Forget solar panels, optical ‘rectenna’ converts light directly to electricity

Energy from light !

Watts Up With That?

From Georgia Tech, a news release that we missed when it first came out, but still well worth talking about.

First Optical Rectenna – Combined Rectifier and Antenna – Converts Light to DC Current

Using nanometer-scale components, researchers have demonstrated the first optical rectenna, a device that combines the functions of an antenna and a rectifier diode to convert light directly into DC current.

This schematic shows the components of the optical rectenna developed at the Georgia Institute of Technology. (Credit: Thomas Bougher, Georgia Tech) This schematic shows the components of the optical rectenna developed at the Georgia Institute of Technology. (Credit: Thomas Bougher, Georgia Tech)

Based on multiwall carbon nanotubes and tiny rectifiers fabricated onto them, the optical rectennas could provide a new technology for photodetectors that would operate without the need for cooling, energy harvesters that would convert waste heat to electricity – and ultimately for a new way to efficiently capture solar energy.

In the new devices, developed by engineers at the Georgia Institute of Technology, the carbon…

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modilanto

making paintings/illustration in vectors and pixel also on yoors website

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