Filling the gaps: Introducing plasticizers into π-conjugated OPE-NH2 Langmuir layers for defect-free anisotropic interfaces and membranes towards unidirectional …

SJ Finkelmeyer, C Mankel, G Ansay… - Journal of Colloid and …, 2025 - Elsevier
The construction of ultrathin membranes from linearly aligned π-electron systems is
advantageous for targeted energy, charge, or mass transfer. The Langmuir-Blodgett (LB) …

Photophysics of Ruthenium (II) Complexes with Thiazole π-Extended Dipyridophenazine Ligands

M Kaufmann, C Müller, AA Cullen… - Inorganic …, 2020 - ACS Publications
Transition-metal-based donor–acceptor systems can produce long-lived excited charge-
transfer states by visible-light irradiation. The novel ruthenium (II) polypyridyl type complexes …

Bifacial Dye Membranes: Ultrathin and Free‐Standing although not Being Covalently Bound

ML Hupfer, J Dellith, M Seyring, M Diegel… - Advanced …, 2023 - Wiley Online Library
Layers of aligned dyes are key to photo‐driven charge separation in dye sensitized solar
cells, but cannot be exploited as rectifying membranes in photocatalysis to separate half …

Supramolecular reorientation during deposition onto metal surfaces of quasi-two-dimensional langmuir monolayers composed of bifunctional amphiphilic, twisted …

ML Hupfer, R Meyer, T Deckert-Gaudig, S Ghosh… - Langmuir, 2021 - ACS Publications
Supramolecular dye structures, which are often ruled by π–π interactions between planar
chromophores, crucially determine the optoelectronic properties of layers and interfaces …

Supramolecular control of photonic response and sensing of nitricoxide using iron (III) corrole monolayers and their stacks

L Graewe, ML Hupfer, M Schulz, A Mahammed… - …, 2023 - Wiley Online Library
In this work, we assemble amphiphilic iron (III) corroles at air‐water interfaces into well‐
defined quasi‐two‐dimensional molecular monolayers and theirs stacks for sensing of nitric …

Long-Term Stable Organic Solar Cells through Amphiphilic Additives

YT Gerase, J Garcia Lopez… - ACS Applied …, 2024 - ACS Publications
Organic solar cells have recently experienced tremendous efficiency improvements, but their
longevity is still limited by morphological degradation, among other factors. We demonstrate …

Catching the π-Stacks: Prediction of Aggregate Structures of Porphyrin

A Elmanova, BO Jahn, M Presselt - The Journal of Physical …, 2024 - ACS Publications
π–π interactions decisively shape the supramolecular structure and functionality of π-
conjugated molecular semiconductor materials. Despite the customizable molecular …

Macroscopic quantum electrodynamics and density functional theory approaches to dispersion interactions between fullerenes

S Das, J Fiedler, O Stauffert, M Walter… - Physical Chemistry …, 2020 - pubs.rsc.org
The processing and material properties of commercial organic semiconductors, for eg
fullerenes is largely controlled by their precise arrangements, specially intermolecular …

In situ photothermal deflection spectroscopy revealing intermolecular interactions upon self-assembly of dye monolayers

ML Hupfer, F Herrmann-Westendorf, B Dietzek… - Analyst, 2021 - pubs.rsc.org
We demonstrate the potential of photothermal deflection spectroscopy (PDS) to study the
self-assembly of dye monolayers in situ. Beyond the determination of adsorption kinetics at …

Embedding an Amphiphilic 4-Hydroxy Thiazole Dye in Langmuir Matrices: Studying Miscibilities with Arylic and Alkylic Matrix Amphiphiles via Langmuir Isotherms …

ML Hupfer, D Blaschke, H Schmidt, M Presselt - Langmuir, 2021 - ACS Publications
We present here a fundamental study on the miscibility between a prototype amphiphilic dye
and alkylic and arylic Langmuir monolayers. Embedding dyes in such matrices is crucial for …