I greatly appreciate the responses and can see now that this article was way overhyped. Perhaps the most glaring example is the fifth paragraph:
"The nanoantennas absorb a targeted wavelength range of mid-infrared rays. The Earth continuously emits these rays thanks to the solar energy that...
http://tinyurl.com/6fptha
The new solar cell in the link appears to violate the Second Law of Thermodynamics. It extracts energy and cools in a uniform temperature environment according to how I understand the article. Can someone explain why it doesn't? (I have no idea.)