Abstract
Microemulsions in a ternary system of bis(N-octylethylenediamine)zinc(II) chloride (Zn(oct-en)2Cl2)/benzene/water were investigated by transmission electron microscopy, atomic force microscopy, infrared absorption spectroscopy, and the Fourier transform pulsed-gradient spin−echo NMR method. W/O microemulsion, sponge, and bicontinuous structures were observed to have formed in the ternary system. At the interface of the benzene and water domains in the bicontinuous structure, hydrocarbon chains of cisoid Zn(oct-en)2Cl2 were arranged, maintaining a 6 Å separation. The diffusion coefficient of water decreased in the following order depending on the water domain size: sponge; bicontinuous; W/O microemulsion structures.
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