Obscuring, color matching, and camouflaging solar panels
A solar panel includes a plurality of photovoltaic cells embedded in a layer of encapsulant. A textured and/or colored layer is positioned on a back side of the layer of encapsulant. The textured and/or colored layer matches a color and/or texture of the plurality of photovoltaic cells. A top layer is positioned on a front side of the layer of encapsulant.
1. A solar panel comprising:
a topsheet;
a photovoltaic layer adjacent the topsheet, the photovoltaic layer comprising a plurality of photovoltaic cells encapsulated in a photovoltaic layer material, the plurality of photovoltaic cells comprising a first topography; and
a textured layer comprising a second topography matching the first topography; and
a layer of Si coating a surface of the textured layer facing the photovoltaic layer, wherein a color of the textured layer coated by the layer of Si matches a color of the plurality of photovoltaic cells.
2. The solar panel of claim 1 , wherein the textured layer comprises polyethylene terephalate.
3. The solar panel of claim 1 , wherein the textured layer comprises glass.
4. The solar panel of claim 1 , wherein the textured layer further comprises a layer of indium tin oxide (ITO) or Si 3 N 4 on the layer of Si.
5. The solar panel of claim 4 , wherein the textured layer is formed using a molding process.
6. The solar panel of claim 1 , wherein the textured layer is a backsheet.
7. The solar panel of claim 1 , wherein the photovoltaic layer comprises silicon with the first topography that has features of a first shape and the textured layer comprises a polymer that has the second topography with features of the first shape.
8. The solar panel of claim 1 , wherein the first topography has pyramidal features and the second topography has matching pyramidal features and wherein the textured layer is formed of a polymer.
9. The solar panel of claim 1 , wherein the textured layer comprises metallic layers and etched tracks that form electrical circuitry.
10. A solar panel comprising:
a photovoltaic layer comprising a plurality of photovoltaic cells encapsulated in a photovoltaic layer material, the plurality of photovoltaic cells comprising a first topography;
a topsheet positioned on a first side of the photovoltaic layer; and
a textured layer comprising a second topography that matches the first topography; and
a layer of Si coating the textured layer, wherein the textured layer reflects light matching a color of the plurality of photovoltaic cells and the textured layer is positioned on a second side of the photovoltaic layer opposite the first side.
11. The solar panel of claim 10 , wherein the reflectance of the textured layer is higher for infrared wavelengths than for visible wavelengths.
12. The solar panel of claim 10 , wherein the topsheet is a layer of glass.
13. The solar panel of claim 10 , wherein the textured layer comprises a polymer.
14. The solar panel of claim 10 , wherein the second topography comprises pyramidal features.
15. The solar panel of claim 10 , wherein the photovoltaic layer material further comprises ethylene vinyl acetate (EVA).
16. The solar panel of claim 10 , wherein the layer of Si coated on the textured layer is covered by a layer of indium tin oxide (ITO) or Si 3 N 4 .