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Spectroscopy Helps Capture Charge Transfer in Solar Cells

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OLDENBURG, Germany, MODENA, Italy, and MILAN, June 6, 2014 — Ultrafast spectroscopy has allowed physicists, for the first time, to observe and capture the light-to-current conversion process in an organic solar cell as it happens. The quantum-mechanical nature of electrons and their coupling to nuclei is fundamentally important for the charge transfer in organic photovoltaic devices, according to the study, which was conducted by researchers at the University of Oldenburg, the University of Modena and the Polytechnic University of Milan. Quantum simulation of a portion of an organic solar cell. The wavelike oscillations of an electron are...Read full article

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    Published: June 2014
    Glossary
    fullerenes
    Molecules composed entirely of carbon, in the form of a hollow sphere, ellipsoid or tube. Also called buckyballs. Cylindrical fullerenes are called carbon nanotubes or buckytubes.
    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.
    Basic ScienceenergyEuropefemtosecondfullerenesGermanyItalylight pulsesLight SourcesMaterialsnanoorganic solar cellphotovoltaicsPolytechnic University of MilanResearch & TechnologysimulationsspectroscopyUniversity of Oldenburglight-to-current conversioncharge transferthe University of Modenaconjugated polymersChristoph LienauvibronicsItalian National Research CouncilUniversity of Modena

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