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Photocatalytic Activity of Bi-doped TiO2 for Phenol Degradation Under UV and Sunlight Conditions

  • Rahul Singh
  • Vivek Kumar
  • Anoop Verma
  • Amit SobtiEmail author
  • Amrit Pal Toor
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 30)

Abstract

Bi-doped P25 TiO2 nanoparticles were prepared by surface impregnation method using bismuth nitrate as bismuth source. The prepared catalyst was characterized by XRD, SEM-EDS, TEM and UV–Vis DRS techniques. The TEM images showed the agglomerated (particle–particle interaction) spherical-like morphology. The band gap energy of Bi-doped P25 TiO2 nanoparticles was found to be less than undoped P25 TiO2. The photocatalytic activity of the prepared catalyst was examined by the degradation of phenol under UV and sunlight conditions. Bi-doped P25 TiO2 nanoparticles have shown higher photodegradation of phenol than undoped P25 TiO2 under sunlight conditions. The optical response of TiO2 has shifted from UV to visible region after Bi-doping. The parametric study was also carried out to obtain the maximum degradation of phenol. The maximum degradation of phenol was obtained at an optimum catalyst loading of 0.5 g/L, dopant concentration of 1 wt% and calcination temperature of 500 oC.

Keywords

Phenol Bismuth TiO2 Photocatalytic degradation Bi-doped TiO2 UV/sunlight 

Notes

Acknowledgements

The financial support received from DST PURSE grant-II, TEQIP-II and TEQIP-III of Dr. SSB University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh is gratefully acknowledged.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Rahul Singh
    • 1
  • Vivek Kumar
    • 1
  • Anoop Verma
    • 2
  • Amit Sobti
    • 1
    Email author
  • Amrit Pal Toor
    • 1
  1. 1.Dr. SSB University Institute of Chemical Engineering and Technology, Panjab UniversityChandigarhIndia
  2. 2.School of Energy and EnvironmentThapar Institute of Engineering and Technology (Deemed to be University)PatialaIndia

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