Microheterogeneity-Induced Vibrational Spectral Dynamics of Aqueous 1-Alkyl-3-methylimidazolium Tetrafluoroborate Ionic Liquids of Different Cationic Chain …

A Biswas, BS Mallik - The Journal of Physical Chemistry B, 2022 - ACS Publications
We have monitored the impacts of an increment in the alkyl chain length of the imidazolium-
based tetrafluoroborate ionic liquids on the local deuteroxyl probe modes of interest. For this …

Direct Correlation between Short-Range Vibrational Spectral Diffusion and Localized Ion-Cage Dynamics of Water-in-Salt Electrolytes

A Biswas, BS Mallik - The Journal of Physical Chemistry B, 2022 - ACS Publications
The molecular dynamics simulations of a “water-in-salt” electrolyte, lithium bis
(trifluoromethyl sulfonyl) imide (LiNTf2), with a varying concentration range of 3 to 20 m were …

Molecular Simulation-Guided Spectroscopy of Imidazolium-Based Ionic Liquids and Effects of Methylation on Ion-Cage and-Pair Dynamics

A Biswas, BS Mallik - The Journal of Physical Chemistry B, 2022 - ACS Publications
Classical molecular dynamics simulations were performed to assess an atomistic
interpretation of the ion-probe structural interactions in two typical ionic liquids (ILs), 1-butyl …

Deciphering TADF Mechanisms in Metal-Free Organic Emitters BrA-HBI: Utilizing Optimally Tuned Range-Separated Functionals for Insight

C Yu, H Yin, J Guo, W Zhang, Y Shi - Chinese Physics Letters, 2024 - iopscience.iop.org
Metal-free organic emitters, characterized by their thermally activated delayed fluorescence
(TADF) properties, offer considerable promise for the creation of highly efficient organic light …

Ionic Dynamics and Vibrational Spectral Diffusion of a Protic Alkylammonium Ionic Salt through Intrinsic Cationic N–H Vibrational Probe from FPMD Simulations

A Biswas, BS Mallik - The Journal of Physical Chemistry A, 2022 - ACS Publications
We employed density functional theory (DFT)-based molecular dynamics simulations to
explore the structure, dynamics, and spectral properties of the protic ionic entity …

Multiple Ensembles of the Hydrogen‐bonded Network in Ethylammonium Nitrate versus Water from Vibrational Spectral Dynamics of SCN Probe

A Biswas, BS Mallik - ChemPhysChem, 2022 - Wiley Online Library
We performed classical molecular dynamics simulations to monitor the structural interactions
and ultrafast dynamical and spectral response in the protic ionic liquid, ethylammonium …