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Gold nanoparticles (partially below 5 nm in diameter) were successfully deposited on hexagonal and monoclinic WO3 supports by deposition–precipitation, which had been considered previously not feasible owing to the low isoelectronic point of WO3. The catalysts were characterized by TEM, SEM, N2-adsorption, XRD, and XPS. In CO oxidation m-WO3/Au showed better catalytic activity over 100 °C than h-WO...
Titania and titania-silver nanoparticle deposits were made by Liquid Flame Spray technique, in which the liquid precursor is injected into a high temperature flame, where it will evaporate and nucleate to nanosize particles. One-step and two-step methods were used for preparation of titania-silver deposits. The amount of silver added was 1 wt%. The deposits were collected in the flame zone on steel...
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