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Contact: William Raillant-Clark
University of Montreal

Scientists Discover How Plastic Solar Panels Work

Caption: Three laser beams are needed to record the excited vibrational modes of PCDTBT with the method called femtosecond stimulated Raman spectroscopy. First, the green pulse is absorbed by the polymer, just as sunlight would be in a solar cell, which creates the excited state. Then, a pair of infra-red and white pulses probe this excited vibrational mode. Very short pulses of light and precise timing enable an impressive time resolution of less than 300 femtoseconds.

Credit: University of Montreal

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Related news release: Scientists discover how plastic solar panels work

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