Structure of Flame-Made Silica Nanoparticles by Ultra-Small-Angle X-ray Scattering

  title={Structure of Flame-Made Silica Nanoparticles by Ultra-Small-Angle X-ray Scattering},
  author={Hendrik K. Kammler and Gregory Beaucage and Roger Mueller and Sotiris E Pratsinis}
Ultra-small-angle X-ray scattering (USAXS) of agglomerated and nonagglomerated flame-made silica nanoparticles is investigated systematically for ubiquitous characterization of particle size and degree of agglomeration. Primary particle diameters determined from the USAXS particle volume to surface ratio were compared to those obtained from nitrogen adsorption (Brunauer-Emmett-Teller (BET)) measurements. Independent of the silica precursor state (vapor or liquid), production rate (5-1100 g/h… CONTINUE READING
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