@article{Klinkenberg2020-03Versa-47530,
  year={2020},
  doi={10.1016/j.micromeso.2019.109879},
  title={Versatile surface modification of aerogels by click chemistry as an approach to generate model systems for CO<sub>2</sub> adsorption features in amine-containing organosilica},
  volume={294},
  issn={1387-1811},
  journal={Microporous and Mesoporous Materials},
  author={Klinkenberg, Nele and Klaiber, Alexander and Müller, Magdalena and Polarz, Sebastian},
  note={Article Number: 109879}
}

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    <dc:contributor>Müller, Magdalena</dc:contributor>
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    <dc:creator>Müller, Magdalena</dc:creator>
    <dc:contributor>Klinkenberg, Nele</dc:contributor>
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    <dc:contributor>Klaiber, Alexander</dc:contributor>
    <dcterms:abstract xml:lang="eng">The conversion of waste into valuable products is most appealing in the case of CO&lt;sub&gt;2&lt;/sub&gt;, a molecule which is produced in mass by our society and industries. Because its atmospheric concentration correlates to climate change and the green-house effect, major efforts are on the way to reduce the emission of CO&lt;sub&gt;2&lt;/sub&gt;. One promising strategy is the separation of CO&lt;sub&gt;2&lt;/sub&gt; from the gas-phase (e.g. flue gases) by solid-adsorbents containing amine moieties. The synthesis of tailor-made adsorbents with changing surface properties remains a challenge. This work presents a click chemistry approach that enables the easy modification of organosilica materials with functional groups that can be used as model systems to study the influence of surface chemistry on CO&lt;sub&gt;2&lt;/sub&gt; adsorption. As an example, the modification of the materials with primary amines is discussed in detail but furthermore the approach offers the possibility to tailor the surface properties using any desired functional group. The increased affinity of the used copper catalyst introduced some difficulties but we were able to remove all remains of copper. With this approach, we were able to synthesize materials with different degrees of functionalization up to 80%. This approach for the development of new carbon capture model systems offers high functionalization combined with the flexibility of a post-functionalization approach. Thus, surface chemistry can be tailored to study the influence of surface chemistry on CO&lt;sub&gt;2&lt;/sub&gt; adsorption. As an example for the model character of our materials, we could show that the heat of adsorption can be tuned by systematically varying the degree of amine functionalization.</dcterms:abstract>
    <dcterms:title>Versatile surface modification of aerogels by click chemistry as an approach to generate model systems for CO&lt;sub&gt;2&lt;/sub&gt; adsorption features in amine-containing organosilica</dcterms:title>
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    <dc:creator>Polarz, Sebastian</dc:creator>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2019-11-18T10:48:09Z</dc:date>
    <dc:creator>Klaiber, Alexander</dc:creator>
    <dc:contributor>Polarz, Sebastian</dc:contributor>
    <dc:creator>Klinkenberg, Nele</dc:creator>
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