Array of titanium dioxide nanostructures for solar energy utilization
First Claim
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1. A titanium dioxide nanostructure for solar energy utilization, the nanostructure comprising:
- a nanotube comprising an outer layer coaxial with an inner layer, the inner layer comprising p-type titanium dioxide and the outer layer comprising n-type titanium dioxide, an interface between the inner layer and the outer layer defining a p-n junction.
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Abstract
An array of titanium dioxide nanostructures for solar energy utilization includes a plurality of nanotubes, each nanotube including an outer layer coaxial with an inner layer, where the inner layer comprises p-type titanium dioxide and the outer layer comprises n-type titanium dioxide. An interface between the inner layer and the outer layer defines a p-n junction.
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Citations
23 Claims
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1. A titanium dioxide nanostructure for solar energy utilization, the nanostructure comprising:
a nanotube comprising an outer layer coaxial with an inner layer, the inner layer comprising p-type titanium dioxide and the outer layer comprising n-type titanium dioxide, an interface between the inner layer and the outer layer defining a p-n junction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An array of titanium dioxide nanostructures for solar energy utilization, the array comprising:
a plurality of nanotubes, each nanotube comprising an outer layer coaxial with an inner layer, the inner layer comprising p-type titanium dioxide and the outer layer comprising n-type titanium dioxide, an interface between the inner layer and the outer layer defining a p-n junction. - View Dependent Claims (13)
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14. A method of making an array of titanium dioxide nanostructures for solar energy utilization, the method comprising:
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creating an array of nanotubes comprising titanium dioxide; exposing the array of nanotubes to a gas comprising a dopant element; and controllably doping each of the nanotubes to form an inner layer comprising p-type titanium dioxide and an outer layer coaxial with the inner layer that comprises n-type titanium dioxide, where an interface between the inner layer and the outer layer defines a p-n junction. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification