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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    "doi": "10.1002/admi.201770119", 
    "description": "<p>Many applications of TiO2 nanoparticles, such as photocatalytic water splitting<br>\nor water remediation, occur in aqueous environment. However, the<br>\nimpact of solvation on TiO2 electronic structure remains unclear because<br>\nonly few experimental methods are currently available to probe nanoparticle&ndash;<br>\nwater interface. Soft X-ray absorption spectroscopy has been extensively<br>\nused to characterize the electronic structure of TiO2 materials, but so far<br>\nonly in vacuum conditions. Here, oxygen K edge and titanium L edge X-ray<br>\nabsorption spectroscopy characterization of TiO2 nanoparticles measured<br>\ndirectly in aqueous dispersion is presented. For this purpose, a new method<br>\nto probe nanomaterials in liquid using a holey membrane-based flow cell is<br>\nintroduced. With this approach, the X-ray transmission of the membrane is<br>\nincreased, especially in the water window, compared to solid membranes.</p>", 
    "license": {
      "id": "CC-BY-4.0"
    }, 
    "title": "X-Ray Absorption Spectroscopy of TiO2 Nanoparticles in Water Using a Holey Membrane-Based Flow Cell", 
    "journal": {
      "volume": "4", 
      "issue": "23", 
      "pages": "1700755", 
      "title": "Advanced Materials Interfaces"
    }, 
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        "code": "665085", 
        "links": {
          "self": "https://zenodo.org/api/grants/10.13039/501100000780::665085"
        }, 
        "title": "Diamond materials for the photocatalytic conversion of CO2 to fine chemicals and fuels using visible light", 
        "acronym": "DIACAT", 
        "program": "H2020", 
        "funder": {
          "doi": "10.13039/501100000780", 
          "acronyms": [
            "EC"
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          "name": "European Commission", 
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    ], 
    "publication_date": "2017-12-08", 
    "creators": [
      {
        "orcid": "0000-0002-6504-072X", 
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Petit, Tristan"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Ren, Jian"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Choudhury, Sneha"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Golnak, Ronny"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Lalithambika, Sreeju SN"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Tesch, Marc F"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Xiao, Jie"
      }, 
      {
        "affiliation": "Helmholtz Zentrum Berlin f\u00fcr Materialien und Energie", 
        "name": "Aziz, Emad F"
      }
    ], 
    "notes": "This project was mainly funded by the Volkswagen Foundation (Freigeist Fellowship No. 89592).", 
    "resource_type": {
      "subtype": "article", 
      "type": "publication", 
      "title": "Journal article"
    }
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