Aerosol-generated sol-gel derived thin films and applications th

Details Aerosol-generated sol-gel derived thin films and applications th Aerosol-generated sol-gel derived thin films and applications th

1996-11-18

2000-01-25

Raevis, Robert

Measuring and testing

Gas analysis

Detector detail

G01N 700

Patent

active

060166894

ABSTRACT:
A sensor having a substrate overlayed with a sol-gel layer, a chemical sensing species deposited upon the sol-gel layer, and a thin film of a second sol-gel layer overlaying and entrapping the species. The effect of this sensor is that the species exhibits a significant portion of its intrinsic function over a period of time. In yet another embodiment of the subject invention, a method is disclosed to form a thin sol-gel layer upon an ambient substrat. This method ensures the integrity, stability and functionality of the chemical sensing species within the sol-gel layers.

REFERENCES:
patent: 4822465 (1989-04-01), Jones et al.
patent: 5151110 (1992-09-01), Bein et al.
patent: 5300564 (1994-04-01), Avnir et al.
patent: 5326449 (1994-07-01), Cunningham
patent: 5577137 (1996-11-01), Groger et al.
patent: 5670949 (1997-09-01), Kirby et al.
Collino et al., Journal of Sol-Gel Science and Technology 7(1-2):81-85(1996).
Jordan et al., Analytica Chimica Acta 332:83-91 (1996).

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