Synthesis and characterization of TiO2-carbon nanocomposites with both micro- and mesopore size distributions
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概要
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TiO2-carbon nanocomposites were synthesized by simply mixing a TiO2 sol with a semi-cured resorcinol and formaldehyde gel, followed by drying and pyrolysis at 1000°C in an inert atmosphere. For comparison, the pure resorcinol and formaldehyde gel and the pure TiO2 gel were also prepared, dried and pyrolysed in same conditions, respectively. The composites with a low TiO2 content had the similar pore size distribution (PSD) and crystallographic structure to that of the blank sample (i.e., micropore size distribution), However the presence of high content TiO2 in the composites effectively resulted in an increase in mesoporosity and a crystallographic structure of dominant rutile TiO2 in the TiO2-carbon nanocomposite.
- 2010-10-31
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