Light Management

Spectral separation of sunlight for enhanced operability of photovoltaic cells

[+] Author Affiliations
Ohad Fixler, Netanel Bar-David, Zeev Zalevsky

Bar-Ilan University, School of Engineering, Ramat-Gan, Israel 52900

J. Photon. Energy. 1(1), 015501 (January 27, 2011). doi:10.1117/1.3534004
History: Received June 12, 2010; Revised October 22, 2010; Accepted November 08, 2010; Published January 27, 2011; March 09, 2011
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We address a passive sunlight concentration system containing optical waveguides that connect the optical module with the photovoltaic (PV) cells. We propose to realize pseudorandom structures along the interface between the core and the cladding of the optical waveguide such that different spectral components of the collected sunlight's radiation will be spatially separated. Different types of PV cells with engineered bandgaps are used for each such spatial region and, by that, improve the energetic efficiency at which the photons are converted into electrons.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Ohad Fixler ; Netanel Bar-David and Zeev Zalevsky
"Spectral separation of sunlight for enhanced operability of photovoltaic cells", J. Photon. Energy. 1(1), 015501 (January 27, 2011). ; http://dx.doi.org/10.1117/1.3534004


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