Solar driven photocatalytic activities of metal oxide/ biopolymer nanocomposites upon methylene blue dye
Paper Details
Solar driven photocatalytic activities of metal oxide/ biopolymer nanocomposites upon methylene blue dye
Abstract
The present investigation aims to synthesize, characterize, and study the photocatalytic activities of zinc oxide/biopolymer nanocomposites. Sodium alginate and carboxy methyl cellulose were the biopolymers used. A simple precipitation method was adopted for the synthesis. The zinc oxide nanoparticles were calcined at 550oC for 2 hours in a muffle furnace and then mixed with the respective biopolymers under proper proportions and the resulting mixtures were poured in an autoclave maintained at 180oC for 12 hours, filtered, washed and dried at 60oC for 2 hours. The synthesized nanocomposites were characterized using XRD, SEM, TEM, FTIR, UV-VIS and AFM. The photocatalytic activities of the nanocomposites were tested using methylene blue dye under different experimental conditions by varying the pH, catalytic dosage, concentration of the dye and contact time. Excellent photocatalytic degradation of the dye was achieved under direct sunlight irradiation for both nanocomposites.
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T. Uma Rajalakshmi, S. Amutha, S. Rajaduraipandian, E. Pushpalakshmi, G. Annadurai (2023), Solar driven photocatalytic activities of metal oxide/ biopolymer nanocomposites upon methylene blue dye; JBES, V23, N6, December, P110-120
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