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Heterostructured Calcium Carbonate Microspheres with Calcite Equatorial Loops and Vaterite Spherical Cores

Authors

  • Sha-Sha Wang,

    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (China)
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  • Andreas Picker,

    1. Physical Chemistry, University of Konstanz, Universitätsstrasse 10, Box 714, 78457 Konstanz (Germany)
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  • Prof. Dr. Helmut Cölfen,

    Corresponding author
    1. Physical Chemistry, University of Konstanz, Universitätsstrasse 10, Box 714, 78457 Konstanz (Germany)
    • Helmut Cölfen, Physical Chemistry, University of Konstanz, Universitätsstrasse 10, Box 714, 78457 Konstanz (Germany)

      An-Wu Xu, Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (China)

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  • Prof. Dr. An-Wu Xu

    Corresponding author
    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (China)
    • Helmut Cölfen, Physical Chemistry, University of Konstanz, Universitätsstrasse 10, Box 714, 78457 Konstanz (Germany)

      An-Wu Xu, Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026 (China)

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  • We acknowledge support from the National Basic Research Program of China (2010CB934700, 2011CB933700) and the National Natural Science Foundation of China (21271165).

Abstract

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It takes two different functional additives to produce the title structures. The proposed mechanism based on the nonclassical particle-mediated crystallization of calcium carbonate demonstrates the individual and cooperative effects of the polymer poly(sodium 4-styrenesulfonate) and small folic acid molecules on the formation of heterostructures at different reaction stages.

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