Photoconductive cell with zinc oxide tetrapod crystals

Details Photoconductive cell with zinc oxide tetrapod crystals Photoconductive cell with zinc oxide tetrapod crystals

1991-04-03

1992-02-25

Jackson, Jr., Jerome

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

357 10, 423622, 156DIG77, 156DIG112, H01L 2922, H01L 3108

Patent

active

050917650

ABSTRACT:
A photoconductive cell comprises a photodetector section which consists of an aggregate of tetrapod-like zinc oxide whiskers. Each whisker consists of a core and needle-shaped crystals extending in four different directions from the core. Since this novel tetrapod-like zinc oxide whisker consists of single crystal zinc oxide, it suffers less deterioration. In addition, since the single crystals are transparent and an aggregate thereof has a high porosity, light tends to enter deep portions of the cell so that it exhibits high sensitivity.

REFERENCES:
patent: 3420763 (1969-01-01), Polito et al.
patent: 3503029 (1970-03-01), Matsuoka
patent: 3674476 (1972-07-01), Tamai et al.
patent: 3867145 (1975-02-01), Honjo et al.
Patent Abstracts of Japan, vol. 5, No. 200 (C-84)[872] (1981).
Patent Abstracts of Japan, vol. 4, No. 103 (P-20)[585] (1980).
Patent Abstracts of Japan, vol. 6, No. 96 (P-120)[974] (1982).

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