Efficient Strategy to Obtain High-Quality Perovskite Single Crystals
Multiple-cation and mixed halide (FAMACs) perovskites developed by adding Br/MA/Cs ions into the FAPbI
3 perovskites are known to be the ideal compositions for use in high-efficiency photovoltaic and photoelectronic devices thanks to their reduced hysteresis, suppressed ion migration, and improved stability.
Inch-sized high-quality perovskite single crystals formed by suppressing the phase segregation for applications in light-powered integrated circuits. Image Credit: Dalian Institute of Chemical Physics.
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But the actual composition, specifically the content of Cs in FAMACs perovskites, for sophisticated devices reported by various research groups, has not been so consistent.
CHICAGO (WLS) While most of us are familiar with rats, another version of rodent is unexpectedly increasing in numbers and captivating residents of the Chicago area during the pandemic: beavers.
Most city dwellers are used to seeing rats, and the Chicago Department of Streets and Sanitation even said there have been an increase in calls requesting rodent abatement in 2020.
But as the
Chicago Tribune first reported, beavers often went unnoticed until the COVID-19 pandemic brought everything to a standstill. I don t know if you ever saw a beaver, but you are not expecting them, they just look like a big rodent, said Zach Selch of Evanston.