Spectrolab
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Through Solar cell, Entrepreneurship and Solar panel
The company states its "NeXt Triple Junction" high efficiency solar cells have a minimum average efficiency of 29.5% to AIAA-2005-111 and AIAA-2005-112 requirements. In 2006 testing at the National Renewable Energy Laboratory demonstrated an efficiency of 40.7% using triple-junction solar cells developed by Spectrolab under concentration.
In 2013, testing at the National Renewable Energy Laboratory demonstrated an efficiency of 38.7% without concentration, a new world record at the time.
Spectrolab claims to have manufactured over 4 million space qualified multi-junction solar cells or solar panels to the industry as of 2013.
Spectrolab has recently geared its highly efficient space solar cell technology for terrestrial purposes with great success using concentrators. Spectrolab's terrestrial concentrating cell boasts greater than 30% AM1.5D min. avg. efficiency from 200 to 400 Suns concentration in production.
Solar Cells
The company's ultra triple junction solar cells use exotic materials like germanium, InGaP2, and gallium arsenide to achieve their efficiency.