http://www.livescience.com/php/multimedia/imagedisplay/img_display.php?s\ =technology&c=&l=on&pic=080710-solar-cell-02.jpg&cap=An+artist%27s+repre\ sentation+shows+how+a+cost+effective+solar+concentrator+could+help+make+\ existing+solar+panels+more+efficient.+The+dye-based+luminescent+solar+co\ ncentrator+functions+without+the+use+of+tracking+or+cooling+systems%2C+g\ reatly+reducing+the+overall+cost+compared+to+other+concentrator+technolo\ gy.+Dye+molecules+coated+on+glass+absorb+sunlight%2C+and+re-emit+it+at+a\ +different+wavelengths.+The+light+is+trapped+and+transported+within+the+\ glass+until+it+is+captured+by+solar+cells+at+the+edge.+Some+light+passes\ +through+the+concentrator%2C+and+is+absorbed+by+lower+voltage+solar+cell\ s+underneath.+Graphic+not+to+scale.+Credit%3A+Nicolle+Rager+Fuller%2C+NS\ F&title <http://www.livescience.com/php/multimedia/imagedisplay/img_display.php?\ s=technology&c=&l=on&pic=080710-solar-cell-02.jpg&cap=An+artist%27s+repr\ esentation+shows+how+a+cost+effective+solar+concentrator+could+help+make\ +existing+solar+panels+more+efficient.+The+dye-based+luminescent+solar+c\ oncentrator+functions+without+the+use+of+tracking+or+cooling+systems%2C+\ greatly+reducing+the+overall+cost+compared+to+other+concentrator+technol\ ogy.+Dye+molecules+coated+on+glass+absorb+sunlight%2C+and+re-emit+it+at+\ a+different+wavelengths.+The+light+is+trapped+and+transported+within+the\ +glass+until+it+is+captured+by+solar+cells+at+the+edge.+Some+light+passe\ s+through+the+concentrator%2C+and+is+absorbed+by+lower+voltage+solar+cel\ ls+underneath.+Graphic+not+to+scale.+Credit%3A+Nicolle+Rager+Fuller%2C+N\ SF&title> = [Non-text portions of this message have been removed]
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