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Synthesis of Ag@Silica Nanoparticles by Assisted Laser Ablation.
González-Castillo, J R; Rodriguez, E; Jimenez-Villar, E; Rodríguez, D; Salomon-García, I; de Sá, Gilberto F; García-Fernández, T; Almeida, D B; Cesar, C L; Johnes, R; Ibarra, Juana C.
Afiliación
  • González-Castillo JR; Instituto Politécnico Nacional, CICATA U. Altamira, Altamira, CP 89600, México. jgonzalezc1300@alumno.ipn.mx.
  • Rodriguez E; Instituto Politécnico Nacional, CICATA U. Altamira, Altamira, CP 89600, México.
  • Jimenez-Villar E; Universidade Federal de Pernambuco, DQF, Recife, CP 50670-901, Brazil.
  • Rodríguez D; Departamento de Investigación Aplicada, Driscoll's-México, Jalisco, CP 45050, México.
  • Salomon-García I; Instituto Politécnico Nacional, CICATA U. Altamira, Altamira, CP 89600, México.
  • de Sá GF; Universidade Federal de Pernambuco, DQF, Recife, CP 50670-901, Brazil.
  • García-Fernández T; Universidad Autónoma de la Ciudad de México, México DF, CP 09790, México.
  • Almeida DB; Universidade Estadual de Campinas, IFGW-DEQ, Campinas, CP 13083-859, Brazil.
  • Cesar CL; Universidade Estadual de Campinas, IFGW-DEQ, Campinas, CP 13083-859, Brazil.
  • Johnes R; Instituto Politécnico Nacional, CICATA U. Altamira, Altamira, CP 89600, México.
  • Ibarra JC; Instituto Politécnico Nacional, CICATA U. Altamira, Altamira, CP 89600, México.
Nanoscale Res Lett ; 10(1): 399, 2015 Dec.
Article en En | MEDLINE | ID: mdl-26464175
This paper reports the synthesis of silver nanoparticles coated with porous silica (Ag@Silica NPs) using an assisted laser ablation method. This method is a chemical synthesis where one of the reagents (the reducer agent) is introduced in nanometer form by laser ablation of a solid target submerged in an aqueous solution. In a first step, a silicon wafer immersed in water solution was laser ablated for several minutes. Subsequently, an AgNO3 aliquot was added to the aqueous solution. The redox reaction between the silver ions and ablation products leads to a colloidal suspension of core-shell Ag@Silica NPs. The influence of the laser pulse energy, laser wavelength, ablation time, and Ag(+) concentration on the size and optical properties of the Ag@Silica NPs was investigated. Furthermore, the colloidal suspensions were studied by UV-VIS-NIR spectroscopy, X-Ray diffraction, and high-resolution transmission electron microscopy (HRTEM).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanoscale Res Lett Año: 2015 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanoscale Res Lett Año: 2015 Tipo del documento: Article Pais de publicación: Estados Unidos