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Related papers: Hydrogen Fluoride Capture by Imidazolium Acetate I…

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Given the many and varied roles of ions in living organisms, biocompatible organic ion sensors are a matter of considerable interest. In this work, simple, low-voltage, solid-state hygroscopic insulator field effect transistors (HIFETs)…

Applied Physics · Physics 2021-11-10 Joshua N. Arthur , Soniya D. Yambem

In the interstellar cold gas, the chemistry of formaldehyde (H$_2$CO) can be essential to explain the formation of complex organic molecules. On this matter, the massive and energetic protostellar object G331 is still unexplored and, hence,…

Astrophysics of Galaxies · Physics 2023-08-09 Edgar Mendoza , Miguel Carvajal , Manuel Merello , Leonardo Bronfman , Heloisa M. Boechat-Roberty

Helium has the lowest boiling point of any element in nature at normal atmospheric pressure. Therefore, any unwanted substance like impurities present in liquid helium will be frozen and will be in solid form. Even if these solid impurities…

Instrumentation and Detectors · Physics 2021-02-24 Dominik Sifrig , Sascha Martin , Dominik Zumbühl , Christian Schönenberger , Laurent Marot

Electrochemical reduction of CO2 to CO is a promising strategy. However, achieving high Faradaic efficiency with high current density using ILs electrolyte remains a challenge. In this study, the IL N octyltrimethyl 1,2,4 triazole ammonium…

Materials Science · Physics 2021-02-10 Yanjie Hu , Jiaqi Feng , Xiangping Zhang , Hongshuai Gao , Saimeng Jin , Lei Liu , Weifeng Shen

We use a unique combination of electrochemical techniques to elucidate the dependency of hydrogen evolution reaction (HER) and absorption on pH and overpotential for iron and nickel. Impedance spectroscopy shows the dominance of the…

Chemical Physics · Physics 2024-03-07 L. Cupertino-Malheiros , M. Duportal , T. Hageman , E. Martínez-Pañeda

Interfacial behaviours in multiphase systems containing H2 are crucial to underground H2 storage but are not well understood. Molecular dynamics simulations were conducted to study interfacial properties of the H2O+H2 and…

Chemical Physics · Physics 2022-12-29 Yafan Yang , Arun Kumar Narayanan Nair , Weiwei Zhu , Shuxun Sang , Shuyu Sun

Flexoelectricity is universal in all dielectrics, effective at high temperatures, and a promising transduction technique for nanoelectromechanical systems (NEMS). However, as flexoelectricity is still in its early stages, many aspects…

Materials Science · Physics 2024-10-03 Daniel Moreno-Garcia , Luis Guillermo Villanueva

In this work, we report the results from molecular dynamics simulations of lithium salt-ionic liquid electrolytes (ILEs) based either on the symmetric bis[(trifluoromethyl)sulfonyl]imide ($\text{TFSI}^-$) anion or its asymmetric analog…

Chemical Physics · Physics 2022-03-23 Alina Wettstein , Diddo Diddens , Andreas Heuer

We have used molecular dynamics simulations to study the effect of water on the wetting behavior and the interfacial structure of ionic liquid (IL) 1-ethyl-3-methylimidazolium boron tetrafluoride[EMIM][BF4] droplets on graphite surfaces…

Chemical Physics · Physics 2020-12-09 Sanchari Bhattacharjee , Sandip Khan

The atmospheric pressure PECVD deposition and texturization of hydrophobic coatings using liquid fluorinated C6F12 and C6F14 precursors are investigated. The effect of the carrier gas (argon and helium) is discussed in terms of the behavior…

We develop a flexible one-dimensional code to model the escape of hydrogen and helium from a hot Jupiter as a result of photoionization from extreme-ultraviolet (EUV) radiation. We include stellar spectrum heating and ionization, radiative…

Earth and Planetary Astrophysics · Physics 2025-11-21 Renata Frelikh , Ruth A. Murray-Clay

The lanthanide elements have well-documented similarities in their chemical behavior, which makes the valuable trivalent lanthanide cations (Ln(III)) particularly difficult to separate from each other in water. In this work, we apply ab…

Materials Science · Physics 2021-07-14 Kevin Leung , Anastasia G. Ilgen , Louise J. Criscenti

Electrochemically mediated selective adsorption is an emerging electrosorption technique that utilizes Faradaically enhanced redox active electrodes, which can adsorb ions not only electrostatically, but also electrochemically. The superb…

Chemical Physics · Physics 2021-01-05 Fan He , Martin Z. Bazant , T. Alan Hatton

Chemical adsorption of atomic hydrogen on a negatively charged single layer graphene sheet has been analyzed with ab-initio Density Functional Theory calculations. We have simulated both finite clusters and infinite periodic systems to…

Materials Science · Physics 2015-05-18 J. A. Verges , P. L. de Andres

Fullerenes are known to be polarizable due to the strained carbon-carbon bonds and high surface curvature. Electronic polarization of fullerenes is of steady practical importance, since it leads to non-additive interactions and, therefore,…

Materials Science · Physics 2015-01-21 Vitaly V. Chaban , Eudes Eterno Fileti

Ionic liquids have been suggested as new engineering fluids, namely in the area of heat transfer, as alternatives to current biphenyl and diphenyl oxide, alkylated aromatics and dimethyl polysiloxane oils, which degrade above 200 {\deg}C…

Nanoscaling interstitial metal hydrides offers opportunities for hydrogenation applications by enhancing kinetics, increasing surface area, and allowing for tunable properties. The introduction of interfaces impacts hydrogen absorption…

The adsorption of methanol (CH3OH) at the Fe3O4(001)-c(2x2) surface was studied using X-ray photoelectron spectroscopy (XPS), scanning tunneling microscopy (STM), and temperature-programmed desorption (TPD). CH3OH adsorbs exclusively at…

Ionic liquids (IL) are promising electrolytes for electrochemical applications due to their remarkable stability and high charge density. Molecular dynamics simulations are essential for better understanding the complex phenomena occurring…