Listar por autoría "a064ddc7-d044-4bee-8cd7-12bc0998bee7"

Mostrando ítems 1-12 de 12

    • openAccess   An Experimental and Computational Study of β-AgVO3: Optical Properties and Formation of Ag Nanoparticles 

      Oliveira, Regiane; Assis, Marcelo de; Teixeira, Mayara Mondego; Penha da Silva, Maya Dayana; Siu Li, Maximo; Andres, Juan; Gracia, Lourdes; Longo, Elson ACS Publications (2016-05-19)
      This article aims to gather together in one place and for first time the formation process of Ag nanoparticles (NPs) on β-AgVO3 crystals, driven by an accelerated electron beam from an electronic microscope under high ...

    • openAccess   Computational Chemistry Meets Experiments for Explaining the Geometry, Electronic Structure, and Optical Properties of Ca10V6O25 

      Teixeira, Mayara Mondego; Oliveira, Regiane; Carvalho de Oliveira, Marisa; Ribeiro, Renan; de Lazaro, Sergio Ricardo; Li, Maximo Siu; Chiquito, Adenilson J.; Gracia, Lourdes; Andres, Juan; Longo, Elson American Chemical Society (2018-11)
      In this paper, we present a combined experimental and theoretical study to disclose, for the first time, the structural, electronic, and optical properties of Ca10V6O25 crystals. The microwave-assisted hydrothermal (MAH) ...

    • openAccess   From Complex Inorganic Oxides to Ag–Bi Nanoalloy: Synthesis by Femtosecond Laser Irradiation 

      Machado, Thales Rafael; Guerra Macedo, Nadia; Assis, Marcelo de; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Teixeira, Mayara Mondego; Foggi, Camila Cristina; Vergani, Carlos; Beltrán Mir, Héctor; Andres, Juan; Cordoncillo, Eloisa; Longo, Elson American Chemical Society (2018-08-24)
      Bimetallic nanoalloys with a wide variety of structures and compositions have been fabricated through many diverse techniques. Generally, various steps and chemicals are involved in their fabrication. In this study, the ...

    • closedAccess   Mechanism of Antibacterial Activity via Morphology Change of α-AgVO3: Theoretical and Experimental Insights 

      Oliveira, Regiane; Foggi, Camila Cristina; Teixeira, Mayara Mondego; Penha da Silva, Maya Dayana; Assis, Marcelo de; Francisco, Eric Mark; Alves da Silva Pimentel, Bruna Natalia; Pereira, Paula; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Gracia, Lourdes; Longo, Elson American Chemical Society (2017)
      The electronic configuration, morphology, optical features, and antibacterial activity of metastable α-AgVO3 crystals have been discussed by a conciliation and association of the results acquired by experimental procedures ...

    • openAccess   Rational Design of W-Doped Ag3PO4 as an Efficient Antibacterial Agent and Photocatalyst for Organic Pollutant Degradation 

      Barrios Trench, Aline; Machado, Thales Rafael; Gouveia, Amanda; Foggi, Camila Cristina; Teodoro , Vinícius; Sanchez Montes, Isaac; Teixeira, Mayara Mondego; da Trindade, Letícia; jacomaci, natalia; Perrin, Andre; perrin, christiane; Aquino, Jose M.; Andres, Juan; Longo, Elson ACS Publications (2020-09-11)
      Bacterial and organic pollutants are major problems with potential adverse impacts on human health and the environment. A promising strategy to alleviate these impacts consists in designing innovative photocatalysts with ...

    • openAccess   Structure, optical properties, and photocatalytic activity of α-Ag2W0.75Mo0.25O4 

      Penha, M.D.; Gouveia, Amanda; Teixeira, Mayara Mondego; De Oliveira, R. C.; Assis, Marcelo de; Sambrano, J. R.; Yokaichya, F.; Santos, C. C.; Gonçalves, R. F.; Siu Li, Maximo; San-Miguel, Miguel A.; Andres, Juan; Longo, Elson Elsevier (2020-07-23)
      This article describes the synthesis of α-Ag2W0.75Mo0.25O4 using a coprecipitation method followed by microwave irradiation for different times. The samples were characterized using X-ray and neutron diffractions with ...

    • openAccess   Toward Expanding the Optical Response of Ag2CrO4 and Bi2O3 by Their Laser-Mediated Heterojunction 

      Torres-Mendieta, Rafael; Teixeira, Mayara Mondego; Mínguez-Vega, Gladys; de Souza, Daniele; Galvão Gobato, Yara; Assis, Marcelo de; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Andres, Juan; Cernik, Miroslav; Longo, Elson American Chemical Society (2020-11-18)
      The formation of heterojunctions between semiconductors with distinct properties usually expands their capabilities. In this context, many methodologies have been employed in pursuing efficient and fruitful heterojunctions. ...

    • closedAccess   Towards a white-emitting phosphor Ca10V6O25 based material 

      Teixeira, Mayara Mondego; Galvão Gobato, Yara; Gracia, Lourdes; Da Silva, Luis F.; Avansi, Waldir; Assis, Marcelo de; Oliveira, Regiane; Prando, Gabriela Augusta; Andres, Juan; Longo, Elson Elsevier (2019-12-27)
      To achieve a stable material capable of white-light emission, we fabricated Ca10V6O25 by both co-precipitation (CP) and microwave-assisted hydrothermal (MAH) methods at different temperatures. The effects of structural ...

    • openAccess   Unconventional Magnetization Generated from Electron Beam and Femtosecond Irradiation on α-Ag2WO4: A Quantum Chemical Investigation 

      Assis, Marcelo de; Ribeiro, Renan; Carvalho da Costa, Maria Helena; Teixeira, Mayara Mondego; Galvão Gobato, Yara; Prando, Gabriela Augusta; Mendonça, Cleber Renato; De Boni, Leonardo; de Oliveira, Adilson Jesus Aparecido; Bettini, Jefferson; Andres, Juan; Longo, Elson American Chemical Society (2020-04-21)
      Novel magnetic metals and metal oxides that use both the spin and charge of an electron offer exciting technological applications. Their discovery could boost research on functional nanoscale materials. Here, for the first ...

    • openAccess   Zinc-substituted Ag2CrO4: A material with enhanced photocatalytic and biological activity 

      Pinatti, Ivo M; Mora Tello, Ana Cristina; Barrios Trench, Aline; Foggi, Camila Cristina; Pereira, Paula; Teixeira, Mayara Mondego; jacomaci, natalia; Andres, Juan; Longo, Elson Elsevier (2020-05-01)
      In the past years, new environmentally-friendly photocatalysts have been reported, but the realization of efficient visible-light driven photocatalyst with highly active bactericidal and fungicidal activity is still ...

    • closedAccess   α- and β-AgVO3 polymorphs as photoluminescent materials: An example of temperature-driven synthesis 

      Oliveira, Regiane; Teixeira, Mayara Mondego; Costa, João Paulo C.; Penha, Maya; Francisco, Eric Mark; da Silva, Jussara Soares; Li, Maximo Siu; Longo, Elson; Gracia, Lourdes; Andres, Juan Elsevier (2018-04-15)
      Controlling the synthesis of a given polymorph of an inorganic material is a further step in the design of property and function. In this letter, we report for the first time a simple procedure to effectively control the ...

    • openAccess   αsingle bondAg2WO4 under microwave, electron beam and femtosecond laser irradiations: Unveiling the relationship between morphology and photoluminescence emissions 

      Teixeira, Mayara Mondego; Santos, Lílian Cruz; Mora Tello, Ana Cristina; Almeida, Priscila Barros; Soares da Silva, Jussara; Laier, Letícia; Gracia, Lourdes; Daldin Teodoro, Marcio; da Silva, Luís Fernando; Andres, Juan; Longo, Elson Elsevier (2022-01-29)
      In this study, the α-Ag2WO4 samples were successfully synthesized combined two methods, co-precipitation and microwave-assisted hydrothermal. Later, two different irradiation processes: electron beam and femtosecond laser ...