Researcher identifies defects in solar cells made of silicon

Since he was a teenager, engineer Sergio Castellanos had the desire to study abroad to prepare and do research in the best laboratories, particularly on solar energy. With six years of study in the United States, first at the University of Arizona and now at the Massachusetts Institute of Technology (MIT) in Boston, his dream has come true: "I am working on defects found on silicon and their impact on the efficiency of solar cells made with this material," he says. This research is toward his doctorate from MIT.

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