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Peer-reviewedCC BYScientific Reports

Reusable biogenic fabrication and structural analysis of Phyllanthus acidus-derived ZnO nanoparticles: Photocatalytic degradation of methylene blue dye and its biological applications

  • V.C. Deivayanai1
  • Saravanan Sekaran1
  • R.V. Hemavathy2
  • Thirumalai Nallasivan Parthasarathy3
  • Muthiah Shanmugavel4
  • Ashish Agrawal5
5 affiliations
  1. 1Saveetha institute of Basic medical sciences (SIBMS) Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602105, Tamil Nadu, India
  2. 2Department of Biotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology (SRMIST), Ramapuram, 600089, India
  3. 3Department of Mathematics, Rajalakshmi Institute of Technology, Chennai, India
  4. 4Department of Microbiology, CSIR- Central Leather Research Institute, Adyar, Chennai, Tamil Nadu, 600 020, India. [email protected]
  5. 5Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India. [email protected]
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Abstract

The Phyllanthus acidus leaf extract was used as a bioreducing/capping agent for the green and cost-effective synthesis of zinc oxide nanoparticles (ZnONPs). The nanoparticles are formed via phytochemical reduction of zinc ions. Characterisation of the ZnONPs using UV-Vis (λmax ≈ 344 nm), FTIR, FE-SEM, EDX, XRD, DLS, zeta potential and DSC analysis confirmed their crystalline nature, polydisperse size distribution and high thermal stability (endothermic peak at 255 °C). The nanoparticles, under natural sunlight, showed effective photocatalytic activity, with 99.8% degradation of Methylene Blue in 70 min following pseudo-first-order kinetics. The ZnONPs demonstrated excellent catalytic stability and reusability. These results demonstrate the potential for using P. acidus-derived ZnONPs for eco-friendly water purification and remediation, contributing to SDG 6 and SDG 12.

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Cite

BibTeXRIS
BibTeX
@article{deivayanai2026reusable,
  title = {{Reusable biogenic fabrication and structural analysis of Phyllanthus acidus-derived ZnO nanoparticles: Photocatalytic degradation of methylene blue dye and its biological applications}},
  author = {V.C. Deivayanai and Saravanan Sekaran and R.V. Hemavathy and Thirumalai Nallasivan Parthasarathy and Muthiah Shanmugavel and Ashish Agrawal},
  journal = {Scientific Reports},
  year = {2026},
  month = may,
  doi = {10.1038/s41598-026-52466-y},
  url = {https://doi.org/10.1038/s41598-026-52466-y},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Reusable biogenic fabrication and structural analysis of Phyllanthus acidus-derived ZnO nanoparticles: Photocatalytic degradation of methylene blue dye and its biological applications
AU  - V.C. Deivayanai
AU  - Saravanan Sekaran
AU  - R.V. Hemavathy
AU  - Thirumalai Nallasivan Parthasarathy
AU  - Muthiah Shanmugavel
AU  - Ashish Agrawal
PY  - 2026
DA  - 2026/05/12
JO  - Scientific Reports
DO  - 10.1038/s41598-026-52466-y
UR  - https://doi.org/10.1038/s41598-026-52466-y
AB  - The Phyllanthus acidus leaf extract was used as a bioreducing/capping agent for the green and cost-effective synthesis of zinc oxide nanoparticles (ZnONPs). The nanoparticles are formed via phytochemical reduction of zinc ions. Characterisation of the ZnONPs using UV-Vis (λmax ≈ 344 nm), FTIR, FE-SEM, EDX, XRD, DLS, zeta potential and DSC analysis confirmed their crystalline nature, polydisperse size distribution and high thermal stability (endothermic peak at 255 °C). The nanoparticles, under natural sunlight, showed effective photocatalytic activity, with 99.8% degradation of Methylene Blue in 70 min following pseudo-first-order kinetics. The ZnONPs demonstrated excellent catalytic stability and reusability. These results demonstrate the potential for using P. acidus-derived ZnONPs for eco-friendly water purification and remediation, contributing to SDG 6 and SDG 12.
SN  - 2045-2322
ER  -