Title :
Microphotonic spectrum-splitting & concentration for high-efficiency photovoltaics
Author :
Mohammad, Nabil ; Peng Wang ; Friedman, Daniel J. ; Ramanathan, Kannan ; Mansfield, Lorelle ; Menon, Rajesh
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT, USA
Abstract :
We present a diffractive microphotonic element that can split solar spectrum into 2 or more spectral bands, and concentrate these bands onto optimal absorbers. We experimentally demonstrated an increase in output power of 35% with a 3-band configuration.
Keywords :
diffractive optical elements; light absorption; micro-optics; solar absorber-convertors; solar cells; diffractive microphotonic element; high-efficiency photovoltaics; microphotonic solar spectrum-splitting; optical absorbers; Nonlinear optics; Optical device fabrication; Optical diffraction; Photovoltaic systems;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
