Catalysts Based on Fiberglass Supports: III. Properties of Supported Metals (Pt and Pd) According to Electron-Microscopic and XPS Data
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Under various preparation conditions, metals supported on leached borosilicate and soda–silica fiberglass form three types of particles. First, these are metal particles in sizes from tens to hundreds of angstrom distributed over the outer surface of fibers. Second, in the presence of mesopores in fiberglass supports (borosilicate glasses), metal particles of commensurable sizes (15–100 Å) are localized in the cavities. Third, dispersed (<10 Å) particles are present in the bulk of fiberglass; these particles are intercalated into the bulk of leached glasses as deep as several hundreds of angstrom. The amount of a metal and the depth of penetration into the bulk of fiberglass can be controlled by preparation conditions and by the addition of cointercalates, which are responsible for pillaring effects.
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- Catalysts Based on Fiberglass Supports: III. Properties of Supported Metals (Pt and Pd) According to Electron-Microscopic and XPS Data
Kinetics and Catalysis
Volume 42, Issue 6 , pp 837-846
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- 1. Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia
- 2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia