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PI Physik Instrumente - Revolution In Photonics Align ROSLB 3/24

Solar Material Produces ‘Twin’ Charges on Single Molecules

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UPTON, N.Y., Jan. 12, 2015 — A new polymer solar cell seeks to achieve lower thermal loss by producing two charge carriers per molecule rather than one. The materials were designed and synthesized by a Columbia University research team, then analyzed using time-resolved optical spectroscopy at Brookhaven National Laboratory. The research team said devices based on this charge multiplication concept — called singlet fission — have the potential to break through the upper limit on the efficiency of single-junction solar cells, which is around 34 percent. “Even though we have demonstrated the...Read full article

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    Published: January 2015
    Research & TechnologyspectroscopyAmericasNew YorkBrookhaven National Laboratorytime-resolved optical spectroscopysolarMatthew SfeirLuis CamposColumbia Universitythermal loss

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