Search Results - "Maia, Lauro June Queiroz"

Tuning White Light Emission in Dinuclear Phenoxo Bridged Dy III Complexes by Manzur, Jorge, de Santana, Ricardo Costa, Maia, Lauro June Queiroz, Vega, Andres, Spodine, Evgenia

“…A new series of dinuclear dysprosium(III) complexes, [Dy (L ) (NO ) (MeOH) ] ( ), [Dy (L ) (NO ) (DMF) ]·2DMF ( ), [Dy (L ) (NO ) (DMF) ]·2DMF ( ), and [Dy (L…”
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Solution-processed organic-inorganic hybrid material based on P3HT and SnS2 nanoparticles layers: Synthesis and properties by Bethencourt, Loengrid, Barthaburu, María Pérez, Aguiar, Ivana, Oreggioni, Daniela, Costa de Santana, Ricardo, Queiroz Maia, Lauro June, Gau, Daniel, Marotti, Ricardo, Fornaro, Laura

“…Sn-based nanocomposites attract extensive attention as a new generation of photoelectric hybrid materials due to their high photoelectric conversion…”
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Inspecting the role of synthons in the electronic transition of N-heterocyclic compounds by Valdo, Ana Karoline Silva Mendanha, de Santana, Ricardo Costa, Maia, Lauro June Queiroz, Guimarães, Freddy Fernandes, Guedes, Guilherme P., Martins, Felipe Terra

“…•Eight new crystal forms of template N-heterocyclic compounds.•Diffuse reflectance spectra and direct band gap for these crystal forms.•TD-DFT studies to…”
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A Blue-Light-Emitting Cadmium Coordination Polymer with 75.4% Photoluminescence Quantum Yield by do Nascimento Neto, José Antônio, Valdo, Ana Karoline Silva Mendanha, da Silva, Cameron Capeletti, Guimarães, Freddy Fernandes, Queiroz Júnior, Luiz Henrique Keng, Maia, Lauro June Queiroz, de Santana, Ricardo Costa, Martins, Felipe Terra

“…We report a novel bright deep-blue-emitting crystal form based on a simple cadmium coordination polymer with an impressive external photoluminescence quantum…”
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Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+–Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics by Aquino, Felipe Thomaz, Ferrari, Jefferson Luis, Maia, Lauro June Queiroz, Ribeiro, Sidney José Lima, Ferrier, Alban, Goldner, Philippe, Gonçalves, Rogéria Rocha

“…This work reports on the Yb3+ ion addition effect on the near infrared emission and infrared-to-visible up conversion from planar waveguides based on Er3+–Yb3+…”
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NIR luminescent Er3+/Yb3+ co-doped SiO2–ZrO2 nanostructured planar and channel waveguides: Optical and structural properties by Cunha, César dos Santos, Ferrari, Jefferson Luis, de Oliveira, Drielly Cristina, Maia, Lauro June Queiroz, Gomes, Anderson Stevens Leonidas, Ribeiro, Sidney José Lima, Gonçalves, Rogéria Rocha

“…Optical and structural properties of planar and channel waveguides based on sol–gel Er3+ and Yb3+ co-doped SiO2–ZrO2 are reported. Microstructured channels…”
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Enhancement of Terbium(III)-Centered Luminescence by Tuning the Triplet Energy Level of Substituted Pyridylamino-4-R-Phenoxo Tripodal Ligands by Manzur, Jorge, Poblete, Carolina, Morales, Jeannette, de Santana, Ricardo Costa, Queiroz Maia, Lauro June, Vega, Andres, Fuentealba, Pablo, Spodine, Evgenia

“…A series of luminescent phenoxo-bridged dinuclear TbIII complexes with tripodal ligands, 2,2′-[[(2-pyridinylmethyl)­imino]­di­(methylene)]-bis­(4-R-phenol),…”
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Temperature dependent photoluminescence properties of a Y2Ge2O7:Tb3+ phosphors. A dual band ratiometric luminescent thermometer by dos Santos, Débora Evelyn Taborga, Torquato, Alisson, Barbosa, Itália Vallerini, Carvalho, Jesiel Freitas, Maia, Lauro June Queiroz, Santana, Ricardo Costa de

“…A series of green light emitting Y2Ge2O7:xTb3+ phosphors (x = 0.2, 0.5, 1.0, 2.0 and 4.0 mol%) were obtained via the solid-state reaction method. The single…”
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Synthesis, luminescent and thermometric properties of the Tb3+ doped Gd2TeO6 phosphor by Ferreira, Katiúscia Daiane, de Queiroz, Luana Alves, Carvalho, Jesiel Freitas, Maia, Lauro June Queiroz, de Santana, Ricardo Costa

“…Gadolinium tellurate phosphor Gd2TeO6 pure and Tb3+ doped were successfully synthesised by solid-state reaction. The crystal structure and photoluminescence…”
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From a novel synthesis method for bismuth tri-iodide nanoparticles to a solution-processed hybrid material: BiI.sub.3-conducting polymer by Bethencourt, Loengrid, Aguiar, Ivana, Pérez Barthaburu, María, Oreggioni, Daniela, Costa de Santana, Ricardo, Queiroz Maia, Lauro June, Fornaro, Laura

“…We successfully synthesized two types of bismuth tri-iodide nanoparticles: uncapped (BiI.sub.3) and capped with aniline (BiI.sub.3_ani), in order to study…”
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From a novel synthesis method for bismuth tri-iodide nanoparticles to a solution-processed hybrid material: BiI3-conducting polymer by Bethencourt, Loengrid, Aguiar, Ivana, Pérez Barthaburu, María, Oreggioni, Daniela, Costa de Santana, Ricardo, Queiroz Maia, Lauro June, Fornaro, Laura

“…We successfully synthesized two types of bismuth tri-iodide nanoparticles: uncapped (BiI 3 ) and capped with aniline (BiI 3 _ani), in order to study their…”
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Tuning White Light Emission in Dinuclear Phenoxo Bridged DyIII Complexes by Manzur, Jorge, de Santana, Ricardo Costa, Maia, Lauro June Queiroz, Vega, Andres, Spodine, Evgenia

“…A new series of dinuclear dysprosium­(III) complexes, [Dy2(LCH3 )2(NO3)2(MeOH)2] (I), [Dy2(LCH3 )2(NO3)2(DMF)2]·2DMF (II), [Dy2(LCl)2(NO3)2(DMF)2]·2DMF (III),…”
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Europium(III), Terbium(III), and Gadolinium(III) Oxamato-Based Coordination Polymers: Visible Luminescence and Slow Magnetic Relaxation by de Oliveira Maciel, Jhonny Willians, Lemes, Maykon Alves, Valdo, Ana Karoline, Rabelo, Renato, Martins, Felipe Terra, Queiroz Maia, Lauro June, de Santana, Ricardo Costa, Lloret, Francesc, Julve, Miguel, Cangussu, Danielle

“…The reaction of aqueous solutions of EuIII, TbIII, and GdIII ions with Na2Hpcpa [H3pcpa = N-(4-carboxyphenyl)­oxamic acid] afforded three new isostructural…”
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Continuous trap distribution and variation of optical properties with concentration in oxi-fluoroborate glass doped with Nd3 by Rodríguez Chialanza, Mauricio, Azcune, Germán, Bentos Pereira, Heinkel, Gasparotto, Gisane, Costa de Santana, Ricardo, Queiroz Maia, Lauro June, Freitas Carvalho, Jesiel

“…Alkaline earth borate glasses are being studied due to their interesting structure and properties. Here, the optical properties of some barium oxyfluoride…”
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Joining a host-guest platform and a light-emission motif: Pyrazinamide-calixarene hybrids by Alvarenga, Meiry Edivirges, Guimarães, Freddy Fernandes, da Silva, Cleiton Moreira, Alves, Rosemeire Brondi, Lara, Thiago Vinicius Costa, Maia, Lauro June Queiroz, de Santana, Ricardo Costa, Martins, Felipe Terra

“…•Synthesis of two pyrazinamide-calixarene hybrids.•One derivative crystallizes in two crystal forms (non-solvated and DMF solvate).•Another one crystallizes…”
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Isostructural coordination chains assembled with aminopyrazine: Decreasing photoluminescence yield by Cd(II) replacement for Mn(II) by Lemes, Maykon Alves, Neto, José Antônio do Nascimento, Guimarães, Freddy Fernandes, Maia, Lauro June Queiroz, de Santana, Ricardo Costa, Martins, Felipe Terra

“…•A novel blue-light-emitter based on the cadmium-ampyz coordination polymer.•Crystal structure, photoluminescence and TD-DFT studies.•Isostructural cadmium and…”
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The critical role of the coordination sphere in the high-efficiency blue-light emission from aminopyrazine metal-organic polymers by Dias Campos, João Humberto, Alvarenga, Meiry Edivirges, Lemes, Maykon Alves, Antônio do Nascimento Neto, José, Guimarães, Freddy Fernandes, Queiroz Maia, Lauro June, Costa de Santana, Ricardo, Martins, Felipe Terra

“…A cadmium coordination polymer assembled with aminopyrazine (ampyz) and acetate is known to convert UV radiation into blue light with external brightness of…”
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Chalcone as Potential Nonlinear Optical Material: A Combined Theoretical, Structural and Spectroscopic Study by Custodio, Jean M F, D'Oliveira, Giulio D C, Gotardo, Fernando, Cocca, Leandro H Z, De Boni, Leonardo, Noda Perez, Caridad, Maia, Lauro June Queiroz, Valverde, Clodoaldo, Osorio, Francisco A P, Napolitano, Hamilton B

“…In this work, we propose the synthesis of a novel bromine chalcone (E)-3-(2-bromophenyl)-1-(2phenylsulfonylamine)-phenyl)prop-2-en-1-one (BRC) that has been…”
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Near infrared emission and multicolor tunability of enhanced upconversion emission from Er 3+ –Yb 3+ co-doped Nb 2 O 5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics by Aquino, Felipe Thomaz, Ferrari, Jefferson Luis, Maia, Lauro June Queiroz, Ribeiro, Sidney José Lima, Ferrier, Alban, Goldner, Philippe, Gonçalves, Rogéria Rocha

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A Blue-Light-Emitting Cadmium Coordination Polymer with 75.4% External Quantum Efficiency by do Nascimento Neto, José Antônio, Valdo, Ana Karoline Silva Mendanha, da Silva, Cameron Capeletti, Guimarães, Freddy Fernandes, Queiroz Júnior, Luiz Henrique Keng, Maia, Lauro June Queiroz, de Santana, Ricardo Costa, Martins, Felipe Terra

“…We report a novel bright deep-blue-emitting crystal form based on a simple cadmium coordination polymer with an impressive external quantum efficiency of…”
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