1 Ocak 2022 Dergi makalesi Açık Erişim

Celebi, Nuray; Soysal, Furkan; Salimi, Kouroush

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/235810</identifier>
  <creators>
    <creator>
      <creatorName>Celebi, Nuray</creatorName>
      <givenName>Nuray</givenName>
      <familyName>Celebi</familyName>
      <affiliation>Ankara Yildirim Beyazit Univ, Fac Engn &amp; Nat Sci, Dept Energy Syst Engn, TR-06010 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Soysal, Furkan</creatorName>
      <givenName>Furkan</givenName>
      <familyName>Soysal</familyName>
      <affiliation>Ankara Yildirim Beyazit Univ, Fac Engn &amp; Nat Sci, Dept Chem Engn, TR-06010 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Salimi, Kouroush</creatorName>
      <givenName>Kouroush</givenName>
      <familyName>Salimi</familyName>
      <affiliation>Ankara Yildirim Beyazit Univ, Fac Engn &amp; Nat Sci, Dept Chem Engn, TR-06010 Ankara, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Spherical Shape-Defined Hollow Uio-66 Metal-Organic Frameworks With Superior Incident Photon Scattering For Enhanced Photoelectrochemical H-2 Evolution</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2022</publicationYear>
  <dates>
    <date dateType="Issued">2022-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/235810</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.jcis.2021.10.145</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">Herein, spherical hollow N-doped carbon-incorporated UiO-66 metal-organic frameworks (MOF, H-UiO-66) are synthesized using bio-inspired polydopamine (pDA) nanoparticles as multifunctional starting templates. The calculated band properties (E-CB = -0.45 eV and E-VB = 2.05 eV versus normal hydrogen electrode (NHE)) strongly reveals the visible light absorption of H-UiO-66 nanostructures thanks to the spherical shape-defined morphology as well as cavity of the hollow structure. The evaluation of photo-electrochemical (PEC) water splitting performance of H-UiO-66 photoanodes shows maximum photocurrent density as 10.95 mA/cm(2) at 1.53 V versus RHE under LED illumination in which almost no response is recorded at dark. Furthermore, the improved visible-light sensitive PEC water splitting performance of H-UiO-66 photoanodes could be attributed to the main advantages of the one-pot synthesis method of hollow MOFs using multifunctional pDA as follows: i) the hollow morphology provides superior incident photon scattering and multi-reflection of photons inside the MOF cavity; ii) presence of N-doped carbon incorporated morphology facilitates the absorption of water molecules as well as the pi-polar interaction between water and carbon; and iii) the reduced bang-gap led to the optical localization of light within HUiO-66 clusters, suggesting a new generation of heterogeneous well-defined nanostructures for sustainable PEC hydrogen production. (C) 2021 Elsevier Inc. All rights reserved.</description>
  </descriptions>
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