10.57647/ijc.2026.1602.19

Preparation and Characterization of Visible-Light-driven Sm-doped Bi2MoO6 Photocatalyst Used for Enhanced Degradation of Rhodamine

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  • Anukorn Phuruangrat*1,
  • Yothin Chimupala2,
  • Budsabong Kuntalue3,
  • Titipun Thongtem4,5,
  • Somchai Thongtem6,
  1. Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
  2. Department of Industrial Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
  3. Advanced Scientific Instruments Unit (ASci Unit), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
  4. Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
  5. Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
  6. Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand

Received: 2025-11-26

Revised: 2026-01-11

Accepted: 2026-02-01

Published in Issue 2026-06-30

Published Online: 2026-05-11

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Chimupala, Y., Kuntalue, B., Thongtem, T., & Thongtem, S. (2026). Preparation and Characterization of Visible-Light-driven Sm-doped Bi2MoO6 Photocatalyst Used for Enhanced Degradation of Rhodamine. Iranian Journal of Catalysis, 16(2). https://doi.org/10.57647/ijc.2026.1602.19
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Abstract

Bi2MoO6 samples containing different weight contents of Sm dopant as the visible-light-driven photocatalyst were successfully synthesized by hydrothermal method. All of them were certified as orthorhombic Bi2MoO6 nanoplates. The visible-light absorption range of Bi2MoO6 was increased by increasing in the Sm dopant. Different weight contents of Sm dopant containing in Bi2MoO6 were studied through the degradation of rhodamine B (RhB) under visible light irradiation. The photocatalytic efficiency of 1% Sm doped-Bi2MoO6 nanoplates was the highest of 96.27% or 3.91 times of Bi2MoO6 (24.65%) by increasing specific surface area, visible light harvest and separation of charge carriers.

Highlights 

  • Visible-light-driven Sm-doped Bi2MoO6 photocatalysts were synthesized by hydrothermal method.
  • Pure phase of Sm-doped Bi2MoO6 nanoplates was produced in this research.
  • The photocatalytic reaction of samples was tested by rhidamine B (RhB) degradation under visible light irradiation.
  • 1% Sm-doped Bi2MoO6 showed the highest photocatalytic performance in this research.

Keywords

  • Active radicals,
  • Photocatalysis,
  • Photocatalytic mechanism,
  • Sm-doped Bi2MoO6
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