Secondary Spectra and Satellites

Agarwal, Basant

doi:10.1007/978-3-540-38668-1_4

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“…The high-resolution spectrum of Ti of TiO 2 -A (Figure a) shows three peaks. Peaks at 458.97, 464.66, and 472.19 eV corresponded to the 2p 3/2 , 2p 1/2 , and satellite peak of 2p 3/2 of Ti 4+ in the TiO 2 lattice, respectively. , The satellite peak was due to a sudden change in Coulombic potential as the photo ejected electron passed through the valence band Figure b shows the high-resolution spectrum of Ti 2p of TF-800 with peaks at 458.48 and 464.15 eV corresponding to the 2p 3/2 and 2p 1/2 of Ti 4+ in the TiO 2 lattice, respectively …”

Section: Resultsmentioning

confidence: 96%

“…20 , 74 The satellite peak was due to a sudden change in Coulombic potential as the photo ejected electron passed through the valence band. 75 Figure 6 b shows the high-resolution spectrum of Ti 2p of TF-800 with peaks at 458.48 and 464.15 eV corresponding to the 2p 3/2 and 2p 1/2 of Ti 4+ in the TiO 2 lattice, respectively. 20 Figure 6 c shows the high-resolution spectrum of Ti 2p of TF-450.…”

Section: Resultsmentioning

confidence: 99%

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Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

et al. 2022

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High-purity (98.8%, TiO 2 ) rutile nanoparticles were successfully synthesized using ilmenite sand as the initial titanium source. This novel synthesis method was cost-effective and straightforward due to the absence of the traditional gravity, magnetic, electrostatic separation, ball milling, and smelting processes. Synthesized TiO 2 nanoparticles were 99% pure. Also, highly corrosive environmentally hazardous acid leachate generated during the leaching process of ilmenite sand was effectively converted into a highly efficient visible light active photocatalyst. The prepared photocatalyst system consists of anatase-TiO 2 /rutile-TiO 2 /Fe 2 O 3 (TF-800), rutile-TiO 2 /Fe 2 TiO 5 (TFTO-800), and anatase-TiO 2 /Fe 3 O 4 (TF-450) nanocomposites, respectively. The pseudo-second-order adsorption rate of the TF-800 ternary nanocomposite was 0.126 g mg –1 min –1 in dark conditions, and a 0.044 min –1 visible light initial photodegradation rate was exhibited. The TFTO-800 binary nanocomposite adsorbed methylene blue (MB) following pseudo-second-order adsorption (0.224 g mg –1 min –1 ) in the dark, and the rate constant for photodegradation of MB in visible light was 0.006 min –1 . The prepared TF-450 nanocomposite did not display excellent adsorptive and photocatalytic performances throughout the experiment period. The synthesized TF-800 and TFTO-800 were able to degrade 93.1 and 49.8% of a 100 mL, 10 ppm MB dye solution within 180 min, respectively.

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Section: Resultsmentioning

confidence: 96%

Section: Resultsmentioning

confidence: 99%

Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

et al. 2022

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Secondary Spectra and Satellites

Cited by 1 publication

References 117 publications

Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

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Secondary Spectra and Satellites

Cited by 1 publication

References 117 publications

Fabrication of TiO2 Spheres and a Visible Light Active α-Fe2O3/TiO2-Rutile/TiO2-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

Fabrication of TiO2 Spheres and a Visible Light Active α-Fe2O3/TiO2-Rutile/TiO2-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

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Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite

Fabrication of TiO₂ Spheres and a Visible Light Active α-Fe₂O₃/TiO₂-Rutile/TiO₂-Anatase Heterogeneous Photocatalyst from Natural Ilmenite