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dc.contributor.authorC. Aramwiten_US
dc.contributor.authorS. Intarasirien_US
dc.contributor.authorD. Bootkulen_US
dc.contributor.authorU. Tippawanen_US
dc.contributor.authorB. Supsermpolen_US
dc.contributor.authorN. Seanphiniten_US
dc.contributor.authorW. Ruangkulen_US
dc.contributor.authorL. D. Yuen_US
dc.description.abstractTitanium dioxide (TiO2) is well-known as a photovoltaic and photocatalytic material. For improvement in the dye-sensitized solar cell (DSSC) performance efficiency, the photocatalyst TiO2layer would be desired in nanoporous anatase. In this research, TiO2films were synthesized on glass or p-type silicon substrate using our in-house Filtered Cathodic Vacuum Arc Deposition (FCVAD) system. The deposition was operated at varied oxygen (O2) partial pressures of 10-4, 10-3, 10-2to 10-1torr with fixed 0 or 250-V bias and 600-V arc for 10 or 20 minutes. The film transparency increased with increasing of the O2pressure, indicating increase in the structure required for applications in dye-sensitized solar cells. The films were characterized using the Energy-Dispersive X-ray spectroscopy (EDS) and Raman spectroscopy techniques. The EDS confirmed that the transparent deposited films contained stoichiometric titanium and oxygen under the medium O2pressure. Raman spectra confirmed that the films were TiO2containing some rutile but no anatase which needed annealing to form. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were used for evaluation of the film's surface morphology and thickness. The result showed that increasing of the O2pressure decreased the thickness to a nanoscale but increased the amount of TiO2. © IOP Publishing Ltd 2013.en_US
dc.subjectPhysics and Astronomyen_US
dc.titleSynthesis and characterization of filtered-cathodic-vacuum-arc-deposited TiO<inf>2</inf>films for photovoltaic applicationsen_US
dc.typeConference Proceedingen_US
article.title.sourcetitleJournal of Physics: Conference Seriesen_US
article.volume423en_US Mai Universityen_US on Higher Educationen_US Universityen_US Digital (Thailand) Co.en_US
Appears in Collections:CMUL: Journal Articles

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