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Influence of gadolinium precursor on the enhanced red shift of Gd/SnO2–TiO2 nanoparticles and catalytic activity

  • Muhammad Akhyar Farrukh
  • Maryam Shahid
  • Iqra Muneer
  • Shaghraf Javaid
  • Muhammad Khaleeq-ur-Rahman
Article

Abstract

Gd/SnO2–TiO2 nanoparticles were synthesized by using ultrasonic and hydrothermal methods. Effect of concentration of gadolinium (Gd) precursor on particle size and activity of nanoparticles was studied. It was observed that the particle size increases with the increase in concentration of gadolinium precursor. Gd/SnO2–TiO2 nanoparticles were characterized by TEM, SEM, EDX, TGA, FTIR and powder XRD. Band gap calculation was done by using Solid Phase Spectrophotometer to determine the optical properties of nanoparticles. The effect of concentration of Gd on band gap was investigated and red shift was observed for Gd/SnO2–TiO2 from 5.3 to 2.0 eV. Photocatalytic degradation of Methylene Blue was carried out to determine the catalytic properties of Gd/SnO2–TiO2. It was found that Gd/SnO2–TiO2 nanoparticles prepared with 0.004 M concentration of Gd precursor degraded the dye more effectively as compared to the samples prepared with 0.005 and 0.006 M concentrations of Gd.

Keywords

TiO2 SnO2 Photocatalytic Activity Methylene Blue TiO2 Nanoparticles 
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

Acknowledgments

This work was supported by The Word Academy of Sciences (TWAS) through Research Grant 11-028 RG/MSN/AS_C and Higher Education Commission (HEC) Pakistan under Grant Number 20-2660/NRPU/R&D/HEC/13.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Muhammad Akhyar Farrukh
    • 1
  • Maryam Shahid
    • 1
  • Iqra Muneer
    • 1
  • Shaghraf Javaid
    • 1
  • Muhammad Khaleeq-ur-Rahman
    • 2
  1. 1.Nano-Chemistry LaboratoryGC University LahoreLahorePakistan
  2. 2.Center of Excellence in Solid State PhysicsUniversity of the PunjabLahorePakistan

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