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US 7,545,051 B2Granted
Nanowire array and nanowire solar cells and methods for forming the same
AssigneeThe Regents of the University of California
InventorsPeidong Yang, Lori E. Greene, Matthew Law
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Abstract
Homogeneous and dense arrays of nanowires are described. The nanowires can be formed in solution and can have average diameters of 40-300 nm and lengths of 1-3 μm. They can be formed on any suitable substrate. Photovoltaic devices are also described.
Claims29
An electronic device, comprising:
- a first conductive layer;
- an array of nanowires, the nanowires having first ends and second ends, the first ends adjacent the first conductive layer, the nanowires extending approximately perpendicular to the first conductive layer, wherein the nanowire array has a density of approximately 1010 nanowires per cm2;
- a second conductive layer approximately parallel to the first conductive layer and adjacent the second ends of the nanowires;
- and
- an electronic material filling spaces between and around the nanowires.
2 more elements
An electronic device, comprising:
- a first conductive layer;
- an array of nanowires having n-type behavior, the nanowires having first ends and second ends, the first ends adjacent the first conductive layer, the nanowires extending approximately perpendicular to the first conductive layer;
- a second conductive layer approximately parallel to the first conductive layer and adjacent the second ends of the nanowires;
- and
- a p-type semiconductor material filling spaces between and around the nanowires.
2 more elements
Dependencies are inferred from the claim text.