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Luis Campos: Electron-Doubling Agent

When organic materials chemist Luis Campos was growing up, his mother, who worked at a biochemistry lab, told him he could become anything he wanted—as long as it wasn’t a couch potato. He has not disappointed. Campos is one of the most talented young organic chemists in academia, says his postdoc adviser, materials mastermind Craig Hawker of the University of California, Santa Barbara. “He’s a trailblazer,” Hawker says. Even the molecules and materials Campos and his team develop overachieve. For example, his lab has created light-responsive materials that generate two pairs of charge-carriers when struck by a single photon. Conventional solar cells, by contrast, generate at most one pair of charge-carriers per photon. The two-for-one materials could translate into organic solar cells that better convert sunlight into electricity. These solar cells can be easily made by printing organic materials directly onto low-cost substrates, such as plastics, which means they can