3 papers
cond-mat.mtrl-sci2020
Imaging real-time amorphization of hybrid perovskite solar cells under electrical biasing
Min-cheol Kim, Namyoung Ahn, Diyi Cheng +11
Perovskite solar cells have drawn much attention in recent years, owing to its world-record setting photovoltaic performances. Despite its promising use in tandem applications and…
cond-mat.mtrl-sci2020
Unveiling the Stable Nature of the Solid Electrolyte Interphase between Lithium Metal and LiPON via Cryogenic Electron Microscopy
Diyi Cheng, Thomas Andrew Wynn, Xuefeng Wang +11
The solid electrolyte interphase (SEI) is regarded as the most complex but the least understood constituent in secondary batteries using liquid and solid electrolytes. The nanostru…
cond-mat.mtrl-sci2018
Decrystallization of CH3NH3PbI3 perovskite crystals via polarity dependent localized charges
Min-cheol Kim, Namyoung Ahn, Eunhak Lim +6
Despite soaring performance of organic-inorganic hybrid perovskite materials in recent years, the mechanism of their decomposition at actual operation condition has been elusive. H…