Journal
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
Volume 43, Issue 9, Pages 1103-1106Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15533174.2012.756022
Keywords
biomineralization; calcium carbonate; interface; hexamethylenetetramine; mesocrystal
Funding
- National Science Foundation of China [20871001]
- Anhui Provincial Education Department [KJ2011Z235]
- Anhui Provincial Natural Science Foundation [10040606Q58]
- Talent Fund for Outstanding Youth of Anhui Provincial Universities [2011SQRL141, 2011SQRL142]
- Huangshan University [2008xkjq018, 2010xkjq001, 2010xdkj067]
- Post-Doctoral Project of Huangshan NOVEL Co., Ltd.
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The authors studied the synthesis of calcium carbonate (CaCO3) in hexamethylenetetramine (HMT) aqueous solution using diethyl carbonate as CO2 supplier. Scanning electron microscopy and X-ray powder diffractometry were used to characterize the products. The results showed that calcite crystals with rough surface were formed in solution, while calcite polyhedrons and flowers were formed at the air/solution interface. The FTIR results indicated a strong interaction between HMT molecules and Ca2+ ions. The possible formation mechanism of the CaCO3 crystals obtained in the solution and at the interface was discussed, which could be explained by mesocrystal assembly.
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