(a) Highly porous layer, (b) nanopowder, and (c) colloidal solution with dispersed nanoparticles.
(a) TEM image of nanoparticles, (b) highly resolved TEM image of a single nanoparticle, and (c) size distribution diagram of the nanoparticles obtained from (a).
TPD-MS profiles of porous for the ions: (a) with , , , and ; and (b) with , , , and .
FTIR spectra (transmittance and diffuse reflectance) of palletized and ground samples.
Schematic representation of (a) general surface chemistry of as-prepared nanoparticles and (b) surface charges of nanoparticles dispersed in polar liquids.
(a) Used surfactants, (b) schematic representation of interaction between the surfactants and nanoparticles, (c) general views of the solutions containing nanoparticles and surfactants, and (d) Z-potential values of the solutions containing nanoparticles without and with surfactants.
PL spectra of dry as-prepared and oxidized nanopowder compared to polycrystalline wafer.
Normalized PL spectra of the as-prepared nanoparticles in solutions with different static dielectric constants: (a) dichloromethane , (b) ethanol , and (c) water .
Schematic illustration of the band tail screening effect.
(a) Absorption and (b) PL spectra of aqueous solutions containing nanoparticles without and with surfactants.
Schematic representation of the influence of (a) negative surface charges, and (b) positive surface charges on photoinduced electronic transitions in nanoparticles. The arrows indicate possible channels for the photostimulated electronic transitions.
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