Crystal Growth & Design · 2008 · 156 citations · 82 references
Natural SciencesMaterials EngineeringMaterials ScienceMaterials ChemistryNanomaterialsNanotechnologyInorganic NanoparticlesMetal Oxide NanomaterialsNanomaterials SynthesisNanoparticle SynthesisNanoporous MaterialsPorous MaterialsCobalt Oxide NanomaterialsCobalt OxidesHydrothermal SynthesisHydrothermal Synthesis Of Metal Oxide NanomaterialsMetal Oxide Nanoparticle SynthesisMetal Oxide Nanoparticles SynthesisPrecursor MaterialsShape Control
Shape-controlled synthesis of CoCO 3 crystals has been achieved by a hydrothermal process in a mixed solvent of water and ethanol (or glycerol). Uniform CoCO 3 crystals with novel structures can be fabricated by tuning the volume ratio of water and ethanol (or glycerol). The results demonstrated that the as-prepared CoCO 3 crystal can act as an efficient precursor for production of nanoporous Co 3 O 4 particles with pore sizes of 2.5 and 60 nm by calcination at 500 °C. The nanoporous Co 3 O 4 particles show sensitive response and reversibility in sensing performance.
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