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A Novel Pathway for Synthesis of Submicrometer-Size Solid Core/Mesoporous Shell Silica Spheres
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1998
Year
NanoparticlesSubmicrometer-size Silica ParticlesEngineeringNanoporous MaterialNovel PathwayChemistryNanostructured MaterialsSol-gel SynthesisChemical EngineeringNanoscale ChemistryNanostructure SynthesisThermal StabilityMaterials ScienceMolecular SieveNanotechnologyAdvanced Materials ScienceNanomaterialsMicrofabricationColloidal Systems
The synthesis of tailored nanoparticles—non-porous and porous—is a major challenge in advanced materials science. The authors here report the synthesis of submicrometer-size silica particles with a solid core and a thin porous shell (see Figure). The thermal stability and the high specific surface area make these silica beads suitable as adsorbents for various applications in chromatography.