Publikation:

Functionalized Multiwalled CNTs in Classical and Nonclassical CaCO3 Crystallization

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Datum

2019

Autor:innen

Neira-Carrillo, Andrónico
Vásquez-Quitral, Patricio
Sánchez, Marianela
Aguilar-Bolados, Héctor
Yazdani-Pedram, Mehrdad

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-1khqeym4x3l5q8
DOI (zitierfähiger Link)
https://doi.org/10.3390/nano9081169
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CC BY 4.0

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Open Access-Veröffentlichung
Open Access Gold

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Chemie: Publikationen
Core Facility der Universität Konstanz

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Published

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Nanomaterials. 2019, 9(8), 1169. eISSN 2079-4991. Available under: doi: 10.3390/nano9081169

Zusammenfassung

Multiwalled carbon nanotubes (MWCNTs) are interesting high-tech nanomaterials. MWCNTs oxidized and functionalized with itaconic acid and monomethylitaconate were demonstrated to be efficient additives for controlling nucleation of calcium carbonate (CaCO3) via gas diffusion (GD) in classical as well as nonclassical crystallization, yielding aragonite and truncated calcite. For the first time, all amorphous calcium carbonate (ACC) proto-structures, such as proto calcite-ACC, proto vaterite-ACC and proto aragonite-ACC, were synthesized via prenucleation cluster (PNC) intermediates and stabilized at room temperature. The MWCNTs also showed concentration-dependent nucleation promotion and inhibition similar to biomolecules in nature. Incorporation of fluorescein-5-thiosemicarbazide (5-FTSC) dye-labeled MWCNTs into the CaCO3 lattice resulted in fluorescent hybrid nanosized CaCO3. We demonstrate that functionalized MWCNTs offer a good alternative for controlled selective crystallization and for understanding an inorganic mineralization process.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
540 Chemie

Schlagwörter

multiwalled carbon nanotubes; calcium carbonate; gas diffusion crystallization; amorphous calcium carbonate; calcite; vaterite; prenucleation cluster; mineralization

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ISO 690NEIRA-CARRILLO, Andrónico, Patricio VÁSQUEZ-QUITRAL, Marianela SÁNCHEZ, Masoud FARHADI-KHOUZANI, Héctor AGUILAR-BOLADOS, Mehrdad YAZDANI-PEDRAM, Helmut CÖLFEN, 2019. Functionalized Multiwalled CNTs in Classical and Nonclassical CaCO3 Crystallization. In: Nanomaterials. 2019, 9(8), 1169. eISSN 2079-4991. Available under: doi: 10.3390/nano9081169
BibTex
@article{NeiraCarrillo2019-08-15Funct-46983,
  year={2019},
  doi={10.3390/nano9081169},
  title={Functionalized Multiwalled CNTs in Classical and Nonclassical CaCO<sub>3</sub> Crystallization},
  number={8},
  volume={9},
  journal={Nanomaterials},
  author={Neira-Carrillo, Andrónico and Vásquez-Quitral, Patricio and Sánchez, Marianela and Farhadi-Khouzani, Masoud and Aguilar-Bolados, Héctor and Yazdani-Pedram, Mehrdad and Cölfen, Helmut},
  note={Article Number: 1169}
}
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