Progress toward stable lead halide perovskite solar cells

LK Ono, Y Qi, SF Liu - Joule, 2018 - cell.com
With the rapid developments in lead halide perovskite solar cell technology, record-high
power conversion efficiencies have been achieved, and significant research efforts have …

Temperature-Dependent Optical Band Gap in CsPbBr3, MAPbBr3, and FAPbBr3 Single Crystals

G Mannino, I Deretzis, E Smecca… - The journal of …, 2020 - ACS Publications
Single crystals represent a benchmark for understanding the bulk properties of halide
perovskites. We have indeed studied the dielectric function of lead bromide perovskite …

Research progress on organic–inorganic halide perovskite materials and solar cells

LK Ono, Y Qi - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
Owing to the intensive research efforts across the world since 2009, perovskite solar cell
power conversion efficiencies (PCEs) are now comparable or even better than several other …

Pb clustering and PbI2 nanofragmentation during methylammonium lead iodide perovskite degradation

A Alberti, C Bongiorno, E Smecca, I Deretzis… - Nature …, 2019 - nature.com
Studying defect formation and evolution in MethylAmmonium lead Iodide (MAPbI3)
perovskite layers has a bottleneck in the softness of the matter and in its consequent …

Organic cation rotation and immobilization in pure and mixed methylammonium lead-halide perovskites

O Selig, A Sadhanala, C Muller… - Journal of the …, 2017 - ACS Publications
Three-dimensional lead-halide perovskites have attracted a lot of attention due to their
ability to combine solution processing with outstanding optoelectronic properties. Despite …

Stability and degradation in hybrid perovskites: is the glass half-empty or half-full?

I Deretzis, E Smecca, G Mannino… - The Journal of …, 2018 - ACS Publications
Methylammonium lead iodide (CH3NH3PbI3) is an extensively used perovskite material
with a remarkable potential for solar energy conversion. Despite its high photovoltaic …

Ferroelectricity-free lead halide perovskites

A Gómez, Q Wang, AR Goñi… - Energy & …, 2019 - pubs.rsc.org
Direct piezoelectric force microscopy (DPFM) is employed to examine whether or not lead
halide perovskites exhibit ferroelectricity. Compared to conventional piezoelectric force …

Universal rules for visible-light absorption in hybrid perovskite materials

M Kato, T Fujiseki, T Miyadera, T Sugita… - Journal of Applied …, 2017 - pubs.aip.org
A variety of organic-inorganic hybrid perovskites (APbX3) consisting of mixed center cations
[A¼CH3NH3 þ, HC (NH2) 2 þ, and Csþ] with different PbX3 À cages (X¼I, Br, and Cl) have …

Critical fluctuations and anharmonicity in lead iodide perovskites from molecular dynamics supercell simulations

MA Carignano, SA Aravindh, IS Roqan… - The Journal of …, 2017 - ACS Publications
We present a systematic study based on first-principles molecular dynamics simulations of
lead iodide perovskites with three different cations, including methylammonium (MA) …

Connecting the solution chemistry of PbI 2 and MAI: A cyclodextrin-based supramolecular approach to the formation of hybrid halide perovskites

S Masi, F Aiello, A Listorti, F Balzano, D Altamura… - Chemical …, 2018 - pubs.rsc.org
The evolution from solvated precursors to hybrid halide perovskite films dictates most of the
photophysical and optoelectronic properties of the final polycrystalline material. Specifically …