Research & Development

Perovskites thrive under pressure

Scientists in the U.S. and Nigeria have studied the effects of pressure on perovskite solar cell production and found the correct application could improve cell efficiency by as much as 40% (relative). Push them too hard though, and they crack.
Mark Hutchins
By
Mark Hutchins
Worcester Polytechnic Institute collaborated with the African University of Science and Technology to test the effects of pressure in perovskite cell production. | Image: Runningonbrains/Wikimedia Commons

From pv magazine International

Scientists are yet to settle on the optimal fabrication method for perovskite solar cells despite a variety of candidates.

Researchers from Nigeria’s African University of Science and Technology (AUST), working with staff from Worcester Polytechnic Institute in the U.S., have suggested another novel method. Inspired by previous work on other organic thin-film solar cell materials, the group investigated the effects of pressure on perovskite cell production by using computational analysis and practical experimentation. A previous study at Brown University, in Rhode Island, showed how the correct application of stress could heal cracks in perovskite solar cells but little information is available about how pressure could be applied to production processes.

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