C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 23/04 (2006.01) B01J 21/06 (2006.01) B01J 35/00 (2006.01) C01G 23/047 (2006.01) C01G 23/053 (2006.01)
Patent
CA 2324638
A titanium oxide showing sufficiently high photocatalytic activities by irradiation of visible light is provided. Using the titanium oxide, an excellent photocatalyst and photocatalyst coating composition is also provided. The titanium oxide has (i) three or more peaks within the range of from 1.930 to 2.030 in g value of electron spin resonance spectrum of the titanium oxide, wherein the largest one of the peaks is within the range of from 1.990 to 2.020 in the g value and/or (ii) a spin concentration X of 1.50 X 10 16 spins/g or more, which is determined from electron spin resonance spectrum of the titanium oxide measured after irradiation of visible light.
Ando Hiroyuki
Koike Hironobu
Sakatani Yoshiaki
Fetherstonhaugh & Co.
Sumitomo Chemical Co. Ltd.
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