A high energy conversion efficiency and a low fabrication cost are required to make the widespread implementation of solar cells attractive. Researchers are striving to enhance cell performance by developing heterojunction techniques, introducing photonic-crystal structures and proposing new device designs.
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Horiuchi, N. Strive for efficiency. Nature Photon 8, 431–432 (2014). https://doi.org/10.1038/nphoton.2014.130
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DOI: https://doi.org/10.1038/nphoton.2014.130