Pin heterojunction photovoltaic elements with polycrystal BP(H,F

Details Pin heterojunction photovoltaic elements with polycrystal BP(H,F Pin heterojunction photovoltaic elements with polycrystal BP(H,F

1990-01-19

1991-04-16

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136249, 357 30, 357 59, H01L 31075, H01L 310368, H01L 310376

Patent

active

050079719

ABSTRACT:
A pin heterojunction photovoltaic element which generates photoelectromotive force by the junction of a p-type semiconductor layer, an i-type semiconductor layer and an n-type semiconductor layer, characterized that at least one of said p-type and n-type semiconductor layers comprises a polycrystal semiconductor film comprised of boron atoms (B), phosphorus atoms (P), hydrogen atoms (H) optionally fluorine atoms (F), and atoms (M) of a p-type or n-type dopant element, said polycrystal semiconductor film contains crystal grains of an average size in the rage of 50 to 800 .ANG., and said polycrystal semiconductor film contains the hydrogen atoms (H) in an amount of 0.5 to 7 atomic %; and i-type comprises either (a) a non-single crystal semiconductor film containing silicon atoms (Si) as a matrix and at least one kind of atoms selected from the group consisting of hydrogen atoms (H) and fluorine atoms (F) or (b) a non-single crystal semiconductor film containing silicon atoms (Si) as a matrix, at least one kind of atoms selected from the group consisting of carbon atoms (C) and germanium atoms (Ge), and at least one kind of atoms selected from the group consisting of hydrogen atoms (H) and fluorine atoms (F).

REFERENCES:
patent: 4177473 (1979-12-01), Ovshinsky
patent: 4177474 (1979-12-01), Ovshinsky
patent: 4330182 (1982-05-01), Coleman
patent: 4365107 (1982-12-01), Yamauchi

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