Synthesis of Single-crystalline Barium Carbonate Nanowires Through a Reverse Micelle Modified Solvothermal Method

Single-crystalline BaCO3 nanowires were successfully synthesized in a reverse micelle modified solvothermal method.The reverse micelle in Oleic acid/n-octane/water system was proved to work as template to guide the growth of BaCO3 along 1-dimension.The samples were characterized with X-ray powder diffraction(XRD),scanning electron microscopy(SEM),transmission electron microscopy(TEM),and high-resolution transmission electron microscopy(HRTEM).Results show that the BaCO3 nanowires are single-crystalline and have a uniform structure with diameters between 80 and 200 nm and lengths between hundreds of nanometers and several microns.And the formation mechanism of BaCO3 was discussed.