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UV assisted photoelectrocatalytic degradation of reactive red 152 dye using spray deposited TiO2 thin films

Article

Abstract

TiO2 thin films have been deposited onto glass and FTO coated glass substrates using spray pyrolysis method. The effect of substrate temperature on the structural, morphological and photoelectrocatalytic properties of TiO2 thin films are studied. The photoelectrochemical (PEC) study shows that, both short circuit current (Isc) and open circuit voltage (Voc) are (Isc = 0.475 mA and Voc = 0.395 V) relatively higher at 400 °C substrate temperature. The structure and morphology of TiO2 thin films are studied by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM). XRD study reveals that the films are polycrystalline in nature with tetragonal crystal structure. FE-SEM images show that the substrate surface is well covered with a uniform grain like morphology. Photoelectrocatalytic degradation of reactive red 152 dye in aqueous solutions is studied. The end result shows that the degradation percentage of reactive red 152 using TiO2 photoelectrode has reached 70% under ultraviolet light illumination after 120 min.

Notes

Acknowledgements

The authors are very much thankful to Science and Engineering Research Board (SERB), New Delhi, for the financial support through the research project no. PDF/2017/001419 and Dr. Y. M. Hunge is thankful to Science and Engineering Research Board (SERB), New Delhi, for the financial support and awarding National Postdoctoral Fellowship (N-PDF) award F. No. PDF/2017/000691.

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of Nanotechnology, Walchand Centre for Research in Nanotechnology and BionanotechnologyWalchand College of Arts & ScienceSolapurIndia
  2. 2.Department of PhysicsSavitribai Phule Pune UniversityPuneIndia
  3. 3.Department of ChemistryGulbarga UniversityKalaburagiIndia

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