Light Management

Analysis of prismatic bioinspired texturing of the surface of a silicon solar cell for enhanced light-coupling efficiency

[+] Author Affiliations
Francesco Chiadini

University of Salerno, Department of Electronic and Computer Engineering, Ponte Don Melillo, Fisciano (SA), 84084, Italy

Vincenzo Fiumara

University of Basilicata, Department of Environmental Engineering and Physics, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy

Antonio Scaglione

University of Salerno, Department of Electronic and Computer Engineering, Ponte Don Melillo, Fisciano (SA), 84084, Italy

Akhlesh Lakhtakia

Pennsylvania State University, Department of Engineering Science and Mechanics, NanoMM—Nanoengineered Metamaterials Group, University Park, Pennsylvania 16802-6812

J. Photon. Energy. 3(1), 034599 (Jan 23, 2013). doi:10.1117/1.JPE.3.034599
History: Received May 23, 2012; Revised December 13, 2012; Accepted January 3, 2013
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Abstract.  Investigating the use of prismatic lenses with cross-sectional shapes inspired by the apposition compound eyes of some dipterans, we found through numerical simulations that the exposed surfaces of silicon solar cells should be textured as arrays of bioinspired compound lenses in order to improve performance. We +used a ray-tracing algorithm to evaluate the light-coupling efficiency over a large and relevant portion of the solar spectrum and determined the array configuration that maximizes the coupling of light. Our simulation results show that the light-coupling efficiency can be significantly enhanced with respect to that of a silicon cell with a flat surface.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Francesco Chiadini ; Vincenzo Fiumara ; Antonio Scaglione and Akhlesh Lakhtakia
"Analysis of prismatic bioinspired texturing of the surface of a silicon solar cell for enhanced light-coupling efficiency", J. Photon. Energy. 3(1), 034599 (Jan 23, 2013). ; http://dx.doi.org/10.1117/1.JPE.3.034599


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