Surface hydroxyl group dominating aerobic oxidation of methane below room temperature

B Yu, L Cheng, J Wu, B Yang, H Li, J Xu… - Energy & …, 2024 - pubs.rsc.org
Direct oxidation of methane (DOM) using molecular oxygen (O2) and hydrogen (H2) is
currently considered to be triggered by in situ produced H2O2 or free hydroxyl radicals (˙ …

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 …

Revisiting OD-stretching dynamics of methanol‑d4, ethanol-d6 and dilute HOD/H2O mixture with predefined potentials and wavelet transform spectra

A Biswas, BS Mallik - Chemical Physics, 2022 - Elsevier
Classical molecular dynamics simulations were performed to explore the stretching profiles
of hydrogen-bonded liquids using the wavelet transform of classical trajectories to calculate …

Vibrational spectral dynamics and ion-probe interactions of the hydrogen-bonded liquids in 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide

A Biswas, BS Mallik - Chemical Physics, 2022 - Elsevier
We investigate ion-probe interactions within the molecular liquid, examine dynamics, and
interpret the vibrational spectral dynamics of the mixtures of ionic liquid, 1-Ethyl-3 …

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 …

2D IR spectra of the intrinsic vibrational probes of ionic liquid from dispersion corrected DFT-MD simulations

A Biswas, BS Mallik - Journal of Molecular Liquids, 2022 - Elsevier
We present the vibrational spectral profile of the intrinsic cationic (NH) and anionic (CO)
probe stretch modes in methylammonium formate (MAF) using first principles molecular …

Structure and rotational dynamics of water around hydrogen peroxide

A Priyadarsini, BS Mallik - Journal of Molecular Liquids, 2022 - Elsevier
The density functional theory-based molecular dynamics simulations were induced to study
various properties of water around different solvation pockets around hydrogen peroxide (H …

Application of Near-Infrared Spectroscopy and Aquaphotomics in Understanding the Water Behavior during Cold Atmospheric Plasma Processing

J Luo, T Xu, W Ding, X Wei, H Zang, X Wang, L Li - Applied Sciences, 2023 - mdpi.com
Plasma-activated water (PAW), obtained by exposing liquid to cold atmospheric plasma
(CAP) for a period, has gained widespread attention for its potential as anti-bacterial, anti …

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 …

Hydrogen peroxide disproportionation: time-resolved optical measurements of spectra, scattering and imaging combined with correlation analysis and simulations

MEA Ibrahim, RA Nome - Journal of Molecular Structure, 2022 - Elsevier
We study how time-dependent optical measurements of spectra, scattering, and imaging can
be used to add to the understanding of heterogeneous reactions, compared to work …