Defects in solar cells made of silicon identified

Jan 4, 2015

Image courtesy of Investigación y Desarrollo

By Science Daily

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 stay 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:

“Working on defects found on silicon and their impact on the efficiency of solar cells made with this material.”

This research is carried out to obtain his doctorate from MIT.

“Dislocation is a defect that occurs at high temperatures, of 500 ° C onwards. In my research I analyze these defects and their impact on the efficiency of solar cells made from silicon, since this material is used in over 90 percent of solar panels worldwide .”


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