Micelles as Supercages for Bimetallic Nanoparticles Synthesis

The bettering of the bimetallic nanoparticles characteristics depends the ability to tune the ore arrangement and surface features, which requires an state-of-the-art control of the synthetic procedure. We carried out a calculating simulation study on the formation of bimetallic nanoparticles for one microemulsion route. A comprehensive reasoning of the resulting nanostructures was acted in the light of the influence of intermicellar exchange on reactivity. For a couple of metals whose dissimilarity in standard reduction potentials is about 0.2- 0.3 V, and utilizing a quite flexible surfactant, the backlash rate of each metal was listened versus period using different something which incites activity proportions. It was confirmed that reaction rates depends not only on the synthetic reduction rate but also on intermicellar rate of exchange, because the intermicellar exchange plays as drug pump, which results in an aggregation of slower forerunners within micelles, with improving the slower synthetic reduction. So the later reduction rate strongly depends on the abundance of reactants in micelles. On the contrary, faster reduction rate is just restricted by the intermicellar rate of exchange, and no reactants accumulation takes place. This different interaction between two together metal decline rates and the compartmentalization of the reaction media have key consequences on the sequence of metals decline. Hence different precursor portions leads to different sequences of metals decline, so the arrangement of two together metals in the resulting nanostructure can be maneuvered just by changing the forerunner proportions.

Author(s) Details:

C. Tojo,
Physical Chemistry Department, Faculty of Chemistry, University of Vigo, E-36310, Vigo, Spain.

E. Gonzalez,
Physical Chemistry Department, Faculty of Chemistry, University of Vigo, E-36310, Vigo, Spain.

N. Vila-Romeu,
Physical Chemistry Department, Faculty of Sciences, University of Vigo, E-32004, Ourense, Spain.

Please see the link here: https://stm.bookpi.org/RPST-V2/article/view/9239

Keywords: Bimetallic nanoparticles, microemulsion, intermicellar exchange rate, simulation