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-sci2018
Residual Nanoscale Strain in Cesium Lead Bromide Perovskite Reduces Stability and Alters Local Band Gap
Xueying Li, Yanqi Luo, Martin Holt +2
Using nanoprobe X-ray diffraction microscopy, we investigate the relationship between residual strains from crystal growth in CsPbBr thin film crystals, their stability, and lo…
cond-mat.mtrl-sci2018
Homogenization of Halide Distribution and Carrier Dynamics in Alloyed Organic-Inorganic Perovskites
Juan-Pablo Correa-Baena, Yanqi Luo, Thomas M. Brenner +15
Perovskite solar cells have shown remarkable efficiencies beyond 22%, through organic and inorganic cation alloying. However, the role of alkali-metal cations is not well-understoo…