Solar cell polymers with multiplied electrical output

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Scientists paired up photovoltaic polymers that produce two units of electricity per unit of light instead of the usual one on a single molecular polymer chain. Having the two charges on the same molecule means the light-absorbing, energy-producing materials work efficiently when dissolved in liquids, which opens the way for a wide range of industrial scale manufacturing processes, including "printing" solar-energy-producing material like ink.77navL4ZdoY