Photocatalytic process

Details Photocatalytic process Photocatalytic process

2007-11-27

2007-11-27

Mayekar, Kishor (Department: 1753)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

C422S121000, C422S022000

Reexamination Certificate

active

11263638

ABSTRACT:
A photocatalytic cleaner for air or water includes a photocatalytic material coating a substrate. An anode, positioned a predetermined distance from the substrate, includes a phosphor that emits ultraviolet light in response to bombardment by electrons from a field emission cathode emitting electrons in response to an electric field. The field emission cathode may be a carbon based field emitter material including incorporating carbon nanotubes.

REFERENCES:
patent: 5600200 (1997-02-01), Kumar et al.
patent: 6761859 (2004-07-01), Oda
patent: 2002/0070648 (2002-06-01), Forsberg
patent: WO 2004/026471 (2004-01-01), None
Bonard et al., “Field Emission From Cylindrical Carbon Nanotube Cathodes : Possibilities For Luminescent Tubes”, Applied Physics Letters, vol. 78, No. 18, Apr. 30, 2001, pp. 2775-2777.
Croci et al., “A Fully Sealed Luminescent Tube Based on Carbon Nanotube Field Emission”, Microelectronics Journal, vol. 35, Issue 4, Apr. 2004, pp. 329-336.
Takeshi Kudo et al., “Development of Rectangular Column Structured Titanium Oxide Photocatalysts Anchored on Silica Sheets,”Res. Chem. Intermed, vol. 29, No. 6, pp. 631-639 (2003).

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