Preparation of Ta-doped TiO₂thin films by co-sputtering and their photoelectrode properties
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Ta-doped thin films were deposited on quartz and indium-tin oxide glass substrates using a co-sputtering method. The Ta-doped films formed a solid solution that induced structural changes from rutile to anatase phase. The anodic photocurrents of the Ta-doped TiO₂electrodes were observed not only in UV but also in the visible light range. The photocurrent response in visible light on Ta-doped TiO₂films are due to bandgap reduction.
Abstract
Ta-doped thin films were deposited on quartz and indium-tin oxide glass substrates using a co-sputtering method. The Ta-doped films formed a solid solution that induced structural changes from rutile to anatase phase. The anodic photocurrents of the Ta-doped TiO₂electrodes were observed not only in UV but also in the visible light range. The photocurrent response in visible light on Ta-doped TiO₂films are due to bandgap reduction.
참고문헌 (10)
- A. Taleb, "Optical properties of self-assembled 2D and 3D superlattices of silver nanoparticles", J. Phys. Chem. B, 102, pp.2214~ (1998)
- G. Hyashi, "Photoluminescence spectra of carbon clusters embedded in SiO2", Jpn. J. Appl. Phys. Part 2, 32, pp.L274~ (1993)
- V. Joudrieri, "Nonlinear light scattering in a two-component medium: Optical limiting application", Appl. Phys. B: Lasers Opt, 67, pp.627~ (1998)
- A. Dawson, "Semiconductor-metal composite nanostructures. to what extent do metal nanoparticles improve the photocatalytic activity of TiO2 films", J. Phys. Chem. B, 105, pp.11439~ (2001)
- A. Sobczynski, "Photoassisted hydrogen generation: platinum and cadmium sulfide supported on separate particles", J. Phys. Chem, 91, pp.3316~ (1987)
- J.-W. Yoon, "Preparation and characterization of M", TiO2 (M = Ag, Au, Pt) nanocomposite thin films, 2001, pp.44, 1865~
- J.-W. Yoon, "Photoelectrochemical behavior of Pt", TiO2 nanocomposite thin films prepared by pulsed laser deposition, 2002, pp.197-198, 684~
- J.-W. Yoon, "Photoelectrode properties of nanocomposite thin films based on interfacing nanosized noble metal and TiO2", Electrochem. Sold-State. Lett, 5, pp.256~ (2002)
- D. Madare, "On the structural properties and optical transmittance of TiO2 r.f. sputtered thin film", Appl. Surf. Sci, 156, pp.200~ (2000)
- J.F. Moulder, "Handbook of X-ray photoelectron spectroscopy" (1992), Perkin-Elmer, Eden Prairie
