Green synthesis of zinc oxide nanoparticles doped Leucas aspera leaf extract and its photocatalytic applications

V. C. Senthilkumar ,N. Bhadusha ,R. Uthrakumar ,K. Kaviyarasu

doi:10.15251/JOBM.2024.164.189

V. C. Senthilkumar

N. Bhadusha

R. Uthrakumar

K. Kaviyarasu

^aDepartment of Chemistry, Govt. Arts College (Autonomous), Salem - 636007,

TamilNadu, India

^bDepartment of Physics, Govt. Arts College (Autonomous), Salem - 636007, Tamil Nadu, India

c UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology Laboratories,

College of Graduate Studies, University of South Africa (UNISA), Muckleneuk

Ridge, PO Box 392, Pretoria, South Africa

Journal of Optoelectronic and Biomedical Materials 2024, 16(4),189-197; https://doi.org/10.15251/JOBM.2024.164.189

Submitted：Jul 16, 2024

Accepted：Oct 22, 2024

Published：Nov 01, 2024

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V. C. Senthilkumar ,N. Bhadusha ,R. Uthrakumar ,K. Kaviyarasu . (2024). Journal of Optoelectronic and Biomedical Materials. Green synthesis of zinc oxide nanoparticles doped Leucas aspera leaf extract and its photocatalytic applications, 16(4), ,189-197. https://doi.org/10.15251/JOBM.2024.164.189

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Abstract

Zinc oxide (ZnO) nanoparticles have been produced from the leaf extract of Leucas aspera by utilising a straight forward co-precipitation technique in a green synthesis strategy. The produced nanoparticles are examined by photocatalytic analysis, FTIR, XRD, UV–visible, and SEM. ZnO-related distinctive peaks were visible in the FTIR spectra. The XRD investigation verifies that the produced nanoparticles have a hexagonal crystal structure.

Doped ZnO utilising leaf extract has surface morphology that is practically spherical in shape and has minimal aggregation, according to SEM analysis. ZnO-LA composite's photocatalytic dye degradation effectiveness against visible light irradiations is approximately 83%.

Keywords

ZnO nanoparticles

Organic dye

UV-Visible

Photocatalytic performance