Presentation + Paper
14 September 2018 Ultra-high luminescence efficiency as a technology enabler: solar cells, thermophotovoltaics, and optoelectronic refrigerators
T. Patrick Xiao, Eli Yablonovitch
Author Affiliations +
Abstract
To approach the Shockley-Queisser limit, a solar cell must embody the principles of efficient light-emitting diode (LED) design. Here we describe how ultra-high luminescence efficiency, both internal and external, is the basis for the present efficiency records in solar energy conversion. These developments have provided an impetus for new energy technologies, which rely on the same design strategies to reach their theoretical limits. Thermophotovoltaics, the conversion of terrestrially produced thermal radiation to electricity, can now approach >50% efficiency. Ultra-efficient photovoltaics and LEDs also enable optoelectronic refrigerators with the potential to surpass other methods of solid-state cooling in energy efficiency.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. Patrick Xiao and Eli Yablonovitch "Ultra-high luminescence efficiency as a technology enabler: solar cells, thermophotovoltaics, and optoelectronic refrigerators", Proc. SPIE 10758, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XV, 107580H (14 September 2018); https://doi.org/10.1117/12.2325461
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KEYWORDS
Light emitting diodes

Luminescence

Solar cells

Optoelectronics

Gallium arsenide

Reflectivity

Solar energy

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