Plasmonic nanoparticle future technology will give boost to cheaper and lighter solar cells

The researchers have managed to use colloidal quantum dots to produce cheaper and lighter solar cells. These colloidal nanoparticles could be easily used in paint and sprays and directly sprayed or painted on roofs and other surface. This is a very promising technology that will  influence future researches. Because of the fact that the regular solar cells don't use the infrared part of solar spectrum, the scientists are experimenting with plasmonic nanoparticles that will create additional energy and boost the solar cells. Concerning the fact that half of the solar energy that reaches the Earth is in infrared spectrum, this will provide the future plasmonic solar cells with a boost and increase their efficiency while maintaining lower prices. 

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http://www.techtimes.com/articles/8274/20140611/nanoparticle-innovation-promises-cheaper-lighter-solar-cells.htm