[HTML][HTML] 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 …

[HTML][HTML] Aggregates of conjugated polymers: bottom-up control of mesoscopic morphology and photophysics

C Kim, H Joung, HJ Kim, K Paeng, LJ Kaufman… - NPG Asia …, 2023 - nature.com
Conjugated polymer (CP) aggregates have been the focus of considerable research, as
these mesoscopic entities, compared with single CP chains, provide environments more …

[HTML][HTML] Nanoscale π-conjugated ladders

SA Meißner, T Eder, TJ Keller, DA Hofmeister… - Nature …, 2021 - nature.com
It is challenging to increase the rigidity of a macromolecule while maintaining solubility.
Established strategies rely on templating by dendrons, or by encapsulation in macrocycles …

Photon correlations probe the quantized nature of light emission from optoelectronic materials

JM Lupton, J Vogelsang - Applied Physics Reviews, 2021 - pubs.aip.org
Even though the quantized interaction between light and matter in the photoelectric effect is
considered one of the cornerstones in the development of quantum mechanics, it was long …

Optical microscopic techniques for synthetic polymer characterization

H Coceancigh, DA Higgins, T Ito - Analytical Chemistry, 2018 - ACS Publications
In this review, we discuss how state-of-the-art optical microscopic techniques enhance our
understanding of the morphological and dynamic properties of synthetic polymers …

Excited-State Symmetry Breaking in a Multiple Multipolar Chromophore Probed by Single-Molecule Fluorescence Imaging and Spectroscopy

M Mitsui, Y Takakura, K Hirata, Y Niihori… - The Journal of …, 2021 - ACS Publications
Excited-state symmetry breaking (ESB) has attracted much attention because it is often
observed in symmetric multipolar chromophores designed as two-photon …

[HTML][HTML] First observation of the effect of the layer printing sequence on the molecular structure of three-dimensionally printed polymer, as shown by in-plane …

NB Gundrati, P Chakraborty, C Zhou… - Composites Part B …, 2018 - Elsevier
The layer printing sequence in three-dimensional (3D) printing affects the molecular
structure of the printed layers, as shown for bottom-up stereolithography printing using an …

Role of triplet-state shelving in organic photovoltaics: single-chain aggregates of poly (3-hexylthiophene) versus mesoscopic multichain aggregates

F Steiner, JM Lupton, J Vogelsang - Journal of the American …, 2017 - ACS Publications
Triplet excitons have been the focus of considerable attention with regards to the functioning
of polymer solar cells because these species are long-lived and quench subsequently …

Molecular Polygons Probe the Role of Intramolecular Strain in the Photophysics of π‐Conjugated Chromophores

P Wilhelm, J Vogelsang, G Poluektov… - Angewandte …, 2017 - Wiley Online Library
Abstract π‐Conjugated segments, chromophores, are the electronically active units of
polymer materials used in organic electronics. To elucidate the effect of the bending of these …

Dynamic quenching of triplet excitons in single conjugated-polymer chains

J Schedlbauer, U Scherf, J Vogelsang… - The Journal of …, 2020 - ACS Publications
By measuring the fluorescence photon statistics of single chains of a conjugated polymer,
we determine the lifetime of the metastable dark state, the triplet exciton. The single …