A Study on the Photocatalytic and Antimicrobial Activities of Chitosan–ZnO Nanocomposites
J. Environ. Nanotechnol., Volume 12, No 4 (2023) pp. 9-16
Abstract
ZnO nanoparticles can have their size, crystalline phase and aggregation inhibited by the biocompatible polymer chitosan. The production of ZnO nanoparticles with chitosan assistance was carried out using Sol-gel methodology. The nanoparticles have been studied using XRD, TGA, Surface analysis and HR-TEM. According to the findings, ZnO nanoparticles have a hexagonal shape and a particle size of roughly 91 nm. The synthesized nanoparticles exhibit improved photocatalytic activity for reactive dyes for Congo red when exposed to sunlight. The Langmuir-Hinshelwood (L-H) model revealed that the kinetics followed a pseudo-first-order. Additionally, the antibacterial activity was tested against the gram-negative Escherichia coli bacteria.
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