Thin fragmental titanium oxide and porous body as an aggregate t

Details Thin fragmental titanium oxide and porous body as an aggregate t Thin fragmental titanium oxide and porous body as an aggregate t

1996-01-30

1999-01-26

Bos, Steven

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423 69, 423 82, 423610, C01G 2346, C01G 2347

Patent

active

058635149

ABSTRACT:
Titanium oxide, comprising lamina shaped titanium oxide particles having a thickness of 10-30 nm and a width of 0.5 to 1 .mu.m, may be prepared by exfoliating a layered titanic acid powder having a formula H.sub.x Ti.sub.2-x/4 O.sub.4.nH.sub.2 O, where x=0.60-0.75, to form a titania sol; followed by drying and heating, to obtain a titanium oxide. The layered titanic acid powder may be prepared by contacting cesium titanate having an orthorhombic layered structure with an aqueous acid solution.

REFERENCES:
patent: 3923968 (1975-12-01), Basque et al.
patent: 4759916 (1988-07-01), Heikel
patent: 5066404 (1991-11-01), Komatsu et al.
Chemical Abstract, 116:87608, Graetzel, "The artificial leaf, molecular photovoltaics achieve efficient generation of electricity form sunlight" form Coord. Chem. Rev., 111, pp. 167-174, 1991.
Chemical Abstract, 112:10924, Epperson et al, "Sintering of nanophase titania at 550 degrees C", from Mater. Res. Soc. Symp. Proc. vol. 132, pp. 15-20, 1989.
Materials Research Society, 1995 Fall Meeting, Boston, MA, Colloidal Suspension of Single-Layer Titanate, Takayoshi Sasaki et al., (1 page).

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