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Hamamatsu Corp. - Earth Innovations LB 2/24

Watching Electrons on the Move

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Spectroscopic method could lead to improved polymers for solar cells.

Hank Hogan

Using ultrafast infrared spectroscopy, researchers at Pennsylvania State University in University Park have observed electrons moving in real time through a polymer blend, possibly pointing the way to more efficient organic solar cells. The group found that the mobility of the electrons in the polymer blend was less than a tenth of what it could be. The right polymer construction, therefore, might increase mobility, thereby leading to improved performance. “Higher carrier mobilities would enable organic solar cells to operate as efficiently under full sun exposure as they do under reduced...Read full article

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    Published: February 2008
    Basic Scienceenergyorganic solar cellspolymer blendResearch & TechnologySensors & DetectorsTech Pulseultrafast infrared spectroscopy

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