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1 April 2022 Reciprocal space engineering for photon management in ultrathin solar cells
Jeronimo Buencuerpo, Theresa E. Saenz, Mark D. Steger, Michelle Young, John F. Geisz, Emily L. Warren, Myles A. Steiner, Adele C. Tamboli
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Proceedings Volume PC11996, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XI; PC1199609 (2022) https://doi.org/10.1117/12.2616177
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
Using the reciprocal space, two types of structures are simple to identify: simple periodic (photonic crystals), which have high diffractive efficiencies but sparse resonances (narrow-band), and random structures, with a continuous reciprocal space (broadband) but suffering from low diffraction efficiencies. A third type, quasirandom structures, lies in between; these provide high diffractive efficiency over a target wavelength range, which is broader than simple photonic crystals but narrower than a random structure. These structures are promising for ultrathin solar cells due to their broader nature. We present our numerical work towards evolving simple photonic crystals in quasirandom structures, and our fabrication approach based on polymer-blend lithography, with initial results on solar cells.
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Jeronimo Buencuerpo, Theresa E. Saenz, Mark D. Steger, Michelle Young, John F. Geisz, Emily L. Warren, Myles A. Steiner, and Adele C. Tamboli "Reciprocal space engineering for photon management in ultrathin solar cells", Proc. SPIE PC11996, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XI, PC1199609 (1 April 2022); https://doi.org/10.1117/12.2616177
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KEYWORDS
Solar cells
Aerospace engineering
Photonic crystals
Gallium arsenide
Absorption
Diffusion
Numerical analysis
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