Fabrication of hierarchical CaCO3 mesoporous spheres : particle-mediated self-organization induced by biphase interfaces and SAMs

Highly ordered hierarchical calcium carbonate is an important phase involved in calcification by a wide variety of invertebrate organisms, and its formation is of technological interest in the development of functional materials. In this article, porous CaCO(3) hierarchical microspheres with a hedge...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 8 vom: 20. Apr., Seite 5882-8
1. Verfasser: Liang, Xiaohong (VerfasserIn)
Weitere Verfasser: Xiang, Junhui, Zhang, Fushi, Xing, Li, Song, Bo, Chen, Shiwei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Polyethylene Terephthalates Polyethylene Glycols 3WJQ0SDW1A Calcium Carbonate H0G9379FGK
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520 |a Highly ordered hierarchical calcium carbonate is an important phase involved in calcification by a wide variety of invertebrate organisms, and its formation is of technological interest in the development of functional materials. In this article, porous CaCO(3) hierarchical microspheres with a hedgehoglike appearance have been fabricated on the flexible substrate under mild conditions. There are two points that play important roles in the regular organization of the terminal products: one is the biphase interfaces, which are generated by organic solvent n-hexane and an aqueous saturated solution of Ca(OH)(2), and the other is hydroxyl-terminated monolayers assembled on the flexible PET (poly(ethylene terephthalate)) substrate. The SEM images show that novel CaCO(3) hierarchical microspheres consist of densely stacked "shuttles" by the oriented self-organization of CaCO(3) nanoparticles. The IR and XRD spectra indicate that the as-synthesized products are composed of a calcite phase obtained by an ACC (amorphous calcium carbonate)-to-calcite transformation. In view of the results, a nanoparticle-mediated self-organization process induced by biphase interfaces and SAMs template is proposed for the integration of functional materials and nanodevices 
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650 7 |a Polyethylene Glycols  |2 NLM 
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650 7 |a Calcium Carbonate  |2 NLM 
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700 1 |a Xiang, Junhui  |e verfasserin  |4 aut 
700 1 |a Zhang, Fushi  |e verfasserin  |4 aut 
700 1 |a Xing, Li  |e verfasserin  |4 aut 
700 1 |a Song, Bo  |e verfasserin  |4 aut 
700 1 |a Chen, Shiwei  |e verfasserin  |4 aut 
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