Ralf Ludwig
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Explore the profile of Ralf Ludwig including associated specialties, affiliations and a list of published articles.
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Articles
221
Citations
1451
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Recent Articles
1.
Khudozhitkov A, Hunger L, Al-Sheakh L, Stepanov A, Kolokolov D, Ludwig R
Phys Chem Chem Phys
. 2025 Mar;
PMID: 40040365
Ion pair formation is a fundamental concept in chemistry. The association between ions of opposite charge is widely used in synthesis and catalysis. In contrast, there is little evidence for...
2.
Busch J, Ludwig R, Paschek D
J Phys Chem B
. 2025 Feb;
129(9):2573-2583.
PMID: 40001352
We use molecular dynamics simulations to investigate the influence of the hydrogen bond (HB) catching agent dimethyl sulfoxide (DMSO) on the HB network in the hydroxy-functionalized ionic liquid (IL) 1-(4-hydroxybutyl)pyridinium...
3.
Paschek D, Busch J, Chiramel Tony A, Ludwig R, Strate A, Stolte N, et al.
J Chem Phys
. 2025 Feb;
162(5).
PMID: 39898566
In this contribution, we compute the 1H nuclear magnetic resonance (NMR) relaxation rate of liquid water at ambient conditions. We are using structural and dynamical information from Coupled Cluster Molecular...
4.
Kristin Philipp J, Fumino K, Appelhagen A, Paschek D, Ludwig R
Chemphyschem
. 2024 Dec;
26(5):e202400991.
PMID: 39714984
Glyme-based electrolyte solutions provide new concepts for developing suitable lithium-ion batteries. The so-called solvate ionic liquids (SILs) are promising electrolytes. They are most efficient in equimolar mixtures of lithium bis(trifluoromethanesulfonyl)imide...
5.
Harville P, Moss O, Hassan Y, Hunger L, Ludwig R, McCoy A, et al.
J Phys Chem A
. 2024 Nov;
128(47):10159-10166.
PMID: 39547708
The p's of acids are known to depend on the ionic strength of an electrolyte solution, an effect that qualitatively results from electrostatic interactions of the acid and conjugate base...
6.
Sheshkovas A, Khudozhitkov A, Veselovskaya J, Kolokolov D, Stepanov A, Ludwig R
ChemSusChem
. 2024 Oct;
18(5):e202401736.
PMID: 39401288
A promising CO sorbent based on the [Emim][Gly] (1-ethyl-3-methylimidazolium glycinate)/silica gel composite has been studied. CO sorption experiments have shown that the optimum loading of [Emim][Gly] ionic liquid in silica...
7.
Kruse L, Chiramel Tony A, Paschek D, Stange P, Ludwig R, Strate A
J Phys Chem Lett
. 2024 Oct;
15(41):10410-10415.
PMID: 39387540
NMR field cycling relaxometry is a powerful method for determining the rotational and translational dynamics of ions, molecules, and dissolved particles. This is in particular true for ionic liquids (ILs)...
8.
Paschek D, Busch J, Mock E, Ludwig R, Strate A
J Chem Phys
. 2024 Oct;
161(13).
PMID: 39351953
No abstract available.
9.
Hunger L, Al Sheakh L, Fritsch S, Villinger A, Ludwig R, Harville P, et al.
J Phys Chem B
. 2024 May;
128(22):5463-5471.
PMID: 38776534
Intermolecular interactions determine whether matter sticks together, gases condense into liquids, or liquids freeze into solids. The most prominent example is hydrogen bonding in water, responsible for the anomalous properties...
10.
Hunger L, Ludwig R, Chuang Y, Chang H
J Phys Chem B
. 2024 May;
128(19):4802-4808.
PMID: 38696327
Hydroxy functionalization of cations in ionic liquids (ILs) can lead to formation of hydrogen bonds between their OH groups, resulting in so-called (c-c) H-bonds. Thereby, the (c-c) H-bonds compete with...