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Color Conversion for Better Efficiency

Posted November 13, 2006 4:00 PM
Pathfinder Tags: clean energy green energy photovoltaics solar power

By combining two light-active substances, researchers at the Max Planck Institute and Sony have succeeded in converting the longer wavelengths in sunlight into the more energetic shorter wavelengths. In solar cells, which cannot make use of the longer wavelengths, the application of this color conversion could improve the efficiency of solar power generation.

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user-deleted-13
Guru

Join Date: Sep 2006
Posts: 4513
Good Answers: 88
#1

Re: Color Conversion for Better Efficiency

11/14/2006 3:55 PM

Wonder why this made the news. I distinctly recall reading about conversion techniques like this in the 1970s.

-e
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vikas
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Join Date: Aug 2007
Posts: 548
#3
In reply to #1

Re: Color Conversion for Better Efficiency

11/13/2007 2:10 PM

..........this is called history repeats itself............
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Hottech
Power-User

Join Date: Nov 2006
Location: Canada
Posts: 336
Good Answers: 5
#2

Re: Color Conversion for Better Efficiency

11/28/2006 11:49 AM

Sunlight should pass first through a wavelength separator (e.g. a prism) before reaching the converter and then the solar cell. For this reason I do not see an application of this technology in solar PV. For artificial light PV could be interesting.

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