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28 March 2018 All-optical augmentation of solar cells using a combination of up- and downconversion
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Abstract
The limiting efficiency of a solar cell enhanced by both up- and downconversion is calculated to be 44.6% under one sun illumination using a detailed balance formalism. We show that solar cells are enhanced by both spectral conversion and photon recycling. This device architecture has the advantage of being able to enhance existing technologies after relatively few modifications. Importantly, we show that this device architecture’s limiting efficiency peaks close to the band gap of silicon, unlike other spectral converters with three absorbing thresholds.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 1947-7988/2018/$25.00 © 2018 SPIE
Murad J. Y. Tayebjee, Akshay Rao, and Timothy W. Schmidt "All-optical augmentation of solar cells using a combination of up- and downconversion," Journal of Photonics for Energy 8(2), 022007 (28 March 2018). https://doi.org/10.1117/1.JPE.8.022007
Received: 19 January 2018; Accepted: 8 March 2018; Published: 28 March 2018
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