The effects of solvent and ultrasonic irradiation in synthesis of thallium(I) nano supramolecular polymers and use them as template for synthesis of thallium(III) oxide nanostructures with desirable morphology

Add time:08/18/2019    Source:sciencedirect.com

In order to study the effects of solvent and ultrasonic irradiation on formation of [Tl(HTar)]n (1) and/or [Tl2(Tar)]n (2), [H2Tar = (+)-tartaric acid] supramolecular polymers, we designed some experiments and synthesized four samples of 1 under the reaction of H2Tar and TlNO3 by sonochemical process and as the bulk samples. Nanostructures of compounds 1 and 2 as the bulk samples could be synthesized without ultrasonic irradiation, too. In the presence of ultrasonic waves, with acetonitrile solvent, more discrete nanoparticles were obtained. These four samples have been used as new precursors for preparation of thallium(III) oxide nanostructures via solid-state thermal decomposition process. There is a direct relationship between the morphology of initial precursors and resulting thallium(III) oxide nanostructures. These nanostructures were characterized by IR spectroscopy, X-ray powder diffraction (XRD) and Scanning Electron Microscopy (SEM).

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