Sökning: "ES-SMPS"

Hittade 2 avhandlingar innehållade ordet ES-SMPS.

1. 1. Hydrolytic Synthesis and Physicochemical Properties of TiO2 Nanoparticles: Fundamentals and Applications

   Författare :Jenny Perez-Holmberg; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Titanium dioxide TiO2 ; Nanoparticles; Synthesis; Hydrolysis; Titanium tetrachloride TiCl4 ; Anatase; Brookite; DLS; ES-SMPS; XRD; Collective diffusion; Interfacial processes;

   Sammanfattning : Titanium dioxide (TiO2) nanoparticles were synthesized via the hydrolysis of TiCl4 in order to produce clean, surfactant-free oxide surfaces. By controlling the synthesis and aging conditions, stable particles with well-defined size distributions were obtained. LÄS MER

3. 2. On the Electrolyte Induced Aggregation of Concentrated Silica Dispersions - An Experimental Investigation Using the Electrospray Technique

   Författare :Ann-Catrin J. H. Johnsson; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Colloidal silica dispersion; aggregation; gelation; electrospray ES ; scanning mobility particle sizer SMPS ; synchrotron radiation small-angle x-ray scattering SR-SAXS ; electron microscopy EM ; dynamic light scattering DLS ; particle morphology; ion specificity; gel layer;

   Sammanfattning : Gels are weak, solid-like structures that arise when colloidal particles aggregate to form a network of particle clusters. A variety of colloidal systems that are important scientifically as well as in industrial applications are capable of gel formation, e.g. globular protein solutions, colloid-polymer mixtures, and metal oxides. LÄS MER