Abstract
The undoped TiO2 and Zr/P doped TiO2 of grown nanoparticles are synthesized using a bottom-up approach. Structural characterization like X-ray diffraction patterns, FTIR and optical characteristics like UV–visible spectroscopy for dye degradation with photocatalysts have been observed. The XRD shows that all samples have nearly identical lattice characteristics as its constituent phases indicating no structural changes observed with varying molar concentrations. The FTIR spectra clearly show that no additional chemical bonding is formed between un-doped TiO2 and doped TiO2 samples. The UV visible spectra of all doped TiO2 samples reveal bands for degradation of Rose Bengal over the minimum period. The optical band gap of doped TiO2 samples with dye degradation of Rose Bengal is measured using the Tauc plot. The percentage of Photodegradation of Rose Bengal with PZT6 is more than 95 % over 40 min. The Beer-Lambert relation is used to determine the proportion of photocatalytic degradation of Rose Bengal with all doped TiO2 nanoparticles. The rate constant of all doped TiO2 nanoparticles is obtained from kinetic studies that fitted pseudo-first-order reactions.
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