Synthesis and study of photoelectrochromic and photocatalytic behavior of double-layer N-doped TiO2/Co3O4 configuration via DC reactive magnetron sputtering.
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| Title: | Synthesis and study of photoelectrochromic and photocatalytic behavior of double-layer N-doped TiO |
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| Authors: | Kadhim, Firas J.1 (AUTHOR) dr.firas1990@yahoo.com, Hashim, Noor Alhuda H.1 (AUTHOR), Abdulsattar, Zinah S.1 (AUTHOR) |
| Source: | Optical & Quantum Electronics. Feb2024, Vol. 56 Issue 2, p1-10. 10p. |
| Subjects: | Reactive sputtering, Magnetron sputtering, Doping agents (Chemistry), Zinc oxide films, Field emission electron microscopy, Optical modulation, Thin films |
| Abstract: | This work introduces the synthesis and the characterization of N-doped TiO2 and Co3O4 thin films prepared via DC reactive magnetron sputtering technique. N-doped TiO2 thin films was deposited on indium-tin oxide (ITO) conducting substrate at different nitrogen ratios, then the Co3O4 thin film was deposited onto the N-doped TiO2 layer to synthesize a double-layer TiO2-N/Co3O4 Photoelectrochromic device. Several techniques were used to characterize the produces which are x-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), Fourier-transform infrared (FTIR) spectroscopy and UV–Vis spectroscopy. The Photoelectrochromic device was characterized by UV–Vis spectroscopy and the results show that the double-layer N-doped TiO2 /Co3O4 was sensitive to light, that's due to the photogenerated holes in the valence band of photocatalyst (N-doped TiO2) and led to direct electron transfer from Co3O4 to N-doped TiO2 layer.The optical transmittance modulation Δ T = T b - T c was 27.1% after 2.5 h irradiation by xenon light. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This work introduces the synthesis and the characterization of N-doped TiO2 and Co3O4 thin films prepared via DC reactive magnetron sputtering technique. N-doped TiO2 thin films was deposited on indium-tin oxide (ITO) conducting substrate at different nitrogen ratios, then the Co3O4 thin film was deposited onto the N-doped TiO2 layer to synthesize a double-layer TiO2-N/Co3O4 Photoelectrochromic device. Several techniques were used to characterize the produces which are x-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), Fourier-transform infrared (FTIR) spectroscopy and UV–Vis spectroscopy. The Photoelectrochromic device was characterized by UV–Vis spectroscopy and the results show that the double-layer N-doped TiO2 /Co3O4 was sensitive to light, that's due to the photogenerated holes in the valence band of photocatalyst (N-doped TiO2) and led to direct electron transfer from Co3O4 to N-doped TiO2 layer.The optical transmittance modulation Δ T = T b - T c was 27.1% after 2.5 h irradiation by xenon light. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 03068919 |
| DOI: | 10.1007/s11082-023-05696-7 |
