A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate

Ina Rianasari, Farah Benyettou, Sudhir Kumar Sharma, Thomas Blanton, Serdal Kirmizialtin, Ramesh Jagannathan

    Research output: Contribution to journalArticle

    Abstract

    Inspired by the discovery of graphene and its unique properties, we focused our research to develop a scheme to create nacre like lamellar structures of molecular sheets of CaCO3 interleaved with an organic material, namely carbon. We developed a facile, chemical template technique, using a formulation of poly(acrylic) acid (PAA) and calcium acetate to create lamellar stacks of single crystal sheets of CaCO3, with a nominal thickness of 17 Å, the same as a unit-cell dimension for calcite (c-axis = 17.062 Å), interleaved with amorphous carbon with a nominal thickness of 8 Å. The strong binding affinity between carboxylate anions and calcium cations in the formulation was used as a molecular template to guide CaCO3 crystallization. Computational modeling of the FTIR spectra showed good agreement with experimental data and confirmed that calcium ions are bridged between polymer chains, resulting in a net-like polymer structure. The process readily lends itself to explore the feasibility of creating molecular sheets of other important inorganic materials and potentially find applications in many fields such as super capacitors and "low k di-electric" systems.

    Original languageEnglish (US)
    Article number25393
    JournalScientific Reports
    Volume6
    DOIs
    StatePublished - May 5 2016

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    calcium acetate
    Calcium Carbonate
    carbopol 940
    Nacre
    Polymers
    Calcium
    Lamellar structures
    Graphite
    Amorphous carbon
    Crystallization
    Anions
    Cations
    Capacitors
    Carbon
    Single crystals
    Ions

    ASJC Scopus subject areas

    • General

    Cite this

    Rianasari, I., Benyettou, F., Sharma, S. K., Blanton, T., Kirmizialtin, S., & Jagannathan, R. (2016). A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate. Scientific Reports, 6, [25393]. https://doi.org/10.1038/srep25393

    A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate. / Rianasari, Ina; Benyettou, Farah; Sharma, Sudhir Kumar; Blanton, Thomas; Kirmizialtin, Serdal; Jagannathan, Ramesh.

    In: Scientific Reports, Vol. 6, 25393, 05.05.2016.

    Research output: Contribution to journalArticle

    Rianasari, I, Benyettou, F, Sharma, SK, Blanton, T, Kirmizialtin, S & Jagannathan, R 2016, 'A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate', Scientific Reports, vol. 6, 25393. https://doi.org/10.1038/srep25393
    Rianasari I, Benyettou F, Sharma SK, Blanton T, Kirmizialtin S, Jagannathan R. A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate. Scientific Reports. 2016 May 5;6. 25393. https://doi.org/10.1038/srep25393
    Rianasari, Ina ; Benyettou, Farah ; Sharma, Sudhir Kumar ; Blanton, Thomas ; Kirmizialtin, Serdal ; Jagannathan, Ramesh. / A Chemical Template for Synthesis of Molecular Sheets of Calcium Carbonate. In: Scientific Reports. 2016 ; Vol. 6.
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