Author: "Barrett, Nick" / Topic: tio2 anatase - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Barrett, Nick" Topic tio2 anatase

Author: Silversmit, Geert, Poelman, Hilde, Depla, Diederik, Barrett, Nick, Marin, Guy B., and De Gryse, Roger
Subjects: *MAGNETRONS, *SPECTRUM analysis, *TITANIUM dioxide, *MOLECULAR orbitals, *SYNCHROTRONS
Abstract: Abstract: A V2O5/TiO2(001)-anatase system was prepared with reactive DC magnetron sputtering upon a mineral TiO2(001)-anatase single crystal substrate. The vanadium oxide layer was grown in steps of 2Å up to 30Å and studied with in situ synchrotron ultraviolet photoemission spectroscopy (hν =150eV). From the V3p and valence band spectra it is shown that fully oxidized vanadium oxide layers are deposited for all layer thicknesses. The sputtered V2O5 layers are sensitive to photoreduction under irradiation with the monochromatic synchrotron beam. [Copyright &y& Elsevier]
Published: 2005
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Author: Silversmit, Geert, Poelman, Hilde, Depla, Diederik, Poelman, Dirk, Barrett, Nick, Marin, Guy B., and Gryse, Roger De
Subjects: *TITANIUM dioxide, *ELECTRON spectroscopy, *MOLECULAR spectroscopy, *MOLECULAR orbitals
Abstract: Abstract: The thermal reduction of thin vanadium oxide layers (8 and 16Å) deposited with magnetron sputtering on mineral anatase TiO2(001) was examined with ultraviolet photoelectron spectroscopy (UPS). Completely oxidized vanadium oxide layers were deposited. During heating, the vanadium oxide layers reduced and evaporated, the thinnest vanadium oxide layer (8Å) even vanished. A re-oxidation of the heated 16Å V2O5/TiO2 could not restore the reduced vanadium oxide completely to V5+. [Copyright &y& Elsevier]
Published: 2005
Full Text: View/download PDF

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