Nanopartículas de Ag y Au Obtenidas en Solución y en Fibras de Algodón como Soporte por el Método de Bioreducción
DOI:
https://doi.org/10.69681/lajae.v3i1.11Keywords:
Bioreduction, Noble metal nanoparticles, Natural fibers, NacocompositesAbstract
During the development of this work, biocomposites of silver and gold nanoparticles were prepared via biological reduction, using cotton fiber as support and Camellia sinensis aqueous extract as reducing agent. Nanoparticles were also biosynthesized in solution using the same reducing agent in order to contrast with the nanoparticles on the surface of the fibers. In this way it was possible to compare some features of the particles as size distribution, the shape and the profile of the surface plasmon resonance (SPR) signal. The fibers were characterized by FESEM to demonstrate the surface impregnation with the biogenic metal nanoparticles. F-TEM studies were employed to determinate the shape and size distribution of the metal nanoparticles. The behavior of the plasmon surface resonance signal was follow with UV-VIS spectroscopy. Finally, binding energies of the nanocomposite was studied by XPS technique in order to found the bonding nature of the metal nanoparticles with the surface of cotton fibers.
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