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Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates

Ibhadon, Alex O.; Kaur, Amandeep; Ibhadon, Alex; Kansal, Sushil Kumar

Authors

Alex O. Ibhadon

Amandeep Kaur

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Dr Alex Ibhadon A.O.Ibhadon@hull.ac.uk
Reader in Catalysis and Reactor Engineering

Sushil Kumar Kansal



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 showed 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.

Citation

Ibhadon, A. O., Kaur, A., Ibhadon, A., & Kansal, S. K. (2017). Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates. Journal of materials science, 52(9), 5256-5267. https://doi.org/10.1007/s10853-017-0766-6

Acceptance Date Jan 6, 2017
Online Publication Date Jan 16, 2017
Publication Date May 1, 2017
Deposit Date Feb 24, 2017
Publicly Available Date Jan 17, 2018
Journal Journal of materials science
Print ISSN 0022-2461
Electronic ISSN 1573-4803
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 52
Issue 9
Pages 5256-5267
DOI https://doi.org/10.1007/s10853-017-0766-6
Keywords Ag-doped ZnO; Strong adsorption; Ketorolac thromethamine; Solar light; Photocatalysis
Public URL https://hull-repository.worktribe.com/output/448873
Publisher URL http://link.springer.com/article/10.1007/s10853-017-0766-6
Copyright Statement ©2018 University of Hull
Additional Information Authors' accepted manuscript of article published in: Journal of materials science, 2017, v.52 issue 9. The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-017-0766-6

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