Coplanar Conformational Structure of π‐Conjugated Polymers for Optoelectronic Applications

M Xu, C Wei, Y Zhang, J Chen, H Li, J Zhang… - Advanced …, 2024 - Wiley Online Library
Hierarchical structure of conjugated polymers is critical to dominating their optoelectronic
properties and applications. Compared to nonplanar conformational segments, coplanar …

Methods for controlling structure and photophysical properties in polyfluorene solutions and gels

M Knaapila, AP Monkman - Advanced Materials, 2013 - Wiley Online Library
Abstract Knowledge of the phase behavior of polyfluorene solutions and gels has expanded
tremendously in recent years. The relationship between the structure formation and …

Temperature induced order–disorder transition in solutions of conjugated polymers probed by optical spectroscopy

F Panzer, H Bässler, A Köhler - The journal of physical …, 2017 - ACS Publications
The aggregation of π-conjugated materials significantly impacts the photophysics and
performance of optoelectronic devices. Nevertheless, little is known about the laws …

A rational molecular design of β-phase polydiarylfluorenes: synthesis, morphology, and organic lasers

JY Lin, WS Zhu, F Liu, LH Xie, L Zhang, R Xia… - …, 2014 - ACS Publications
Rational molecular design allows for manipulating the chain conformations of polymer
semiconductors by cooperative arrangement of bulky groups with steric hindrance effect and …

Spectroscopic signature of two distinct H-aggregate species in poly (3-hexylthiophene)

F Panzer, M Sommer, H Bässler, M Thelakkat… - …, 2015 - ACS Publications
In an endeavor to correlate the optoelectronic properties of π-conjugated polymers with their
structural properties, we investigated the aggregation of P3HT in THF solution within a …

Helix induction to polyfluorenes using circularly polarized light: chirality amplification, phase-selective induction, and anisotropic emission

Y Wang, T Harada, LQ Phuong, Y Kanemitsu… - …, 2018 - ACS Publications
Chirality induction (preferred-handed helix induction) to poly (9, 9-dioctylfluorene-2, 7-
diyl)(poly (DOF)), poly (9, 9-didodecylfluorene-2, 7-diyl)(poly (DDF)), and poly (9, 9 …

Impact of excess PbI 2 on the structure and the temperature dependent optical properties of methylammonium lead iodide perovskites

T Meier, TP Gujar, A Schönleber, S Olthof… - Journal of Materials …, 2018 - pubs.rsc.org
We investigate the impact of excess PbI2 in the precursor solution on the structural and
optical properties of thin films of the model hybrid perovskite methylammonium lead iodide …

The impact of polydispersity and molecular weight on the order–disorder transition in poly (3-hexylthiophene)

F Panzer, H Bässler, R Lohwasser… - The journal of …, 2014 - ACS Publications
Conjugated poly (3-hexylthiophene)(P3HT) chains are known to exist at least in two distinct
conformations: a coiled phase and a better ordered aggregated phase. Employing steady …

Effect of conjugated polymer poly (9, 9-dioctylfluorene)(PFO) molecular weight change on the single chains, aggregation and β phase

T Li, B Liu, H Zhang, J Ren, Z Bai, X Li, T Ma, D Lu - Polymer, 2016 - Elsevier
In the work, the effect of PFO molecular weight change on the single chains, aggregation
and β phase in the solution was investigated. Some regularity of the chain size and shape …

Two-step mechanism of macromolecular nucleation and crystallization: Field theory and simulations

PE L'vov, AR Umantsev - Crystal Growth & Design, 2020 - ACS Publications
We developed a phase-field method of simulations of crystallization of macromolecules from
solutions, which provides a good combination of the efficiency, thermodynamic consistency …