Microcrystalline composite particles of carbon nanotubes and calcium carbonate.
作者： William E. Ford , Akio Yasuda , Jurina M. Wessels
DOI: 10.1021/LA7026797
关键词: Crystallization 、 Carbon nanotube 、 Particle 、 Precipitation (chemistry) 、 Coprecipitation 、 Chemical engineering 、 Calcium carbonate 、 Calcite 、 Inorganic chemistry 、 Materials science 、 Microcrystalline
摘要: Coprecipitation of urea-melt modified carbon nanotubes and calcium carbonate from an aqueous solution by two methods yielded microcrystalline composite particles. Powders obtained colloidal crystallization a supersaturated that were isolated dried soon after precipitation mixture raspberry-shaped rhombohedral These shown infrared X-ray diffraction analyses to be mainly calcite. Particles kept wet for 1 day or longer before being typically entirely with edge lengths in the range 5−30 μm. Scanning electron microscopy investigations revealed adsorbed on particle surface also incorporated into interior matrix. Removal component treating particles acid nanotube shells whose size shape reflected those original
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