Charge transport in organic semiconductors: the perspective from nonadiabatic molecular dynamics

S Giannini, J Blumberger - Accounts of Chemical Research, 2022 - ACS Publications
Conspectus Organic semiconductors (OSs) are an exciting class of materials that have
enabled disruptive technologies in this century including large-area electronics, flexible …

Exciton transport in molecular organic semiconductors boosted by transient quantum delocalization

S Giannini, WT Peng, L Cupellini, D Padula… - Nature …, 2022 - nature.com
Designing molecular materials with very large exciton diffusion lengths would remove some
of the intrinsic limitations of present-day organic optoelectronic devices. Yet, the nature of …

Disorder-Induced Transition from Transient Quantum Delocalization to Charge Carrier Hop** Conduction in a Nonfullerene Acceptor Material

L Stojanović, J Coker, S Giannini, G Londi, AS Gertsen… - Physical Review X, 2024 - APS
Nonfullerene acceptors have caused a step change in organic optoelectronics research but
little is known about the mechanism and factors limiting charge transport in these molecular …

Exciton dissociation in a model organic interface: Excitonic state-based surface hop** versus multiconfigurational time-dependent hartree

WT Peng, D Brey, S Giannini… - The Journal of …, 2022 - ACS Publications
Quantum dynamical simulations are essential for a molecular-level understanding of light-
induced processes in optoelectronic materials, but they tend to be computationally …

3D Radial Junctions for Robust and Flexible Optoelectronics

S Zhang, L Yu - Advanced Optical Materials, 2024 - Wiley Online Library
Marrying nanostructures with thin films is a recent trend in flexible optoelectronics to improve
light trap** and mechanical stability. Radial junction (RJ) a‐Si: H thin film optoelectronics …

Even a little delocalization produces large kinetic enhancements of charge-separation efficiency in organic photovoltaics

D Balzer, I Kassal - Science Advances, 2022 - science.org
In organic photovoltaics, charges can separate efficiently even if their Coulomb attraction is
an order of magnitude greater than the available thermal energy. Delocalization has been …

Thermoelectric transport in molecular crystals driven by gradients of thermal electronic disorder

J Elsner, Y Xu, ED Goldberg, F Ivanovic, A Dines… - Science …, 2024 - science.org
Thermoelectric materials convert a temperature gradient into a voltage. This phenomenon is
relatively well understood for inorganic materials but much less so for organic …

Impact of crystallinity and grain density on the charge-carrier distribution and transport in organic semiconductors

Y Geng, Y Han, L **ong, H Li - Organic Electronics, 2024 - Elsevier
The crystalline and amorphous phases often coexist in the organic active layers of their
electronic devices, which further undergo morphological changes over time. Understanding …

Implementation and validation of constrained density functional theory forces in the CP2K package

CS Ahart, KM Rosso, J Blumberger - Journal of Chemical Theory …, 2022 - ACS Publications
Constrained density functional theory (CDFT) is a powerful tool for the prediction of electron
transfer parameters in condensed phase simulations at a reasonable computational cost. In …

Predicting 2D Crystal Packing in Thin Films of Small Molecule Organic Materials

AO Gudovannyy, JM Schäfer, O Gerdes… - Advanced Functional …, 2025 - Wiley Online Library
The large variety of structural morphologies realized in organic semiconductors is a big
challenge for the microscopic modeling of such systems. A global computational solution is …