MICROLENS ARRAY FOR SOLAR CELLS
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Dec 30, 2010
filing date -
Aug 19, 2010
priority date (Note) -
Abandoned
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Abstract
A dye-sensitized solar cell with internal microlens array includes an anodic electrode, a cathodic counter-electrode, and an electrolyte. The anodic electrode includes a porous nano-structured active metal oxide layer having a sensitizer dye adsorbed thereon. In one embodiment, a microlens array comprising a plurality of microlens elements is disposed between the electrodes, and preferably between a transparent substrate of the anodic electrode and active metal oxide layer for dispersing light incident on the substrate to the active oxide layer. In some embodiments, the microlens elements may be convex or concave in configuration. The microlens array improves solar conversion efficiency of the solar cell. A method for forming a microlens array is further provided.
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