1 Ocak 2016 Dergi makalesi Açık Erişim

Urus, Serhan; Caylar, Mahmut; Karteri, Ibrahim

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/55133</identifier>
  <creators>
    <creator>
      <creatorName>Urus, Serhan</creatorName>
      <givenName>Serhan</givenName>
      <familyName>Urus</familyName>
    </creator>
    <creator>
      <creatorName>Caylar, Mahmut</creatorName>
      <givenName>Mahmut</givenName>
      <familyName>Caylar</familyName>
      <affiliation>Kahramanmaras Sutcu Imam Univ, Res &amp; Dev Ctr Univ Ind Publ Relat, TR-46100 Kahramanmaras, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Karteri, Ibrahim</creatorName>
      <givenName>Ibrahim</givenName>
      <familyName>Karteri</familyName>
      <affiliation>Kahramanmaras Sutcu Imam Univ, Fac Elbistan Technol, Dept Energy Syst Engn, TR-46100 Kahramanmaras, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Synthesis Of Graphene Supported Bis(Diphenylphosphinomethyl)Amino Ligands And Their Pd(Ii) And Pt(Ii) Complexes: Highly Efficient And Recoverable Nano-Catalysts On Vitamin K-3 Production</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2016</publicationYear>
  <dates>
    <date dateType="Issued">2016-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/55133</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.cej.2016.08.009</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">Novel graphene oxide (GO) supported bis(diphenylphosphinomethyl)amino [GO@CHONHRN(CH2PPh2)(2)] type ligands and their Pd(II) and Pt(II) complexes have been synthesized and characterized using FT-MIR/FAR, SEM, EDX, TEM, XRD, TGA and UV-Visible techniques. Additionally, GO@CHONHRN(CH2PPh2)(2)MX2 (M: Pd(II) and Pt(II)) type complexes were used as heterogeneous nano-catalysts in vitamin K-3 (2-methyl-1,4-naphthoquinone, menadione) synthesis. Graphene-supported aminomethylphosphine-Pd (II) complexes showed the best catalytic activities with high selectivities compared to the graphene-supported aminomethylphosphine-Pt(II) complexes and the literature. Selectivities and the conversions were around 60-65% with of 95-99% and respectively for the GO@aminomethylphosphine-Pd(II) complexes. The area ratio of D and G peaks of GO sheets was calculated as I-D/I-G = 1.19 using Raman spectra. The average grain size of GO and GO@aminomethylphosphine-Pd(II) complexes are determined as 18.02 nm and 46.06 nm from Scherrer's equation, respectively. The band gap (E-g) values of the GO based aminomethylphosphine-metal complexes are analyzed and enhanced from 3.31 eV to 4.21 eV. (C) 2016 Elsevier B.V. All rights reserved.</description>
  </descriptions>
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