The Surface Structure of Manganese Cation and MnTMPyP Intercalated Potassium Niobate

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<jats:title>Abstract</jats:title><jats:p>K<jats:sub>4</jats:sub>Nb<jats:sub>6</jats:sub>O<jats:sub>17</jats:sub>3H<jats:sub>2</jats:sub>O has a cation exchange ability in K<jats:sup>+</jats:sup> ion existing in the interlayer and a property of photocatalyst host. As a preliminary step in the preparation of this catalyst, the cation exchange plays an important role. In this study, we prepared potassium niobate intercalated with Wn<jats:sup>2+</jats:sup> and Mn(III)TMPyP<jats:sup>7+</jats:sup> (Mn(III)5,10,15,20-tetra(4-pyridyl)-porphyrin) ions and observed the evidence of cation exchange in the interlayer by means of atomic force microscopy. AFM images showed that the Mn<jats:sup>2+</jats:sup> ion and MnTMPy<jats:sup>7+</jats:sup> cations regularly occupied the potassium sites. This indicates that the metallic oxide reduction center was formed in the interlayer by the cation exchanged species prior to redox treatment and not on the surface of the potassium niobate.</jats:p>

収録刊行物

  • MRS Proceedings

    MRS Proceedings 549 1998-01-01

    Springer Science and Business Media LLC

詳細情報 詳細情報について

  • CRID
    1872553967682743168
  • DOI
    10.1557/proc-549-137
  • ISSN
    19464274
    02729172
  • データソース種別
    • OpenAIRE

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