Abstract:The photocatalyst sorbic acid (SA)/titanium dioxide (TiO 2) was successfully synthesized by sol-gel method and characterized. The composite exhibited regularly spherical particles with the size of 50 nm and the specific surface area of 90.3 m 2 g −1 , furthermore, it showed mesoporous structure and significantly improved dispersion. SA was grafted on TiO 2 surface by-COOTi and TiO 2 existed as pure anatase phase in the composite. The addition of SA made the band gap of TiO 2 increased from 3.03 to 3.35 eV, whi… Show more
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