Abstract
Ti-doped layered zinc hydroxide materials with different molar ratios of Ti/Zn have been synthesized through the coprecipitation method at pH of 9.0–9.5. The materials possess layered structure with carbonate anions in the interlayer regions. The catalysts have uniform particle sizes and high surface area. An isomorphous substitution of Zn2+ by Ti4+ in the brucite-like sheets makes a promotional effect on the photocatalytic activity in the degradation of rhodamine B aqueous solution. The catalytic results indicated that the intra layer sheet Ti4+ ions are more active than the extra −TiO2 components in the complete removal of rhodamine B. The degradation efficiency is dependant on the intra lattice Ti4+ contents and reaction variables.
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