Kinetics of the Formation of Particles in Microemulsions

Abstract

In this paper the kinetics of the formation of nanoparticles in microemulsions is studied by Monte Carlo computer simulation. It is observed that compartmentalization of the reactants induces a separation of the nucleation and growth processes, which is more clearly observed when the concentration of reactants is relatively high. It is also observed that growth by autocatalysis and by ripening overlaps at low concentrations but occurs on different time scales at high concentration. A comparison between the results of these simulations and those from Smoluchowski's rapid-coagulation mechanism is made, showing that this theory is adequate to model the kinetics of these reactions.

Microemulsion Synthesis of Copper Oxide Nanorod-Like Structures

“…Batches of 20 ml were made by adding a fixed 4 volume (16.54 %) of surfactant (Brij 30, Sigma Aldrich 98% purity) to n-heptane (Sigma Aldrich, 99% purity) and further adding a varying content of deionised water (1-5%). The surfactant concentration has been chosen to ensure a stable microemulsion as observed in the literature [41,42,43]. Table 1 identifies the various batches and the corresponding specimens.…”

Facile Synthesis of BaWO4Sub-Micron Sized Octahedron via a Microemulsion Method

“…[1][2][3][4] Among these methods, the microemulsion methods have been widely used for the control of the size and morphology of inorganic oxides. [5][6][7] The unique atomic arrangements on the surfaces can be obtained from the inorganic oxides with specific morphology. The physical properties, such as optical, catalytical, and antibacterial properties, are significantly affected by the surfaces of inorganic oxides.…”

Effective chemical route for the synthesis of silver nanostructures in formamide

“…Addition of stabilizer affects the nucleation and growth process of nanoparticles [29]. Addition of silver salt to formamide at room temperature in absence of any stabilizer leads to reduction of silver ions that eventually lead to the formation of metallic silver film on the inner walls of the container due to aggregation of the initially formed nanoparticles.…”