B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 21/06 (2006.01) B01J 23/02 (2006.01) B01J 35/00 (2006.01) B01J 37/02 (2006.01) B01J 37/04 (2006.01) C01G 23/00 (2006.01) C09D 1/00 (2006.01)
Patent
CA 2415014
Titanium oxide showing sufficiently high photocatalytic activities by irradiation of visible light is provided. The titanium oxide contains an element selected from IIa group elements, IIb group elements and lantanoids, and has (i) an X-ray photoelectron spectrum (XPS) which has a peak at a binding energy within the range of from 458 eV to 460 eV and (ii) index X(= B/A) of about 0.98 or less, wherein A and B stand for half-widths of peaks at binding energies in 458-460 eV in the integrated spectra obtained by integrating the first and second XPS spectra and the seventh and eighth XPS spectra, respectively, which are obtained from eight-time XPS measurements of the titanium oxide. The titanium oxide is useful as a photocatalyst, for example, to decompose organic compounds and water.
Domen Kazunari
Sakatani Yoshiaki
Fetherstonhaugh & Co.
Sumitomo Chemical Company Limited
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