Ultrathin ionic liquid films on metal surfaces: adsorption, growth, stability and exchange phenomena

M Lexow, F Maier, HP Steinrück - Advances in Physics: X, 2020 - Taylor & Francis
The interface of ionic liquids (ILs) with solid surfaces is of pivotal interest for many
applications, ranging from sensors, lubrication, separation technology, and electronics to …

The Buoy Effect: Surface Enrichment of a Pt Complex in IL Solution by Ligand Design

D Hemmeter, D Kremitzl, PS Schulz… - … A European Journal, 2023 - Wiley Online Library
The targeted enrichment of a Pt complex with an ionic liquid (IL)‐derived ligand system in IL
solution is demonstrated by using angle‐resolved X‐ray photoelectron spectroscopy. When …

Understanding the Buoy Effect of Surface‐Enriched Pt Complexes in Ionic Liquids: A Combined ARXPS and Pendant Drop Study

D Hemmeter, U Paap, N Wellnhofer, A Gezmis… - …, 2023 - Wiley Online Library
Recently, we demonstrated that Pt catalyst complexes dissolved in the ionic liquid
(IL)[C4C1Im][PF6] can be deliberately enriched at the IL surface by introducing …

Exploring the interfacial behavior of ruthenium complexes in ionic liquids: implications for supported ionic liquid phase catalysts

D Hemmeter, LS Merlinsky, LM Baraldo… - Physical Chemistry …, 2024 - pubs.rsc.org
The interaction of metal complexes with ionic liquids, with a particular focus on the stability
and surface concentration of the metal centers, is crucial in applications involving catalysts …

Surface tension and viscosity of binary ionic liquid mixtures from high vacuum up to pressures of 10 MPa

Z Zhai, U Paap, A Gezmis, F Maier, HP Steinrück… - Journal of Molecular …, 2023 - Elsevier
In the present study, we investigated the surface tension and viscosity of binary ionic liquid
(IL) mixtures at or close to saturation conditions from high vacuum conditions up to elevated …

Structure and Surface Behavior of Rh Complexes in Ionic Liquids Studied Using Angle-Resolved X-ray Photoelectron Spectroscopy

D Hemmeter, U Paap, F Maier, HP Steinrück - Catalysts, 2023 - mdpi.com
We present an ARXPS study on the surface composition and interfacial behavior of
commercial [Rh (COD) 2][TfO] in [C2C1Im][TfO],[C4C1Im][TfO],[C8C1Im][TfO], and …

Surface Structure of Alkyl/Fluoroalkylimidazolium Ionic–Liquid Mixtures

SM Purcell, PD Lane, L D'Andrea… - The Journal of …, 2022 - ACS Publications
The gas–liquid interface of ionic liquids (ILs) is critically important in many applications, for
example, in supported IL phase (SILP) catalysis. Methods to investigate the interfacial …

Formation and Surface Behavior of Pt and Pd Complexes with Ligand Systems Derived from Nitrile‐functionalized Ionic Liquids Studied by XPS

D Hemmeter, U Paap, N Taccardi, J Mehler… - …, 2023 - Wiley Online Library
We studied the formation and surface behavior of Pt (II) and Pd (II) complexes with ligand
systems derived from two nitrile‐functionalized ionic liquids (ILs) in solution using angle …

Direct Correlation of Surface Tension and Surface Composition of Ionic Liquid Mixtures—A Combined Vacuum Pendant Drop and Angle-Resolved X-ray …

U Paap, V Seidl, K Meyer, F Maier, HP Steinrück - Molecules, 2022 - mdpi.com
We investigated the surface tension and surface composition of various mixtures of the two
ionic liquids (ILs) 1-methyl-3-octyl-imidazolium hexafluorophosphate [C8C1Im][PF6] and 1, 3 …

Surface Tension and Viscosity of Binary Mixtures of the Fluorinated and Non-fluorinated Ionic Liquids [PFBMIm][PF6] and [C4C1Im][PF6] by the Pendant Drop …

TM Koller, FD Lenahan, PS Schmidt, T Klein… - International Journal of …, 2020 - Springer
Mixtures of fluorinated and non-fluorinated ionic liquids (ILs) show a distinct structural
organization in the bulk and at the surface. To understand how such microscopic effects …