H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 27/142 (2006.01) H01L 31/02 (2006.01) H01L 31/0224 (2006.01) H01L 31/0352 (2006.01)
Patent
CA 2125580
2125580 9312543 PCTABS00023 A semiconductor substrate material having a photovoltaic cell, a semiconductor substrate material having an integrated array of at least two photovoltaic cells in electrical series with one another, systems for the production of electricity and methods for the production of electricity are disclosed. In the semiconductor substrate material (301) having a photovoltaic cell (303, 304), the photovoltaic cell comprises at least one first type groove (305, 306, 307) having walls doped with a first type dopant (308), the first type groove having a first conducting material in conducting electrical contact with the first type doped walls and at least one second type groove (310, 311, 312) having walls doped with a second type dopant, the second type groove having a second conducting material in conducting electrical contact with the second type doped walls. The first and second type grooves are electrically linked with each other by at least one doped region of linking substrate material (314, 316) selected from the group consisting of a first type region of linking substrate material and a second type doped region of linking substrate material, thereby forming a photovoltaic junction where the doped linking substrate material forms a junction with doped substrate material of different polarity. The first type dopant is of different polarity from the second type dopant.
Green Martin Andrew
Taouk Michael Yousef
Wenham Stewart Ross
Heenan Blaikie Llp
Pacific Solar Pty. Ltd.
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