Effect of Reverse Micelle Water Pool in Synthesis of Zirconia Stabilized Copper Nanocomposite

Abstract

In the water-in-oil (W/O) microemulsions based on anionic (AOT) surfactants, the ω value (molar ratio of water to surfactant), precursor, and surfactant could remarkably affect the synthesis of CuOZrO2 nanocomposite and the morphologies of the sol-gel products simultaneously. In this study, CuO-ZrO2 nanoparticles are synthesized using microreactors made of surfactant/water/n-hexane microemulsions and discusses the effect of different microemulsion variables on the particle size and particle size distribution by water-to-surfactant molar ratio. The obtained powders are characterized by DTA, XRD, SEM, EDS, and TEM and their physical properties are compared. For AOT surfactant the particle size increased with increasing the water to surfactant molar ratio. The particles size of CuO-ZrO2 nanocomposite in sample with anionic surfactant with molar ratio of 6 that calcined at 600˚C is between 15-20 nm.

Electrodeposition of iron from 1-ethyl-3-methylimidazolium trifluoromethanesulfonate and reverse microemulsions of Triton X-100

“…In that case, utilization of surfactant based organized media, such as water-in-oil microemulsions based on reverse micelles, with controlled environment for electrodeposition can be very promising to obtain iron electrodeposits with tunable size, shape, and morphology by changing the composition of the medium. The core size of a reverse micellar system has been reported to affect the morphology and particle size of the depositing metals [31][32][33][34][35]. Besides conventional microemulsion based reverse micelles, reverse microemulsions (RMEs) with ILs can be very promising media for electrodeposition of metals and alloys due to synergistic advantageous properties of both RMEs and ILs.…”