Apparatus and methods for solar energy conversion using nanoscale cometal structures
First Claim
1. A solar cell comprising:
- a substrate; and
a plurality of nanoscale coplanar structures, each comprising a photovoltaic layer located between a first electrically conducting layer and a second electrically conducting layer,wherein incident electromagnetic radiation enters the coplanar structure between the first electrically conducting layer and the second electrically conducting layer and propagates in a direction substantially parallel to a long direction of the nanoscale coplanar structures,wherein the coplanar structures are disposed on the substrate with the long dimension substantially perpendicular to a top surface of the substrate, andwherein transmission of electromagnetic energy inside the coplanar structures is wavelength-independent and happens in transverse electromagnetic (TEM) mode.
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Abstract
An apparatus and methods for solar conversion using nanoscale cometal structures are disclosed herein. The cometal structures may be coaxial and coplanar. A nanoscale optics apparatus for use as a solar cell comprises a plurality of nanoscale cometal structures each including a photovoltaic material located between a first electrical conductor and a second electrical conductor. A method of fabricating solar cells comprises preparing a plurality of nanoscale planar structures; coating a plurality of planar surfaces of the plurality of planar structures with a photovoltaic semiconductor while leaving space between the plurality of planar surfaces; and coating the photovoltaic semiconductor with an outer electrical conductor layer, wherein a portion of the outer electrical conductor layer is located between the planar structures to form coplanar structures.
284 Citations
19 Claims
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1. A solar cell comprising:
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a substrate; and a plurality of nanoscale coplanar structures, each comprising a photovoltaic layer located between a first electrically conducting layer and a second electrically conducting layer, wherein incident electromagnetic radiation enters the coplanar structure between the first electrically conducting layer and the second electrically conducting layer and propagates in a direction substantially parallel to a long direction of the nanoscale coplanar structures, wherein the coplanar structures are disposed on the substrate with the long dimension substantially perpendicular to a top surface of the substrate, and wherein transmission of electromagnetic energy inside the coplanar structures is wavelength-independent and happens in transverse electromagnetic (TEM) mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A solar cell comprising:
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a substrate; and a plurality of nanoscale coplanar structures, each comprising a photovoltaic layer located between a first electrically conducting layer and a second electrically conducting layer, wherein the plurality of nanoscale coplanar structures have a long dimension substantially parallel to a direction of propagation of incident electromagnetic radiation which enters the plurality of nanoscale coplanar structures between the first electrically conducting layer and the second electrically conducting layer, wherein the plurality of nanoscale coplanar structures are disposed on the substrate with the long dimension substantially perpendicular to a top surface of the substrate, wherein the first electrically conducting layer includes a protruding portion extending in the long direction beyond the second electrically conducting layer to function as an electromagnetic radiation receiving antenna, and wherein transmission of electromagnetic energy inside the coplanar structures is wavelength-independent and happens in transverse electromagnetic (TEM) mode. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification