Publikation: Polymer-Controlled Morphosynthesis and Mineralization of Metal Carbonate Superstructures
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Different morphosynthesis strategies for various metal carbonate minerals such as CaCO3, BaCO3, CdCO3, MnCO3, and PbCO3 using double hydrophilic block copolymers (DHBCs) as crystal modifiers are presented. The influence of the DHBCs with different functionalities such as carboxyl, partially phosphonated, and phosphorylated groups on the crystallization and structure formation was investigated. Well-defined crystals with size range from mesoscale to microscale can be easily obtained. More complex higher-order superstructures such as hollow spheres and big spherules with controlled surface structures can also be assembled conveniently. The results show that polymer-controlled mineralization is a versatile tool toward crystal morphogenesis. A time-dependent self-assembly and growth of "sphere-to-rod-to-dumbbell-to-sphere" structures was observed in the case of BaCO3 under the control of DHBCs, adding to the already reported examples of CaCO3 and fluoroapatite. In addition, we found that the influence of the DHBCs while increasing the ionic strength was lost in case of CaCO3, implying that the strong selective interaction between the functional groups of DHBCs and crystals has electrostatic contributions.
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YU, Shu-Hong, Helmut CÖLFEN, Markus ANTONIETTI, 2003. Polymer-Controlled Morphosynthesis and Mineralization of Metal Carbonate Superstructures. In: The Journal of Physical Chemistry B. 2003, 107(30), pp. 7396-7405. ISSN 1520-6106. eISSN 1520-5207. Available under: doi: 10.1021/jp034009+BibTex
@article{Yu2003-07Polym-40455, year={2003}, doi={10.1021/jp034009+}, title={Polymer-Controlled Morphosynthesis and Mineralization of Metal Carbonate Superstructures}, number={30}, volume={107}, issn={1520-6106}, journal={The Journal of Physical Chemistry B}, pages={7396--7405}, author={Yu, Shu-Hong and Cölfen, Helmut and Antonietti, Markus} }
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