Sonochemical synthesis of a new nano-structures bismuth(III) supramolecular compound: New precursor for the preparation of bismuth(III) oxide nano-rods and bismuth(III) iodide nano-wires

A new nanostructured Bi(III) supramolecular compound, {[Bi2(4,4′-Hbipy)1.678(4,4′-Hbipy)0.322(μ-I)2I5.678] (4,4′-bipy)} (1), 4,4′-bipy = 4,4′-bipyridine} was synthesized by a sonochemical method. The nano-structure of 1 was investigated using scanning electron microscopy, powder X-ray powder diffraction (XRD), IR spectroscopy and elemental analysis, and the crystal structure of compound 1 was determined by single-crystal X-ray diffraction. The thermal stability of bulk compound 1 and of nano sized particles was studied by thermal gravimetric (TG) and differential thermal analyses (DTA). Bi2O3 and BiI3 nano-structures were obtained by calcinations of nano-structures of compound 1 at 400 °C under air and nitrogen atmospheres, respectively.