1 Ocak 2019 Dergi makalesi Açık Erişim

Khodabakhsh, Mohammadreza; Unal, Ugur

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/70433</identifier>
  <creators>
    <creator>
      <creatorName>Khodabakhsh, Mohammadreza</creatorName>
      <givenName>Mohammadreza</givenName>
      <familyName>Khodabakhsh</familyName>
      <affiliation>Koc Univ, Chem Dept, Surface Sci &amp; Technol Ctr KUYTAM, TR-34450 Istanbul, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Unal, Ugur</creatorName>
      <givenName>Ugur</givenName>
      <familyName>Unal</familyName>
    </creator>
  </creators>
  <titles>
    <title>Er Doped Layered Perovskites With Dual Mode Luminescent Behavior And Tunable Multicolor Upconversion Emission</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2019</publicationYear>
  <dates>
    <date dateType="Issued">2019-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/70433</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1088/2050-6120/aaf75f</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Er3+ doped BST nanoparticles with Aurivillius layered structure are synthesized through common solid-state method. Photoluminescence spectroscopy has shown that these oxides are capable of emitting light under UV (366 nm) and IR (980 nm) source. The effect of Er3+ to Yb3+ concentration ratio on upconversion emission are investigated and possible upconversion and energy transfer mechanisms are suggested based on the number of photons participating in UC process. Shift in the upconversion emission from green to red region is visualized by CIE chromaticity diagram. The superiority of coexistence of stoke and anti-stoke emission in a single host lattice with a single activator ion, besides to tunability of UC luminescence only by controlling sensitizer/activator ratio are very interesting features which can be used to produce dual mode multicolor luminescent ink with high security level against forgery.</description>
  </descriptions>
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