Dynamics of excitons in conjugated molecules and organic semiconductor systems

OP Dimitriev - Chemical Reviews, 2022 - ACS Publications
The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

Organic optoelectronic materials: mechanisms and applications

O Ostroverkhova - Chemical reviews, 2016 - ACS Publications
Organic (opto) electronic materials have received considerable attention due to their
applications in thin-film-transistors, light-emitting diodes, solar cells, sensors, photorefractive …

Switching between H-and J-type electronic coupling in single conjugated polymer aggregates

T Eder, T Stangl, M Gmelch, K Remmerssen… - Nature …, 2017 - nature.com
The aggregation of conjugated polymers and electronic coupling of chromophores play a
central role in the fundamental understanding of light and charge generation processes …

Using Molecular Structure to Tune Intrachain and Interchain Charge Transport in Indacenodithiophene-Based Copolymers

G LeCroy, R Ghosh, P Sommerville… - Journal of the …, 2024 - ACS Publications
In this work, we compare two structurally near-amorphous rigid-rod polymers─ poly
(indacenodithiophene-co-benzothiadiazole), p (IDT-BT), and poly (indacenodithiophene-co …

Relationship between interchain interaction, exciton delocalization, and charge separation in low-bandgap copolymer blends

Z Guo, D Lee, RD Schaller, X Zuo, B Lee… - Journal of the …, 2014 - ACS Publications
We present a systematic study of the roles of crystallinity, interchain interaction, and exciton
delocalization on ultrafast charge separation pathways in donor–acceptor copoloymer …

Determinant Role of Solution‐State Supramolecular Assembly in Molecular Orientation of Conjugated Polymer Films

J Deng, L Zheng, C Ding, Y Guo, Y ** of donor–acceptor copolymers
D Di Nuzzo, C Fontanesi, R Jones, S Allard… - Nature …, 2015 - nature.com
Molecular do** of conjugated polymers represents an important strategy for improving
organic electronic devices. However, the widely reported low efficiency of do** remains a …

Photochemical control of exciton superradiance in light-harvesting nanotubes

S Doria, TS Sinclair, ND Klein, DIG Bennett… - ACS …, 2018 - ACS Publications
Photosynthetic antennae and organic electronic materials use topological, structural, and
molecular control of delocalized excitons to enhance and direct energy transfer. Interactions …

Concurrent effects of delocalization and internal conversion tune charge separation at regioregular polythiophene–fullerene heterojunctions

M Huix-Rotllant, H Tamura… - The journal of physical …, 2015 - ACS Publications
Quantum-dynamical simulations are used to investigate the interplay of exciton
delocalization and vibronically induced internal conversion processes in the elementary …

Polaron absorption in aligned conjugated polymer films: breakdown of adiabatic treatments and going beyond the conventional mid-gap state model

G LeCroy, R Ghosh, V Untilova, L Guio, KH Stone… - Materials …, 2024 - pubs.rsc.org
This study provides the first experimental polarized intermolecular and intramolecular optical
absorption components of field-induced polarons in regioregular poly (3-hexylthiophene-2 …