Abstract

Preethab

DOI : http://dx.doi.org/10.13005/ojc/370218

The nano composite, polyaniline antimony tin tungstate in the H+ form was synthesized by a simple general method. EDS and ICP- AES methods were used to find the chemical constitution of the material. Further characterizations were done by TGA, XRD analysis, FTIR Spectroscopic analysis, UV-Visible DRS studies to find the optical properties, SEM for finding surface morphology, etc. Size determination using XRD peaks and TEM images confirmed its nano size. Investigation on ion exchange capacity and distribution coefficients for many metal ions revealed the ion exchange character. The composite exhibited differential selectivity forheavy metal ions such as PbII, ThIV, HgIV, etc. which are important in environmental applications like separation and treatment of polluted water from these metal ions. The electrical properties studied by Four–probe method revealed a high conductivity of 0.42 S/cm at room temperature and it decreases with an increase in temperature. These results suggest various applications of this nano compositein optoelectronics.

Antimony Tin Tungstate; Electrical Conductivity; Four Probe; Ion Exchange; Polyaniline

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