Interaction and dynamics of (alkylamide+ electrolyte) deep eutectics: Dependence on alkyl chain-length, temperature, and anion identity

B Guchhait, S Das, S Daschakraborty… - The Journal of Chemical …, 2014 - pubs.aip.org
Here we investigate the solute-medium interaction and solute-centered dynamics in
(RCONH 2+ LiX) deep eutectics (DEs) via carrying out time-resolved fluorescence …

Dielectric relaxations of (acetamide+ electrolyte) deep eutectic solvents in the frequency window, 0.2≤ ν/GHz≤ 50: Anion and cation dependence

K Mukherjee, A Das, S Choudhury… - The Journal of …, 2015 - ACS Publications
Dielectric relaxation (DR) measurements in the frequency range 0.2≤ ν/GHz≤ 50 have
been carried out for neat molten acetamide and six different (acetamide+ electrolyte) deep …

Reorientational jump dynamics and its connections to hydrogen bond relaxation in molten acetamide: An all-atom molecular dynamics simulation study

S Das, R Biswas, B Mukherjee - The Journal of Physical Chemistry …, 2015 - ACS Publications
Here we report results from our molecular dynamics simulations on orientational relaxation
and hydrogen bond dynamics of molten acetamide. Signatures for orientational jumps have …

Solvation dynamics in a prototypical ionic liquid+ dipolar aprotic liquid mixture: 1-butyl-3-methylimidazolium tetrafluoroborate+ acetonitrile

M Liang, XX Zhang, A Kaintz, NP Ernsting… - The Journal of …, 2014 - ACS Publications
Solvation energies, rotation times, and 100 fs to 20 ns solvation response functions of the
solute coumarin 153 (C153) in mixtures of 1-butyl-3-methylimidazolium tetrafluoroborate …

Dynamic heterogeneity and viscosity decoupling: origin and analytical prediction

N Das, P Sen - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
The molecular-level structure and dynamics decide the functionality of solvent media.
Therefore, a significant amount of effort is being dedicated continually over time in …

Slow solvation in ionic liquids: Connections to non-Gaussian moves and multi-point correlations

T Pal, R Biswas - The Journal of Chemical Physics, 2014 - pubs.aip.org
This paper explores an interconnection between timescales of dynamic heterogeneity (DH)
in a neat ionic liquid (IL), 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF 6]) …

Temperature-dependent dielectric relaxation in ionic acetamide deep eutectics: Partial viscosity decoupling and explanations from the simulated single-particle …

K Mukherjee, S Das, J Rajbangshi, E Tarif… - The Journal of …, 2021 - ACS Publications
We report here temperature-dependent (293≤ T (K)≤ 336) dielectric relaxation (DR)
measurements of (acetamide+ LiBr/NO3–/ClO4–) deep eutectic solvents (DESs) in the …

Composition Dependence of Dynamic Heterogeneity Time- and Length Scales in [Omim][BF4]/Water Binary Mixtures: Molecular Dynamics Simulation Study

T Pal, R Biswas - The Journal of Physical Chemistry B, 2015 - ACS Publications
Composition dependence of four-point dynamic susceptibilities, overlap functions, and other
dynamic heterogeneity (DH) parameters have been investigated by using all-atom …

Collective dynamic dipole moment and orientation fluctuations, cooperative hydrogen bond relaxations, and their connections to dielectric relaxation in ionic …

S Das, R Biswas, B Mukherjee - The Journal of Chemical Physics, 2016 - pubs.aip.org
Collective dynamic dipole moment and orientation fluctuations, cooperative hydrogen bond
relaxations, and their connections to dielectric relaxation in ionic acetamide deep eutectics …