Templated CaCO3 Crystallization by Submicrometer and Nanosized Fibers

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NEIRA-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. 32(35), pp. 8951-8959. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/acs.langmuir.6b02536

@article{NeiraCarrillo2016-08-23Templ-35310, title={Templated CaCO3 Crystallization by Submicrometer and Nanosized Fibers}, year={2016}, doi={10.1021/acs.langmuir.6b02536}, 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} }

Neira-Carrillo, Andrónico Cölfen, Helmut Acevedo, Diego Fernando eng Cölfen, Helmut Barbero, Cesar Alfredo Gentsch, Rafael Gentsch, Rafael Templated CaCO<sub>3</sub> Crystallization by Submicrometer and Nanosized Fibers 2016-09-15T13:36:54Z Neira-Carrillo, Andrónico Acevedo, Diego Fernando Börner, Hans G. Börner, Hans G. 2016-09-15T13:36:54Z Barbero, Cesar Alfredo 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<sub>3</sub>. Herein, we describe the proportion and incorporation method of submicrometer-sized plasma-treated PCL meshes over areas >1 mm<sup>2</sup> with CaCO<sub>3</sub> 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<sub>3</sub>, indicating that fibers can undergo changes depending on sulfonate or carboxylate groups, adopt different orientations in solution, and thereby elicit changes in CaCO<sub>3</sub> 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. 2016-08-23

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