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Journal of Materials Science

, Volume 52, Issue 9, pp 5256–5267 | Cite as

Photocatalytic degradation of ketorolac tromethamine (KTC) using Ag-doped ZnO microplates

  • Amandeep Kaur
  • Alex O. Ibhadon
  • Sushil Kumar KansalEmail author
Original Paper

Abstract

In this study, Ag-doped ZnO microplates were prepared via precipitation technique and further characterized by FESEM, EDS, XRD, FTIR, TGA, XPS, UV-DRS and RT-PL techniques. The outcomes indicated that Ag+ ions were well incorporated into ZnO lattice leading to the absorption of ZnO in visible region as well as effective charge separation. The photocatalytic experiments exhibited that Ag-doped ZnO microplates show higher catalytic activity (91%) than bare ZnO (71%) for the degradation of KTC drug under solar illumination. The photocatalytic degradation of KTC drug over Ag-doped ZnO microplates obeyed pseudo first-order kinetics model. Also, the role of active species was examined by the addition of several scavengers in the photocatalytic degradation system. The results indicated that h+, ·OHs, 1O2 and ·OH were considered as prime reactive species in photocatalytic degradation process.

Keywords

Photocatalytic Activity Photocatalytic Degradation Methyl Orange Degradation Efficiency Solar Light 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgement

The authors greatly acknowledge the TEQIP-II Grant of Dr. S. S. Bhatnagar UICET, Panjab University, Chandigarh, for funding.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Amandeep Kaur
    • 1
  • Alex O. Ibhadon
    • 2
  • Sushil Kumar Kansal
    • 1
    Email author
  1. 1.Dr. S.S. B. University Institute of Chemical Engineering and TechnologyPanjab UniversityChandigarhIndia
  2. 2.Department of Chemical Engineering, School of EngineeringUniversity of HullHullUK

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