Photocatalytic activities of various pentavalent bismuthates under visible light irradiation

Takahiro Takei, Rie Haramoto, Qiang Dong, Nobuhiro Kumada, Yoshinori Yonesaki, Nobukazu Kinomura, Takayuki Mano, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

Research output: Contribution to journalArticlepeer-review

94 Citations (Scopus)


LiBiO3, NaBiO3, MgBi2O6, KBiO3, ZnBi2O6, SrBi2O6, AgBiO3, BaBi2O6 and PbBi2O 6 were synthesized by various processes such as hydrothermal treatment, heating and so on. These materials were examined for their photocatalytic activities in the decolorization of methylene blue and decomposition of phenol under visible light irradiation. For methylene blue decolorization, the presence of KBiO3 resulted in complete decoloration within 5 min. For phenol decomposition, NaBiO3 showed the highest activity, while LiBiO3, SrBi2O6 and BaBi2O6 possessed almost comparable decomposition rates. Their decomposition rates were apparently higher than that by anatase (P25) under UV irradiation.

Original languageEnglish
Pages (from-to)2017-2022
Number of pages6
JournalJournal of Solid State Chemistry
Issue number8
Publication statusPublished - Aug 1 2011


  • Electronic structure
  • Pentavalent bismuthate
  • Phenol
  • Visible light-sensitive photocatalyst

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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