Novel formamidinium lead iodide perovskite n-type transistors have notable field-effect mobilities

https://techxplore.com/news/2024-05-formamidinium-iodide-perovskite-transistors-notable.html

"field-effect mobilities of up to 33 cm2 V−1 s−1 measured in continuous bias mode... ..strain relaxation of perovskite lattice using methylammonium chloride additive, undercoordinated lead suppression through tetramethylammonium fluoride multidentate anchoring, stabilizing alpha phase, balancing strain, improving surface morphology, crystallinity, orientation... low-defect perovskite–dielectric interfaces, good electron mobilities, negligible hysteresis, high operational stability... unipolar inverters, 11-stage ring oscillators"