Vibrational spectroscopy of ionic liquids

VH Paschoal, LFO Faria, MCC Ribeiro - Chemical reviews, 2017 - ACS Publications
Vibrational spectroscopy has continued use as a powerful tool to characterize ionic liquids
since the literature on room temperature molten salts experienced the rapid increase in …

Impact of size and electronegativity of halide anions on hydrogen bonds and properties of 1-ethyl-3-methylimidazolium-based ionic liquids

P Sanchora, DK Pandey, D Rana… - The Journal of …, 2019 - ACS Publications
The effect of the anion size and electronegativity of halide-based anions (Cl–, Br–, I–, and
BF4–) on the interionic interaction in 1-ethyl-3-methylimidazolium-based ionic liquids (ILs) …

Stability of the liquid state of imidazolium-based ionic liquids under high pressure at room temperature

Y Yoshimura, M Shigemi, M Takaku… - The Journal of …, 2015 - ACS Publications
To understand the stability of the liquid phase of ionic liquids under high pressure, we
investigated the phase behavior of a series of 1-alkyl-3-methylimidazolium tetrafluoroborate …

Non-equilibrium protic and aprotic ionic liquids: Measuring the distance from the equilibrium state

H Abe, H Kishimura, T Takekiyo, Y Yoshimura… - Journal of Molecular …, 2019 - Elsevier
The anomalous phase behaviors of ionic liquids (ILs) were examined under low temperature
(LT) and high pressure (HP). Under LT condition, crystal polymorphs and multiple …

Glass transition of ionic liquids under high pressure

MCC Ribeiro, AAH Pádua, MFC Gomes - The Journal of Chemical …, 2014 - pubs.aip.org
The glass transition pressure at room temperature, pg, of six ionic liquids based on 1-alkyl-3-
methylimidazolium cations and the anions [BF 4]−,[PF 6]−, and bis (trifluromethanesulfonyl) …

High-pressure fluid-phase equilibria: Experimental methods, developments and systems investigated (2013–2016)

R Dohrn, S Peper, C Secuianu, JMS Fonseca - Fluid Phase Equilibria, 2024 - Elsevier
With this article we extend our review series on high-pressure (above 1 MPa) phase
equilibrium data to articles published between 2013 and 2016, including a compilation of …

Comparing two tetraalkylammonium ionic liquids. II. Phase transitions

TA Lima, VH Paschoal, LFO Faria… - The Journal of …, 2016 - pubs.aip.org
Phase transitions of the ionic liquids n-butyl-trimethylammonium bis (
trifluoromethanesulfonyl) imide,[N 1114][NTf 2], and methyl-tributylammonium bis …

Structure-Dependence and Mechanistic Insights into the Piezoelectric Effect in Ionic Liquids

MI Hossain, H Wang, L Adhikari, GA Baker… - The Journal of …, 2024 - ACS Publications
We reported recently that two imidazolium room-temperature ionic liquids (RTILs) exhibit the
direct piezoelectric effect (J. Phys. Chem. Lett., 2023, 14, 2731–2735). We have …

Polymorphs in room-temperature ionic liquids: Hierarchical structure, confined water and pressure-induced frustration

H Abe, T Takekiyo, M Aono, H Kishimura… - Journal of Molecular …, 2015 - Elsevier
Room-temperature ionic liquids (RTILs) can extract hidden information about water. Various
types of hydrogen bonds of water are detected clearly in the liquid, glass, and crystal states …

Phase transitions of triflate-based ionic liquids under high pressure

LFO Faria, MCC Ribeiro - The Journal of Physical Chemistry B, 2015 - ACS Publications
Raman spectroscopy has been used to study phase transitions of ionic liquids based on the
triflate anion,[TfO]−, as a function of pressure or temperature. Raman spectra of ionic liquids …