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Electrochemical insertion by a set of different ions (H + , Li + , Na + and K + ) into a tungsten oxide thin film was studied by photoelectron spectroscopy. The tungsten oxide thin film incorporating Si atoms was produced from a silicotungstic acid (SiWA) solution. The insertion compounds were measured by core level photoelectron spectroscopy (W 4f) and the contributions...
In this work, photoelectron spectroscopy is used to measure the electronic density of states in the band gap region of a nanostructured TiO 2 film. Such nanostructured films are used in dye-sensitized solar cells, and in this study a plain TiO 2 film as well as a dye-sensitized film were examined. Further, to simulate the electrolyte effect on the energy levels at the oxide/dye/electrolyte...
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