Templated CaCO3 Crystallization by Submicrometer and Nanosized Fibers

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2016
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Neira-Carrillo, Andrónico
Gentsch, Rafael
Börner, Hans G.
Acevedo, Diego Fernando
Barbero, Cesar Alfredo
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Langmuir. 2016, 32(35), pp. 8951-8959. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/acs.langmuir.6b02536
Zusammenfassung

Electrospun submicrometer-sized poly(ε-caprolactone) (PCL) meshes and nanosized multiwalled carbon nanotubes (MWCNTs) were used as a template for preparing porous and interconnected inorganic-organic hybrid materials composed of CaCO3. Herein, we describe the proportion and incorporation method of submicrometer-sized plasma-treated PCL meshes over areas >1 mm2 with CaCO3 using three crystallization methods including the use of poly(acrylic acid) (PAA). We found that flexible and rigid acid-functionalized MWCNTs showed a clear capacity and effects to penetrate calcite particles. MWCNTs interacted differently with the individual growth planes of CaCO3, indicating that fibers can undergo changes depending on sulfonate or carboxylate groups, adopt different orientations in solution, and thereby elicit changes in CaCO3 morphology. In summary, the use of PCL and acidic MWCNT fibers as an additive for substrate templates and experimental crystallization provides a viable approach for studying various aspects of biomineralization, including the production of controlled particles, control of porosities, and defined morphologies at microscale and nanoscale levels.

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ISO 690NEIRA-CARRILLO, Andrónico, Rafael GENTSCH, Hans G. BÖRNER, Diego Fernando ACEVEDO, Cesar Alfredo BARBERO, Helmut CÖLFEN, 2016. Templated CaCO3 Crystallization by Submicrometer and Nanosized Fibers. In: Langmuir. 2016, 32(35), pp. 8951-8959. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/acs.langmuir.6b02536
BibTex
@article{NeiraCarrillo2016-08-23Templ-35310,
  year={2016},
  doi={10.1021/acs.langmuir.6b02536},
  title={Templated CaCO<sub>3</sub> Crystallization by Submicrometer and Nanosized Fibers},
  number={35},
  volume={32},
  issn={0743-7463},
  journal={Langmuir},
  pages={8951--8959},
  author={Neira-Carrillo, Andrónico and Gentsch, Rafael and Börner, Hans G. and Acevedo, Diego Fernando and Barbero, Cesar Alfredo and Cölfen, Helmut}
}
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    <dcterms:abstract xml:lang="eng">Electrospun submicrometer-sized poly(ε-caprolactone) (PCL) meshes and nanosized multiwalled carbon nanotubes (MWCNTs) were used as a template for preparing porous and interconnected inorganic-organic hybrid materials composed of CaCO&lt;sub&gt;3&lt;/sub&gt;. Herein, we describe the proportion and incorporation method of submicrometer-sized plasma-treated PCL meshes over areas &gt;1 mm&lt;sup&gt;2&lt;/sup&gt; with CaCO&lt;sub&gt;3&lt;/sub&gt; using three crystallization methods including the use of poly(acrylic acid) (PAA). We found that flexible and rigid acid-functionalized MWCNTs showed a clear capacity and effects to penetrate calcite particles. MWCNTs interacted differently with the individual growth planes of CaCO&lt;sub&gt;3&lt;/sub&gt;, indicating that fibers can undergo changes depending on sulfonate or carboxylate groups, adopt different orientations in solution, and thereby elicit changes in CaCO&lt;sub&gt;3&lt;/sub&gt; morphology. In summary, the use of PCL and acidic MWCNT fibers as an additive for substrate templates and experimental crystallization provides a viable approach for studying various aspects of biomineralization, including the production of controlled particles, control of porosities, and defined morphologies at microscale and nanoscale levels.</dcterms:abstract>
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