Listar por autoría "86342131-e260-4f8b-87c8-8a9b033af4e0"

Mostrando ítems 1-7 de 7

    • openAccess   Connecting Theory with Experiment to Understand the Sintering Processes of Ag Nanoparticles 

      da Silva, Edison; Faccin, Giovani M.; Machado, Thales Rafael; Guerra Macedo, Nadia; Assis, Marcelo de; Maya Johnson, Santiago; Sczancoski, Júlio César; Andres, Juan; Longo, Elson; San-Miguel, Miguel A. American Chemical Society (2019-04)
      A complementary combination of long-time atomistic molecular dynamics simulations and real-time transmission electron microscopy (TEM) images has been utilized for unraveling, at an atomic resolution, the nature of the ...

    • 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 ...

    • openAccess   In Situ Growth of Bi Nanoparticles on NaBiO3, delta-, and beta-Bi2O3 Surfaces: Electron Irradiation and Theoretical Insights 

      Assis, Marcelo de; Carvalho de Oliveira, Marisa; Machado, Thales Rafael; Guerra Macedo, Nadia; Costa, João Paulo C.; Gracia, Lourdes; Andres, Juan; Longo, Elson American Chemical Society (2019-02-04)
      Herein, we present a combined experimental and theoretical study of the in situ growth of Bi nanoparticles on NaBiO3, δ-, and β-Bi2O3 surfaces mediated by the electron beam of a high-resolution transmission electron ...

    • openAccess   Laser/Electron Irradiation on Indium Phosphide (InP) Semiconductor: Promising Pathways to In Situ Formation of Indium Nanoparticles 

      Assis, Marcelo de; Guerra Macedo, Nadia; Machado, Thales Rafael; Ferrer, Mateus M.; Gouveia, Amanda; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Leite, Edson R.; Sambrano, Julio; Andres, Juan; Longo, Elson Wiley (2018)
      In the current study, whether femtosecond laser and electron beam irradiation of indium phosphide (InP) are “green,” fast, and effective methods to produce metallic In nanoparticles is probed. High-resolution transmission ...

    • openAccess   Surfactant-Mediated Morphology and Photocatalytic Activity of α‑Ag2WO4 Material 

      Guerra Macedo, Nadia; Gouveia, Amanda; Alvarez Roca, Roman; Assis, Marcelo de; Gracia, Lourdes; Andres, Juan; Leite, Edson R.; Longo, Elson American Chemical Society (2018-03)
      In the present work, the morphology (hexagonal rod-like vs cuboid-like) of an α-Ag2WO4 solid-state material is manipulated by a simple controlled-precipitation method, with and without the presence of the anionic surfactant ...

    • closedAccess   Tailoring the Bactericidal Activity of Ag Nanoparticles/α-Ag2WO4 Composite Induced by Electron Beam and Femtosecond Laser Irradiation: Integration of Experiment and Computational Modeling 

      Guerra Macedo, Nadia; Machado, Thales Rafael; Alvarez Roca, Roman; Assis, Marcelo de; Foggi, Camila Cristina; Puerto-Belda, Verónica; Mínguez-Vega, Gladys; Rodrigues, André; San-Miguel, Miguel A.; Cordoncillo, Eloisa; Beltrán Mir, Héctor; Andres, Juan; Longo, Elson American Chemical Society (2019)
      In nanotechnology research, significant effort is devoted to fabricating patterns of metallic nanoparticles on the surfaces of different semiconductors to find innovative materials with favorable characteristics, such as ...

    • closedAccess   α‑AgVO3 Decorated by Hydroxyapatite (Ca10(PO4)6(OH)2): Tuning Its Photoluminescence Emissions and Bactericidal Activity 

      da Silva, Jussara Soares; Machado, Thales Rafael; Martins, Tiago A.; Assis, Marcelo de; Foggi, Camila Cristina; Guerra Macedo, Nadia; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Andres, Juan; Longo, Elson American Chemical Society (2019-04)
      Defect-related luminescent materials have attracted interest because of their excellent optical properties and are considered as a less expensive and nontoxic alternative to commonly used lanthanide-based optical systems. ...