Journal article Open Access

X-Ray Absorption Spectroscopy of TiO2 Nanoparticles in Water Using a Holey Membrane-Based Flow Cell

Petit, Tristan; Ren, Jian; Choudhury, Sneha; Golnak, Ronny; Lalithambika, Sreeju SN; Tesch, Marc F; Xiao, Jie; Aziz, Emad F


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  <identifier identifierType="URL">https://zenodo.org/record/1116277</identifier>
  <creators>
    <creator>
      <creatorName>Petit, Tristan</creatorName>
      <givenName>Tristan</givenName>
      <familyName>Petit</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6504-072X</nameIdentifier>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Ren, Jian</creatorName>
      <givenName>Jian</givenName>
      <familyName>Ren</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Choudhury, Sneha</creatorName>
      <givenName>Sneha</givenName>
      <familyName>Choudhury</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Golnak, Ronny</creatorName>
      <givenName>Ronny</givenName>
      <familyName>Golnak</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Lalithambika, Sreeju SN</creatorName>
      <givenName>Sreeju SN</givenName>
      <familyName>Lalithambika</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Tesch, Marc F</creatorName>
      <givenName>Marc F</givenName>
      <familyName>Tesch</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Xiao, Jie</creatorName>
      <givenName>Jie</givenName>
      <familyName>Xiao</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
    <creator>
      <creatorName>Aziz, Emad F</creatorName>
      <givenName>Emad F</givenName>
      <familyName>Aziz</familyName>
      <affiliation>Helmholtz Zentrum Berlin für Materialien und Energie</affiliation>
    </creator>
  </creators>
  <titles>
    <title>X-Ray Absorption Spectroscopy of TiO2 Nanoparticles in Water Using a Holey Membrane-Based Flow Cell</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2017</publicationYear>
  <dates>
    <date dateType="Issued">2017-12-08</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1116277</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1002/admi.201770119</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Many applications of TiO2 nanoparticles, such as photocatalytic water splitting&lt;br&gt;
or water remediation, occur in aqueous environment. However, the&lt;br&gt;
impact of solvation on TiO2 electronic structure remains unclear because&lt;br&gt;
only few experimental methods are currently available to probe nanoparticle&amp;ndash;&lt;br&gt;
water interface. Soft X-ray absorption spectroscopy has been extensively&lt;br&gt;
used to characterize the electronic structure of TiO2 materials, but so far&lt;br&gt;
only in vacuum conditions. Here, oxygen K edge and titanium L edge X-ray&lt;br&gt;
absorption spectroscopy characterization of TiO2 nanoparticles measured&lt;br&gt;
directly in aqueous dispersion is presented. For this purpose, a new method&lt;br&gt;
to probe nanomaterials in liquid using a holey membrane-based flow cell is&lt;br&gt;
introduced. With this approach, the X-ray transmission of the membrane is&lt;br&gt;
increased, especially in the water window, compared to solid membranes.&lt;/p&gt;</description>
    <description descriptionType="Other">This project was mainly funded by the Volkswagen Foundation (Freigeist Fellowship No. 89592).</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/665085/">665085</awardNumber>
      <awardTitle>Diamond materials for the photocatalytic conversion of CO2 to fine chemicals and fuels using visible light</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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