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In two new MIT classes, undergraduate students learned the fundamentals of nanotechnology through hands-on assignments that taught them to design, build, and test their own nanoscale devices using the facilities of MIT.nano.
Abstract Perovskite solar cells (PSC) are expected to make a market entrance soon but efforts devoted to reducing the production cost are still highly desirable. For that purpose, recent development of PSC has started to shift direction towards high-humidity processing to remove the use of inert gas filled-environment. However, fabrication of PSC in high-humidity condition is a challenging task as the presence of moisture considerably alters the growth kinetics of perovskite layer during film fabrication stage resulting in imperfect surface coverage and rough film. Therefore, this work demons...