Listar por autoría "e13c2dcf-6888-427e-9d5e-fa38dbf714f5"

Mostrando ítems 1-7 de 7

    • closedAccess   Effect of synthesis methods of Co-modified TiO2 in its photocatalytic and bactericidal activity 

      Moreira, Ailton J.; Blaskievicz, Sirlon; Assis, Marcelo de; Marques, Gleison N.; Menezes, Wallas T.; Rabello, Pietra T.; Rabahi, Cesar; Galvão Gobato, Yara; Freschi, Gian Paulo; Mascaro, Lucia; Pereira, Ernesto Springer (2023-10-13)
      It is well known that a given material's synthesis method can change its catalytic properties. In this work, we demonstrated that Co-modified TiO2 (TiCo) showed photocatalytic activity and bactericidal for water decontamination. ...

    • openAccess   Interface matters: Design of an efficient α-Ag2WO4/Ag3PO4 photocatalyst 

      Barrios Trench, Aline; Alvarez Roca, Roman; Teodoro , Vinícius; da Trindade, Letícia; Machado, Thales Rafael; Teixeira, Mayara Mondego; De Souza, Daniele; Pinatti, Ivo M; Simões, Alexandre; Galvão Gobato, Yara; Andres, Juan; Longo, Elson Elsevier (2022-02-10)
      Heterojunction engineering of complex metal oxides is an active area of research that addresses fundamental questions in solid-state systems with broad technological applications. In this work, α-Ag2WO4/Ag3PO4 heterojunctions ...

    • openAccess   Photoluminescence emissions of Ca1−xWO4:xEu3+: Bridging between experiment and DFT calculations 

      Gouveia, Amanda; Assis, Marcelo de; Ribeiro , Lara Kelly; Brandão Lima, Aline Estefany; de Oliveira Gomes, Eduardo; Souza, Daniele; Galvão Gobato, Yara; Rosa, Ieda; Luz Jr, Geraldo; Guillamón, Eva; Longo, Elson; Andres, Juan; San-Miguel, Miguel A. Elsevier (2022-10-15)
      In this work, the impact of the doping process on the photoluminescence emission of CaWO4 as a function of the concentration of Eu3+ cation (0.01 mol%, 0.02 mol%, 0.04 mol%, 0.06 mol%, 0.08 mol%, and 0.10 mol%) is discussed ...

    • openAccess   Revealing the Nature of Defects in α-Ag2WO4 by Positron Annihilation Lifetime Spectroscopy: A Joint Experimental and Theoretical Study 

      Assis, Marcelo de; Ponce, Miguel Adolfo; Gouveia, Amanda; de Souza, Daniele; Costa, João Paulo; Teodoro , Vinícius; Galvão Gobato, Yara; Andres, Juan; Macchi, Carlos; Somoza, Alberto; Longo, Elson American Chemical Society (2021)
      Electron–matter coupling is a fascinating way to tune and modify the properties of materials. In this work, we present a study on the formation and nature of vacancy-like defects in α-Ag2WO4 samples synthesized in a water ...

    • 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 ...