Pollution Research Paper

Vol 39, Issue 4, 2020; Page No.(1175-1179)

COMPARATIVE PHOTOCATALYTIC DEGRADATION OF THIAZINE DYES OVER VISIBLE LIGHT ACTIVE NICKEL BISMUTH IODIDE

SURAJ SHARMA, JAYANTI SAMOTA, SHIPRA BHARDWAJ AND KUMUD INTODIA

Abstract

In this work, Nickle Bismuth Iodide nanoparticles were successfully synthesized by simple precipitation and solid-state methods. The as-synthesized photocatalyst was characterized through XRD, FESEM, EDX UV-Vis analysis. To investigate the photocatalytic activity of Nickle Bismuth Iodide, photooxidation of Azure-A and Toluidine blue was comparatively studied. The impact of several factors like pH, the concentration of Azure-A and Toluidine blue dyes, amount of Nickel Bismuth Iodide, and irradiation time were examined. Increment in the reaction rate of both dyes was monitored with the help of a spectrophotometer. A tentative mechanism has been proposed for photocatalytic decomposition of both the dyes. The experimental results show that both dyes degrade approx 85% under the visible light.