, Lourdes; Li, Maximo Siu; Longo, Elson; Tranquilin, R. L.; Paskocimas, C. A.; Bomio, M. R. D.; Motta, F. V. Elsevier (2018-06)ZnMoO4 and ZnMoO4: RE3+ = 1% Tb3+, 1% Tm3+, x Eu3+ (x = 1, 1.5, 2, 2.5 and 3 mol%) particles were prepared by a sonochemical method. The influence of the dopant content on photoluminescent behavior was investigated. The ... -
Toward Understanding the Photocatalytic Activity of PbMoO4 Powders with Predominant (111), (100), (011), and (110) Facets. A Combined Experimental and Theoretical Study
Bomio, M. R. D.; Tranquilin, R. L.; Motta, F. V.; Paskocimas, C. A.; Nascimento, R. M.; Gracia, Lourdes; Andres, Juan; Longo, Elson American Chemical Society (2013)A complementary combination of experimental work and first-principle calculations, based on the density functional theory (DFT) method, has been used to increase our limited understanding of the enhanced photocatalytic ...