Controlled growth of calcium carbonate by poly(ethylenimine) at the air/water interface |
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| Authors: | Kun Park Hyoung Lee Inhyung Kim Kwan |
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| Institution: | Laboratory of Intelligent Interfaces, School of Chemistry and Molecular Engineering and Center for Molecular Catalysis, Seoul National University, Seoul 151-472, Korea. |
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| Abstract: | Two metastable calcium carbonate polymorphs, hemispherical vaterite and needle-like aragonite, are selectively formed at the air/water interface by the mediation of poly(ethyleneimine)(with molecular weights of 25000 and 2000, respectively) dissolved in supersaturated calcium bicarbonate solution. |
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