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Nanofluidic transport is ubiquitous in natural systems from extra-cellular communication in biology to geological phenomena, and promotes the emergence of new technologies such as energy harvesting and water desalination. While experimental…

软凝聚态物质 · 物理学 2026-03-23 Aymeric Allemand , Anne-Laure Biance , Christophe Ybert , Laurent Joly

We have performed a thorough examination of the reorientational relaxation dynamics and the ionic charge transport of three typical deep eutectic solvents, ethaline, glyceline and reline by broadband dielectric spectroscopy. Our experiments…

软凝聚态物质 · 物理学 2019-03-28 D. Reuter , C. Binder , P. Lunkenheimer , A. Loidl

Using dielectric spectroscopy and differential scanning calorimetry, we have performed a detailed investigation of the influence of water uptake on the translational and reorientational glassy dynamics in the typical ionic liquid…

材料科学 · 物理学 2017-01-23 P. Sippel , V. Dietrich , D. Reuter , M. Aumüller , P. Lunkenheimer , A. Loidl , S. Krohns

Using non-equilibrium molecular dynamics simulations and a coarse grained model of ionic liquids, we have investigated the impact that the shape and the intramolecular charge distribution of the ions have on the electrotuneable friction…

材料科学 · 物理学 2015-08-25 O. Y. Fajardo , Fernando Bresme , Alexei A. Kornyshev , Michael Urbakh

Lithium zirconium chlorides (LZCs) present a promising class of cost-effective solid electrolyte for next-generation all-solid-state batteries. The unique crystal structure of LZCs plays a crucial role in facilitating lithium-ion mobility,…

材料科学 · 物理学 2025-10-09 Hanzeng Guo , Volodymyr Koverga , Selva Chandrasekaran Selvaraj , Anh T. Ngo

We employ molecular dynamics simulations to investigate ion and water transport driven by an electric field through quasi-two-dimensional nanoslits with a tapered geometry. Despite the absence of surface charge on the channel walls and the…

软凝聚态物质 · 物理学 2025-09-29 Tim Veenstra , Gerardo Campos-Villalobos , Giuliana Giunta , René van Roij , Marjolein Dijkstra

We investigate ion pairing dynamics in electrolytes driven far from equilibrium using molecular simulations and nonequilibrium rate theory. Focusing on 0.5 M $\mathrm{LiPF_6}$ in water and acetonitrile under uniform electric fields, we…

化学物理 · 物理学 2026-02-12 Seokjin Moon , David T. Limmer

Ion-pairing is commonly considered as a culprit for the reduced ionic conductivity in polymer electrolyte systems. However, this simple thermodynamic picture should not be taken literally, as ion-pairing is a dynamical phenomenon. Here we…

软凝聚态物质 · 物理学 2021-08-31 Harish Gudla , Yunqi Shao , Supho Phunnarungsi , Daniel Brandell , Chao Zhang

In the present study, the ionic transport and selectivity of electrokinetically-driven flow of power-law fluids in a long pH-regulated rectangular nanochannel are analyzed. The electrical potential and momentum equations are numerically…

流体动力学 · 物理学 2021-11-09 Mohammad Ali Vakili , Morteza Sadeghi , Mohammad Hassan Saidi , Ali Moosavi

Using molecular dynamics simulation with an angle-dependent Lennard-Jones potential, we study orientational glass with quadrupolar symmetry in mixtures of elliptic particles and circular impurities in two dimensions. With a mild aspect…

软凝聚态物质 · 物理学 2015-07-24 Kyohei Takae , Akira Onuki

The number of precise conductance measurements in nanopores is quickly growing. In order to clarify the dominant mechanisms at play and facilitate the characterization of such systems for which there is still no clear consensus, we propose…

软凝聚态物质 · 物理学 2018-07-25 Manoel Manghi , John Palmeri , Khadija Yazda , Francois Henn , Vincent Jourdain

We investigate the flow of an electrolyte through a rigid nanochannel decorated with a surface charge pattern. Employing lattice Boltzmann and dissipative particle dynamics methods, as well as analytical theory, we show that the…

软凝聚态物质 · 物理学 2024-01-12 Tine Curk , Sergi G. Leyva , Ignacio Pagonabarraga

We consider orientation mechanisms for block copolymers in an electric field. Theoretical and experimental studies have shown that nonuniformity of the dielectric constant gives rise to a preferred orientation of the melt with respect to…

软凝聚态物质 · 物理学 2009-11-10 Y. Tsori , F. Tournilhac , L. Leibler

We investigate the effect of pectin on the structure and ion transport properties of the room-temperature ionic liquid electrolyte 1-n-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) using molecular dynamics simulations. We find…

软凝聚态物质 · 物理学 2023-10-03 Sipra Mohapatra , Sougata Halder , Sachin R. Chaudhary , Roland R. Netz , Santosh Mogurampelly

Recent experimental advances in nanofluidics have allowed to explore ion transport across molecular-scale pores, in particular for iontronic applications. Two dimensional nanochannels -- in which a single molecular layer of electrolyte is…

软凝聚态物质 · 物理学 2025-01-22 Damien Toquer , Lydéric Bocquet , Paul Robin

Progress in electrochemical applications of ionic liquids builds on an understanding of electrical double-layer. This computational study focuses on structure-determined quantities -- maximum packing density, potentials and capacitances --…

Molecular dynamics simulation is utilized to investigate the ionic transport of NaCl in solution through a graphene nanopore under an applied electric field. Results show the formation of concentration polarization layers in the vicinity of…

生物物理 · 物理学 2013-01-10 Guohui Hu , Mao Mao , Sandip Ghosal

Organic electrochemical transistors are extensively studied for applications ranging from bioelectronics to analog and neuromorphic computing. Despite significant advances, the fundamental interactions between the polymer semiconductor…

Polymer materials with low water uptake exhibit a highly heterogeneous interior, characterized by water clusters in the form of nanodroplets and nanochannels. Here, based on our recent insights from computer simulations, we argue that water…

软凝聚态物质 · 物理学 2022-06-16 Matej Kanduč , Rafael Roa , Won Kyu Kim , Joachim Dzubiella

Silicon nanocrystals (Si NCs) have shown great promise for electroluminescent and photoluminescent applications. In order to optimize the properties of Si NC devices, however, electronic transport in Si NCs films needs to be thoroughly…

介观与纳米尺度物理 · 物理学 2014-09-02 Ting Chen , Brian Skinner , Wei Xie , B. I. Shklovskii , Uwe R. Kortshagen