Substituted zirconium pyrophosphate phosphors

Details Substituted zirconium pyrophosphate phosphors Substituted zirconium pyrophosphate phosphors

1975-03-24

1976-03-02

Cooper, Jack

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

2523014F, 423306, C09K 1142

Patent

active

039417158

ABSTRACT:
Self-activated ultraviolet-emitting zirconium pyrophosphate phosphors, wherein 0.01 to 20 mole percent of the zirconium is substituted with one or more of hafnium, germanium and silicon. The phosphors, which may be excited by ultraviolet radiation, x-rays and electron beams, may be used as energy converters in photodevices.

REFERENCES:
patent: 2596509 (1952-05-01), Ranby
patent: 2770749 (1956-11-01), Bril et al.
patent: 2824072 (1958-02-01), Butler
patent: 2966605 (1960-12-01), Harris et al.
patent: 3017365 (1962-01-01), Harrison
patent: 3513105 (1970-05-01), Ward
Bril et al., "Philips Research Rep.," 7, pp. 421-431, 1952.
Kroger et al., "Chemical Abstracts" Vol. 48, 3150a, 1954.
Lushchik, "Chemical Abstracts" Vol. 58, 112f, 1963.
Treichler et al., "Chemical Abstracts" Vol. 68, 82849z, 1968.

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