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) …

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 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 …

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 …

Langmuir–Blodgett Films of Diketopyrrolopyrroles with Tunable Amphiphilicity

ML Hupfer, B Koszarna, S Ghosh, DT Gryko… - Langmuir, 2021 - ACS Publications
In this work, we present the formation of H-and J-aggregates of amphiphilic centrosymmetric
diketopyrrolopyrroles containing aliphatic or aromatic amino groups. The inherent …

Dichroic Dipole Antenna Membranes from Aligned Linear BOPHY Dyes

ML Hupfer, S Ghosh, Y Wang… - Advanced Materials …, 2022 - Wiley Online Library
Linear dyes are molecular mimics of dipole antennas that receive UV–vis light. In this work
the assembly of linear dyes via the Langmuir technique to achieve uniform dye alignment for …

Incorporation of molecular reorientation into modeling surface pressure-area isotherms of langmuir monolayers

J Agudelo, GV Bossa, S May - Molecules, 2021 - mdpi.com
Langmuir monolayers can be assembled from molecules that change from a low-energy
orientation occupying a large cross-sectional area to a high-energy orientation of small …