Ferroic halide perovskite optoelectronics

Y Liu, D Kim, AV Ievlev, SV Kalinin… - Advanced Functional …, 2021 - Wiley Online Library
Metal halide perovskites (MHPs) as one of the most active materials gained tremendous
attention in the past decade because of their outstanding performance in optoelectronics …

Secondary ion mass spectrometry (SIMS) for chemical characterization of metal halide perovskites

Y Liu, M Lorenz, AV Ievlev… - Advanced Functional …, 2020 - Wiley Online Library
Metal halide perovskite (MHP) solar cells have attracted much attention due to the rapidly
growing power conversion efficiency that has reached 25.2% in a decade, comparable to …

Exploring the relationship of microstructure and conductivity in metal halide perovskites via active learning-driven automated scanning probe microscopy

Y Liu, J Yang, RK Vasudevan, KP Kelley… - The Journal of …, 2023 - ACS Publications
Electronic transport and hysteresis in metal halide perovskites (MHPs) are key to the
applications in photovoltaics, light emitting devices, and light and chemical sensors. These …

Disentangling electronic transport and hysteresis at individual grain boundaries in hybrid perovskites via automated scanning probe microscopy

Y Liu, J Yang, BJ Lawrie, KP Kelley, M Ziatdinov… - ACS …, 2023 - ACS Publications
Underlying the rapidly increasing photovoltaic efficiency and stability of metal halide
perovskites (MHPs) is the advancement in the understanding of the microstructure of …

[HTML][HTML] Benign ferroelastic twin boundaries in halide perovskites for charge carrier transport and recombination

X Xiao, W Li, Y Fang, Y Liu, Y Shao, S Yang… - Nature …, 2020 - nature.com
Grain boundaries have been established to impact charge transport, recombination and thus
the power conversion efficiency of metal halide perovskite thin film solar cells. As a special …

Hysteretic ion migration and remanent field in metal halide perovskites

Y Liu, N Borodinov, M Lorenz, M Ahmadi… - Advanced …, 2020 - Wiley Online Library
The gap in understanding how underlying chemical dynamics impact the functionality of
metal halide perovskites (MHPs) leads to the controversy about the origin of many …

[HTML][HTML] Learning the right channel in multimodal imaging: automated experiment in piezoresponse force microscopy

Y Liu, RK Vasudevan, KP Kelley, H Funakubo… - npj Computational …, 2023 - nature.com
We report the development and experimental implementation of the automated experiment
workflows for the identification of the best predictive channel for a phenomenon of interest in …

Ferroelasticity mediated energy conversion in strained perovskite films

Y Jiao, S Qin, B Li, W Hao, Y Wang, H Li… - Advanced Electronic …, 2022 - Wiley Online Library
Metal halide perovskites (MHPs) have been shown to be key materials for next‐generation
photovoltaic energy harvesting, electro‐optic detection, and all‐optical conversion. Room …

Ferroelastic Domains Enhanced the Photoelectric Response in a CsPbBr3 Single-Crystal Film Detector

X Zhang, D Zhao, X Liu, R Bai, X Ma, M Fu… - The Journal of …, 2021 - ACS Publications
The ferroic domain, in metal halide perovskites (MHPs) at a low symmetry phase, was
reported to affect optoelectronic properties. Building the relationship between ferroic …

Benign effects of twin boundaries on charge carrier lifetime in metal halide perovskites by a time-domain study

X Zhao, R Long - The Journal of Physical Chemistry Letters, 2021 - ACS Publications
Experiments show that two-dimensional twin boundaries (TBs) defects are benign to the
excited-state lifetime of metal halide perovskites and solar cells performance. However, the …