Graded affinity photovoltaic cell

Details Graded affinity photovoltaic cell Graded affinity photovoltaic cell

1984-04-27

1985-09-17

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136255, 136258, 357 2, 357 30, 29572, 427 74, H01L 3106, H01L 3118

Patent

active

045422567

ABSTRACT:
An improved photovoltaic cell, and method for its manufacture, comprising front and back electrically conductive layers between which is sandwiched a primary light-absorbing layer of amorphous semiconducting material displaying low photogenerated carrier mobility below about 50 cm.sup.2 /V second, the constitution of which primary layer is fabricated to provide an affinity gradient reducing back-diffusion of a preselected species of photogenerated carrier (electrons or holes) to thereby forestall non-productive recombination with carriers of opposite type.

REFERENCES:
patent: 4471155 (1984-09-01), Mohr et al.

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