Abstract
The significant environmental concerns need the extensive fabrication and design of efficient visible light responsive photocatalysts materials. The objective of this research is to develop a highly efficient ternary polyaniline – phosphotungstic acid @ZrO2 nanohybrid photocatalyst for use in visible light. polyaniline – phosphotungstic acid @ZrO2 nanohybrids were successfully synthesized by chemical oxidative polymerization method and characterized. The XRD analysis confirms the formation of monoclinic zirconia phase crystalline polymer while HR-SEM and HR-TEM results reveals that polymers were grown on the surface of Phosphotungstic Acid-Zirconia and contributes to visible light absorption property. The photocatalytic activity of Polyaniline (PANI)/Phosphotungstic acid (PTA)-Zirconia (ZrO2) nanohybrids was studied using methylene blue (MB) dye, p-Nitrophenol (PNP), 2, 4-dichlorophenoxyaceticacid (2, 4-D) as toxic pollutants. It is found that, PANI/PTA-ZrO2 (3:1) shows enhanced photocatalytic activity.
Published Version
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