(IMAGE)

Okinawa Institute of Science and Technology (OIST) Graduate University

Caption

a) 105°C in air b) 115°C in air, c) 125°C in air, d) 105°C in Nitrogen, e) 115°C in nitrogen, and f) 125°C in nitrogen. Grain sizes on perovskite films are larger when prepared in air between 105 to 125 degrees centigrade than in a nitrogen atmosphere.

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OIST

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