Impact of Transition Metal Doped Bismuth Oxide Nanocomposites on the Bandgap Energy for Photoanode Application


  • Shahbaz Afzal Department of Physics, University of Education Lahore, DG Khan Campus 32200, Pakistan
  • Sidra Tehreem Institute of Physics, Baghdad ul Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
  • Tahir Munir Institute of Physics, Baghdad ul Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
  • Sakhi G. Sarwar Centre of Excellence in Solid-State Physics, University of the Punjab, Lahore, Pakistan
  • Lucky Imosobomeh Ikhioya* Department of Physics and Astronomy, University of Nigeria Nsukka, 410001 Nsukka, Nigeria



doping, bandgap, metal oxide, Bi2O3, Photoanode


Chemical co-precipitation approach has been successfully used to synthesize Bi2O3 and Zn/Bi2O3 nanoparticles. Bi2O3 exhibited a band gap energy of 1.78 eV, and Zn/Bi2O3 at 1 & 5% and band gaps of 1.83 eV & 1.99 eV respectively. The statistics unambiguously demonstrate that adding zinc dopant widens the energy gap. The cubic lattice structure of this crystal is produced by a powerful synergy between the zinc ions and bismuth oxide ions. The peaks showed well-aligned conspicuous diffraction peaks of the material, with crystalline peaks at the (110) plane. The Bi2O3 patterns verified that the cubic crystal structure was successfully formed. With a classified orientation at the (110) plane, the synthesized material showed prominent peaks. The most noticeable peaks, with a strong orientation on the (110) plane, were recorded by the bismuth oxide material that was 1% doped. The FTIR peak at 811 cm-1 indicates association with the Bi-O bond, thus verifying the existence of bismuth oxide. Additionally, the peak at 1394 cm-1 corresponds to the C-H bond. The stretching vibrations of O-H were detected within the range of 3200 to 3445 cm-1. The presence of a peak at 1635 cm-1 indicates the utilization of H2O in the experimental procedure, while vibrations of water molecules are observed in the range of 2311 to 2331 cm-1.


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How to Cite

Afzal, S., Tehreem, S., Munir, T., G. Sarwar, S., & Ikhioya*, L. I. (2023). Impact of Transition Metal Doped Bismuth Oxide Nanocomposites on the Bandgap Energy for Photoanode Application. Journal of Nano and Materials Science Research, 2(1), 104–109.

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