Exciton Transport in Perovskite Materials

TJ Sheehan, S Saris, WA Tisdale - Advanced Materials, 2025 - Wiley Online Library
Halide perovskites have emerged as promising materials for a wide variety of optoelectronic
applications, including solar cells, light‐emitting devices, photodetectors, and quantum …

Unraveling the excitonics of light emission from metal-halide perovskite quantum dots

P Kambhampati - Nanoscale, 2024 - pubs.rsc.org
Metal halide semicondictor perovskites have been under intense investigation for their
promise in light absorptive applications like photovoltaics. They have more recently …

All-Perovskite Multicomponent Nanocrystal Superlattices

TV Sekh, I Cherniukh, E Kobiyama, TJ Sheehan… - ACS …, 2024 - ACS Publications
Nanocrystal superlattices (NC SLs) have long been sought as promising metamaterials, with
nanoscale-engineered properties arising from collective and synergistic effects among the …

Identifying Rare Events in Quantum Molecular Dynamics of Nanomaterials with Outlier Detection Indices

B Wang, D Liu, Y Wu, AS Vasenko… - The Journal of Physical …, 2024 - ACS Publications
Nanoscale and condensed matter systems evolve on multiple length-and time-scales, and
rare events such as local phase transformation, ion segregation, defect migration, interface …

A-Cation-Dependent Excited State Charge Carrier Dynamics in Vacancy-Ordered Halide Perovskites: Insights from Computational and Machine Learning Models

PK Nayak, C Mora Perez, D Liu, OV Prezhdo… - Chemistry of …, 2024 - ACS Publications
Lead-free vacancy-ordered halide perovskites (VOHPs) are emerging as promising
materials for environmentally friendly next-generation optoelectronic devices. However, a …

Impact of large A-site cations on electron–vibrational interactions in 2D halide perovskites: Ab initio quantum dynamics

D Dai, S Agrawal, OV Prezhdo, R Long - The Journal of Chemical …, 2024 - pubs.aip.org
Using ab initio nonadiabatic molecular dynamics, we study the effect of large A-site cations
on nonradiative electron–hole recombination in two-dimensional Ruddlesden–Popper …

Phonon-driven wavefunction localization promotes room-temperature, pure single-photon emission in large organic-inorganic lead-halide quantum dots

LG Feld, SC Boehme, S Sabisch, N Frenkel… - arxiv preprint arxiv …, 2024 - arxiv.org
In lead halide perovskites (APbX3), the effect of the A-site cation on optical and electronic
properties has initially been thought to be marginal. Yet, evidence of beneficial effects on …

Exploring Double Perovskites Cs2AgSbX6 (X= Cl, Br, I) as Promising Optoelectronic and Thermoelectric Materials: A First-Principles Study

A Sajjad, M Faizan, TA Alrebdi, G Murtaza… - Physical Chemistry …, 2024 - pubs.rsc.org
Perovskite compounds have been explored well, and found suitable for solar energy as well
as thermoelectric applications. Herein, we present the structural, electronic, optical …

Enhancing Spectral Coverage, Efficiency, and Photometric Accuracy in Ultrafast Fluorescence Upconversion Spectroscopy

M Kapitzke, S Palato, A Raj, T Kumpulainen… - … - Wiley Online Library
Time‐resolved fluorescence techniques are essential for studying the excited‐state
dynamics of molecules and materials, as well as their interactions with the surrounding …