High efficiency diamond solar cells

Details High efficiency diamond solar cells High efficiency diamond solar cells

2008-05-06

2008-05-06

Nguyen, Nam (Department: 1795)

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

C136S252000

Reexamination Certificate

active

07368658

ABSTRACT:
A photovoltaic device and method of making same. A layer of p-doped microcrystalline diamond is deposited on a layer of n-doped ultrananocrystalline diamond such as by providing a substrate in a chamber, providing a first atmosphere containing about 1% by volume CH4and about 99% by volume H2with dopant quantities of a boron compound, subjecting the atmosphere to microwave energy to deposit a p-doped microcrystalline diamond layer on the substrate, providing a second atmosphere of about 1% by volume CH4and about 89% by volume Ar and about 10% by volume N2, subjecting the second atmosphere to microwave energy to deposit a n-doped ultrananocrystalline diamond layer on the p-doped microcrystalline diamond layer. Electrodes and leads are added to conduct electrical energy when the layers are irradiated.

REFERENCES:
patent: 6753469 (2004-06-01), Kolawa et al.
patent: 6793849 (2004-09-01), Gruen et al.

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