Abstract
The nano-sized zinc titanate heterojunction was synthesized via co-precipitation method and its texture parameters were studied via nitrogen adsorption/desorption method. The surface area (214 m2/g) and pore size (2.3 nm) were determined by BET and BJH methods. The phase composition and crystalline nature was investigated using X-ray diffractometer (XRD) and resulting crystallite sizes for TiO2 and ZnO were 44.0 and 70.85 nm respectively. The scanning electron and transmission electron microscopies (SEM and TEM) were operated to examine the surface morphology. The energy dispersive spectroscopy (EDX) reveals that the sample is highly pure and Fourier transform infrared (FTIR) spectroscopy was used for the chemical analysis. The synthesized zinc titanate used for the removal of Cr(VI) ions following batch method and adsorption nature was explained by applying Freundlich and Langmuir equations to batch adsorption data. The endothermic nature of the adsorption process was exposed through thermodynamic investigation and 1:1 exchange ratio was determined for hydrogen and Cr(VI) ions. The zinc titanate heterojunction was used as a photocatalyst under irradiation of simulated sun light for the degradation of Rh-6G and almost all dye was degraded with degradation arte of 1.48 × 10−2 min−1.
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Shoukat, S., Haq, S., Rehman, W. et al. Fabrication and Characterization of Zinc Titanate Heterojunction for Adsorption and Photocatalytic Applications. J Inorg Organomet Polym 30, 4944–4953 (2020). https://doi.org/10.1007/s10904-020-01590-x
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DOI: https://doi.org/10.1007/s10904-020-01590-x