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PI Physik Instrumente - Revolution In Photonics Align LW LB 3/24

Closing in on Carbon Solar Cells

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BLOOMINGTON, Ind., April 15, 2010 — By attaching what amounts to a 3-D bramble patch to each side of a carbon sheet, scientists say they were able to dissolve sheets containing as many as 168 carbon atoms to make large stable graphene sheets available for light collection. "Our interest stems from wanting to find an alternative, readily available material that can efficiently absorb sunlight," said Liang-shi Li, a chemist at the Indiana University Bloomington who led the research. "At the moment the most common materials for absorbing light in solar cells are silicon and compounds containing ruthenium. Each has...Read full article

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    Published: April 2010
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    168 carbon atoms3-D sidegroupAmerican Chemical Society Petroleum Research FUndAmericasBinsong Licarbon sheetscarbon-based solar cellsenergygraphene solutiongraphitegreen photonicshexagonal carbon ringIndianaIndiana University BloomingtonLiang-shi Lilight acceptorLight CollectionnanoNational Science FoundationResearch & Technologyrutheniumsiliconstable graphene sheetstitanium dioxideXiao CuiXin Yan

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