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. 2015 Sep 2;5:13536. doi: 10.1038/srep13536

Figure 2. Nanostructures can reduce the mismatch between absorption and emission angles.

Figure 2

(a) A traditional planar solar cell with concentrator increases Ωabs to approach Ωemit, thus reducing the entropy generation caused by their mismatch. (b) Similarly, a nanostructured solar cell can reduce the difference between Ωabs and Ωemit.