Mechanism of pressure-induced phase transitions, amorphization, and absorption-edge shift in photovoltaic methylammonium lead iodide

M Szafranski, A Katrusiak - The journal of physical chemistry …, 2016 - ACS Publications
Our single-crystal X-ray diffraction study of methylammonium lead triiodide, MAPbI3,
provides the first comprehensive structural information on the tetragonal phase II in the …

Pressure-induced structural evolution and band gap shifts of organometal halide perovskite-based methylammonium lead chloride

L Wang, K Wang, G Xiao, Q Zeng… - The journal of physical …, 2016 - ACS Publications
Organometal halide perovskites are promising materials for optoelectronic devices. Further
development of these devices requires a deep understanding of their fundamental structure …

Pressure-induced effects in organic–inorganic hybrid perovskites

P Postorino, L Malavasi - The journal of physical chemistry letters, 2017 - ACS Publications
In this Perspective, we provide an overview of the pressure-induced effects on hybrid
organic–inorganic perovskite for photovoltaics applications. It is shown that a fine-tuning of …

Isostructural Second-Order Phase Transition of β-Bi2O3 at High Pressures: An Experimental and Theoretical Study

ALJ Pereira, JA Sans, R Vilaplana… - The Journal of …, 2014 - ACS Publications
We report a joint experimental and theoretical study of the structural and vibrational
properties of synthetic sphaerobismoite (β-Bi2O3) at high pressures in which room …

Spin phonon interactions and magnetodielectric effects in multiferroic BiFeO3–PbTiO3

R Katoch, CD Sekhar, V Adyam, JF Scott… - Journal of Physics …, 2016 - iopscience.iop.org
Here, we report the observation of magneto-dielectric and magneto-structural coupling in
(1− x) BiFeO 3–xPbTiO 3 ie (1− x) BF–xPT) solid solutions with compositions in the vicinity of …

Optical Behaviors of a Microsized Single-Crystal MAPbI3 Plate under High Pressure

C Liu, Z Li, L Yang, X Yao, H Li, X Liu… - The Journal of …, 2019 - ACS Publications
The correlation between the crystal structure and the optoelectrical property of
methylammonium lead iodide (MAPbI3) is investigated by measuring the optical absorption …

Iso-structural phase transition in tetramethylammonium nickel (II) nitrite [(CH3) 4N][Ni (NO2) 3]

LH Kong, DW Fu, Q Ye, HY Ye, Y Zhang… - Chinese Chemical …, 2014 - Elsevier
The title compound, tetramethylammonium nickel nitrite [(CH 3) 4 N][Ni (NO 2) 3], has a
hexagonal perovskite-type structure with formula ABX 3. It undergoes two reversible phase …

High-pressure transformations and the resonance structure of thiourea

H Tomkowiak, A Katrusiak - The Journal of Physical Chemistry C, 2018 - ACS Publications
High pressure increases intermolecular interactions in the crystal environment and affects
the molecular dimensions of thiourea, CS (NH2) 2, consistently with changing contributions …

Iso-structural phase transition in YMnO3 nanosized particles

S Tripathi, V Petkov - Applied Physics Letters, 2013 - pubs.aip.org
Structure studies on multiferroic YMnO 3 particles with size varying between 467±42 nm
(bulk) and 28±3 nm was carried out using high-energy synchrotron x-ray diffraction. Analysis …

Comment on “1, 4-Diazabicyclo [2.2. 2] octane-based disalts showing non-centrosymmetric structures and phase transition behaviors” by X.-B. Han, P. Hu, C. Shi and …

M Szafrański - CrystEngComm, 2017 - pubs.rsc.org
This Letter is in response to a paper by Han et al.(CrystEngComm, 2016, 18, 1563–1569) on
the structures and isostructural phase transitions in (dabcoH2)(BF4) 2· H2O and …