Structural origins of the electronic properties of materials via time-resolved infrared spectroscopy

KT Munson, ER Kennehan, JB Asbury - Journal of Materials Chemistry …, 2019 - pubs.rsc.org
Time-resolved mid-infrared (TRIR) spectroscopy offers new opportunities to investigate how
the molecular and structural properties of optoelectronic materials influence their electronic …

Readily accessible benzo [d] thiazole polymers for nonfullerene solar cells with> 16% efficiency and potential pitfalls

LW Feng, J Chen, S Mukherjee, VK Sangwan… - ACS Energy …, 2020 - ACS Publications
Here we report facile, high-yield synthetic access to the difluoro BTA building block, 4, 7-bis
(5-bromo-4-(2-hexyl-decyl)-thiophen-2-yl)-5, 6-difluoro-2-(pentadecan-7-yl)-benzo [d] …

Linking the Chiral Expression of Conjugated Polymers to Their Aggregation Type

A van Oosten, K Aerts, Y de Coene, T Verbiest… - …, 2025 - ACS Publications
Due to their strong absorption of visible light, chirality in chiral conjugated polymers (CPs) is
typically expressed by electronic circular dichroism (ECD). Unfortunately, while many chiral …

Introducing Molecular Asymmetry in Copolymer Structures to Favor Herringbone-Like Aggregation and Tune the Chiral Expression

A Van Oosten, C Verduyckt, G Koeckelberghs - Macromolecules, 2023 - ACS Publications
Type I (comb-like) and type II (herringbone-like) aggregation in conjugated polymers has
been thoroughly related to their intrinsic molecular structure, with parameters favoring strong …

Disparity between rate and selectivity in the controlled synthesis of gradient conjugated copolymers

A Van Oosten, F Matz, V Parravicini, TC Jagau… - European Polymer …, 2024 - Elsevier
In this report, a one-pot synthesis of gradient copolymers is attempted employing Kumada
catalyst transfer condensative polymerization (KCTCP). The hypothesis that a more reactive …

Influence of the dispersity and molar mass distribution of conjugated polymers on the aggregation type and subsequent chiral expression

A Van Oosten, C Verduyckt, J De Winter, P Gerbaux… - Soft Matter, 2023 - pubs.rsc.org
This study aims to determine the influence of the dispersity on the aggregation of conjugated
polymers and their subsequent chiral expression. Dispersity has been thoroughly …