Laser-assisted deposition of Ag on self-sourced growth ZnO nanorods as reusable photocatalysts for water purification

Nurfina Yudasari, I. Kadek Hariscandra Dinata, Cameron J. Shearer, Paula H. Blanco-Sanchez, Wildan P. Tresna, Isnaeni, Maria M. Suliyanti, Herri Trilaksana

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6 Citations (Scopus)


ZnO nanorods - Ag (ZnO NRs-Ag) have been fabricated using a simple and environment-friendly hydrothermal technique by immersing the zinc (Zn) metal foils in pure water under 95 °C hydrothermal condition followed by depositing Ag using a laser ablation technique. The formation of ZnO NRs-Ag is confirmed via XRD, FESEM analysis, and optical spectroscopy. The concentration of Ag can be controlled by varying the Ag deposition time, with 0.3 % obtained for 1 min ablation and 1.7 % for 5 min ablation. ZnO NRs-Ag have been tested for photocatalytic activity for Rhodamine 6G (R6G) degradation under UV AB tube luminescent (TL) lamps. The ZnO NRs-Ag with 5 min Ag PLD duration can achieve the best photocatalytic activity during 120 min of UV AB irradiation, with R6G degraded amount of 86 %. During three cycles of photocatalytic testing, all samples have shown 13–25 % decrease in R6G degradation, indicating that they are stable and reusable. Further, the degradation kinetics constant (kapp) is also determined using Langmuir-Hinshelwood (L-H) model with for all samples.

Original languageEnglish
Article number110065
JournalInorganic Chemistry Communication
Publication statusPublished - Dec 2022


  • Green technology
  • Hydrothermal
  • Photocatalysts
  • Pulsed laser deposition
  • ZnO - Ag
  • rhodamine 6G


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