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|Type:||Artigo de periódico|
|Title:||Functionalization of ordered iron-based nanoparticles deposited on mesoporous films|
|Abstract:||Mesoporous films obtained by dip-coating, combining polyconclensation of silicate species and organization of amphiphilic mesophases, were decorated with iron-based nanoparticles from iron aqueous solution. High-resolution transmission electron microscopy (HR-TEM) images and energy dispersive X-rays spectroscopy (EDS) analysis show that the nanoparticles have diameters between 5 to 10 nm and they are deposited in an ordered sequence exclusively on top of the mesoporous structure. Afterward, by irradiating the material with a hydrogen ion beam, the iron-based compound is functionalized, i.e., its physical-chemical properties are modified. X-ray photoelectron spectroscopy (XPS) showed that the iron oxides and hydroxides are reduced to metallic iron. The deposition of organized iron-based nanoparticles and further ion beam functionalization might open perspectives on the study and fabrication of complex new materials.|
|Editor:||Amer Scientific Publishers|
|Citation:||Journal Of Nanoscience And Nanotechnology. Amer Scientific Publishers, v. 8, n. 1, n. 448, n. 451, 2008.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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