Process of making a radiation responsive device

Details Process of making a radiation responsive device Process of making a radiation responsive device

1977-12-02

1979-05-22

Ozaki, G.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

29572, 136 89TF, 148 15, 357 15, H01L 2122

Patent

active

041557859

ABSTRACT:
The practice of this disclosure obtains a relatively high efficiency operation for a crystalline semiconductor solar cell containing various defects of the linear and planar types. Linear defects include screw dislocations as well as full and partial dislocations. Planar defects include twins, stacking faults, grain boundaries and surfaces. Such defects normally contain recombination centers at which electrons and holes generated in the semiconductor region recombine with loss to the external current of the charge carried thereby. Through application of the principles of this invention, especial dopant concentrations and conductivity regions are established in a finite region around the linear and planar defects so that electrons and holes which are generated in the semiconductor region by incident radiation are substantially collected for external current as consequence thereof.

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DiStefano, "Polycrystalline Luminescent Thin Film," IBM Technical Disclosure Bulletin, vol. 17, No. 8, Jan. 1975, pp. 2453 and 2454.
Cuomo et al., "Polycrystalline Semiconductor Solar Cell," IBM Technical Disclosure Bulletin, vol. 17, No. 8, Jan. 1975, pp. 2455 and 2456.
Cuomo et al., "Method of Making Unstrained Thin Films," IBM Technical Disclosure Bulletin, vol. 15, No. 9, Feb. 1973, pp. 2698 and 2699.

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