Search Results - "Rosaly Davolos, Marian"

Excitation mechanisms and effects of dopant concentration in Gd2O2S:Tb3+ phosphor by ABREU DA SILVA, Alison, CEBIM, Marco Aurelio, ROSALY DAVOLOS, Marian

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New crown-ether Dibenzo-18-crown-4 ligand via sequential one-pot reaction by Alessandro Nesta Silva, Rodolpho, Antonio Marques Lima, Sergio, Ivo da Silva Maia, Pedro, Rosaly Davolos, Marian, Maria Pires, Ana

“…[Display omitted] •New synthetic route to produce a novel crown-ether using a tandem one-pot method is introduced.•The isolated product (80% yield) full…”
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Zn(ferulate)-LSH Systems as Multifunctional Filters by Saito, Gustavo Pereira, Matsumoto, Ana Carolina Lanfredi, Assis, Renata Pires, Brunetti, Iguatemy Lourenço, Cebim, Marco Aurélio, Davolos, Marian Rosaly

“…Excessive UV solar radiation exposure causes human health risks; therefore, the study of multifunctional filters is important to skin UV protective ability and…”
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UV-protective compound-containing smart textiles: A brief overview by Lupino, Jo o Henrique Barcha, Saito, Gustavo Pereira, Cebim, Marco Aur lio, Davolos, Marian Rosaly

“…Excessive exposure to solar ultraviolet (UV) radiation causes human health damages, such as sunburns and skin cancer. Thus, the use of sun-protective clothing…”
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Luminescence of Europium(III) and Manganese(II) in Barium and Zinc Orthosilicate by Pires, Ana Maria, Davolos, Marian Rosaly

“…The aim of this work is to report on the luminescence properties of BaZnSiO4 activated by Eu3+ and Mn2+ ions. Doped and undoped powder samples were prepared by…”
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Study of the colloidal stability and optical properties of sunscreen creams by Saito, Gustavo Pereira, Bizari, Mariana, Cebim, Marco Aurélio, Correa, Marcos Antonio, Jafelicci Junior, Miguel, Davolos, Marian Rosaly

“…Sunscreen formulations containing inorganic/organic filters or mixture of them were synthesized by oil/water dispersion. The viscosity measurements show that…”
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Morphological and luminescent studies on nanosized Er, Yb–Yttrium oxide up-converter prepared from different precursors by Pires, Ana Maria, Serra, Osvaldo Antonio, Davolos, Marian Rosaly

“…In this paper, we report luminescent and morphological studies with yttrium oxide samples doped with ytterbium and erbium. The samples were prepared by the…”
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The effects of ZnGa2O4 formation on structural and optical properties of ZnO:Ga powders by DE SOUZA GONCALVES, Agnaldo, DE LIMA, Sergio Antonio Marques, DAVOLOS, Marian Rosaly, GUTIERREZ ANTONIO, Selma, DE OLIVEIRA PAIVA-SANTOS, Carlos

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Solvothermal method to obtain europium-doped yttrium oxide by Davolos, Marian Rosaly, Feliciano, Sergio, Pires, Ana M., Marques, Rodrigo F.C., Jafelicci, Miguel

“…Pure yttrium oxide or mixed with europium oxide (3at%) were treated in supercritical isopropanolic suspension at 500°C for 20h and filling degree of 50%…”
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Sistema para realização de medidas de luminescência com excitação por Raios X by Cebim, Marco Aurélio, Oliveira, Higor Henrique de Souza, Barelli, Nilso, Davolos, Marian Rosaly

“…In this work is presented a versatile system for X-ray excited optical luminescence (XEOL) measurements. The apparatus was assembled from a sample holder…”
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Pechini's solution as precursor for Eu(III)-containing ZnO films by Lima, Sergio Antonio Marques, Sigoli, Fernando Aparecido, Davolos, Marian Rosaly

“…The flat-panel-display's (FPD) market and demand for highly efficient and colored luminescent films have been growing quickly. In this work, thin films were…”
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Hollow silica particles from microemulsion by Jafelicci Jr, Miguel, Rosaly Davolos, Marian, José dos Santos, Francisco, José de Andrade, Sandro

“…Silica particles were obtained by addition of diluted soluble sodium silicate in sodium 1,2 bis (2-ethylhexyloxycarbonyl)-1-ethenesulfonate reverse…”
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Europium(III) and gallic acid ligand coordination compounds: synthesis, characterization, photophysical processes, and optimization of luminescent properties by Moralles, Vagner Antônio, Davolos, Marian Rosaly, Cebim, Marco Aurélio

“…[Display omitted] •EuIII and GdIII coordination compounds with gallic acid were prepared and characterized in the solid state.•The starting salt of the…”
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Europium-doped Zn-Al-LDH intercalated with 4-biphenylcarboxylate anion and undoped Zn-Al-LDH intercalated with its anionic Eu(III) complex: Structural and UV or X-ray excited luminescence properties by Saska Romero, João Henrique, Saito, Gustavo Pereira, Cagnin, Flávia, Cebim, Marco Aurélio, Davolos, Marian Rosaly

“…Undoped and doped layered double hydroxides (LDH) were obtained by coprecipitation and the bca (biphenyl-4-carboxylate) anion or [Eu(bca)4]- intercalation by…”
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Eu(III) doped LDH intercalated with cinnamate anion as multifunctional sunscreens by Saito, Gustavo Pereira, Romero, João Henrique Saska, Cebim, Marco Aurélio, Davolos, Marian Rosaly

“…Eu(III) doped Zn2Al-LDH intercalated with cinnamate anions with different C9H7O2-/M3+ molar ratios were synthesized by different anion-exchange methods. The…”
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New X-ray powder diffraction data and Rietveld refinement for Gd 2 O 3 monodispersed fine spherical particles by Pires, Ana Maria, Davolos, Marian Rosaly, Paiva-Santos, Carlos O., Stucchi, Elizabeth Berwerth, Flor, Juliana

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Relationship between scintillation properties and crystallite sizes in Y2O3:Eu3 by Krauser, Maike de Oliveira, Oliveira, Higor Henrique de Souza, Cebim, Marco Aurélio, Davolos, Marian Rosaly

“…This work describes the relation between crystallite size and scintillation properties of Eu3+-doped yttrium oxide. Nanocrystalline Y2O3:Eu3+ 1.0 mol% powders…”
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Temperature and exposure time-dependent scintillation of Eu(III) polyoxometalate under X-ray excitation by Oliveira, Higor Henrique de Souza, Cebim, Marco Aurélio, Davolos, Marian Rosaly

“…Sodium decatungstoeuropate, Na9[Eu(W5O18)2]·14H2O, is a promising material to convert X-ray into visible light. In this work, temperature and exposure…”
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Studies of some effects on the preparation of spherical silica particles from reverse microemulsion by Juliana Flor, Marian Rosaly Davolos, Miguel Jafelicci Júnior

“…Silica spherical particles were prepared in reverse microemulsion from sodium silicate solution precursor. Particle shape and size changes were investigated in…”
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Gallium-doped zinc oxide prepared by the Pechini method by Agnaldo de Souza Gonçalves, Sergio Antonio Marques de Lima, Marian Rosaly Davolos

“…Gallium-doped zinc oxide (ZnO:Ga) was prepared by the Pechini method from zinc citrate and gallium hydroxide. By this method, it is possible to synthesize…”
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