Diodes with chemically sensitive luminescence

Details Diodes with chemically sensitive luminescence Diodes with chemically sensitive luminescence

1985-03-18

1987-02-24

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

73 23, 250370, G01N 2712

Patent

active

046459324

ABSTRACT:
The presence of certain chemicals on the emitting surface of the palladium coated photoluminescent semiconductor alters the characteristics of radiation emitted from said surface. This alteration is used to indicate the presence of those chemicals in the environment.

REFERENCES:
patent: 4058368 (1977-11-01), Svensson et al.
patent: 4211586 (1980-07-01), Fang et al.
patent: 4542640 (1985-09-01), Clifford
Carpenter et al, "Photoluminescent Response of Palladium . . . [Coated] Diodes to H.sub.2 ", Langmuir, 1985, 1, 605-607.
Imai, H. et al, "Catastrophic Degradation of GaAlAS DH Laser Diodes", Appl. Phys. Lett. 33(12), 15 Dec. 1978.

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