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“Fool’s gold” is pretty smart for solar cells

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Marie Freebody, Contributing Editor, [email protected]

Fool’s gold may not live up to its name after all. Iron pyrite – aka iron sulfide – has been mistakenly overlooked as an efficient solar cell material for too long, according to researchers at Oregon State University in Corvallis, who took a closer look at its properties and uncovered a promising alternative to today’s thin-film materials. Today’s thin-film solar cells are dominated by copper indium gallium selenide and cadmium telluride, which demonstrate efficiencies greater than 10 percent. But because the toxicity of cadmium and the scarcity of indium...Read full article

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    Published: February 2012
    Advanced Energy MaterialsBasic Sciencecadmium tellurideCopper Indium Gallium SelenideDouglas KeszlerenergyFe2GeS4Fe2SiS4Fool’s GoldGreenLightinverse designiron germanium sulfideIron Pyriteiron silicon sulfideKeszlerMarie FreebodyMaterials & ChemicalsNational Renewable Energy LabOpticsOregon State Universitysolar cellsUniversity of Colorado

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