English
Related papers

Related papers: Why are Fluid Densities So Low in Carbon Nanotubes…

200 papers

The mechanism of the selective dispersion of single-walled carbon nanotubes (CNTs) by polyfluorene polymers is studied in this paper. Using extensive molecular dynamics simulations, it is demonstrated that diameter selectivity is the result…

Materials Science · Physics 2015-09-02 Hongliu Yang , Viktor Bezugly , Jens Kunstmann , Arianna Filoramo , Gianaurelio Cuniberti

This work revisits capillary filling dynamics in the regime of nanometric to subnanometric channels. Using molecular dynamics simulations of water in carbon nanotubes, we show that for tube radii below one nanometer, both the filling…

Fluid Dynamics · Physics 2016-03-28 Simon Gravelle , Christophe Ybert , Lydéric Bocquet , Laurent Joly

Although continuum theories have been proven quite robust to describe confined fluid flow at molecular length scales, molecular dynamics (MD) simulations reveal mechanistic insights into the interfacial dissipation processes. Most MD…

Fluid Dynamics · Physics 2024-02-26 Hannes Holey , Peter Gumbsch , Lars Pastewka

A simple 1D lattice gas model is presented, which very well describes the equilibrium and kinetic behaviors of water confined in a thin carbon nanotube found in an atomistic molecular dynamics(MD) simulation {[} Nature {\bf 414}, 188 (2001)…

Statistical Mechanics · Physics 2007-05-23 Xin Zhou , Cheng-Quan Li , Mitsumasa Iwamoto

Ability to encapsulate molecules is one of the outstanding features of nanotubes. The encapsulation alters physical and chemical properties of both nanotubes and guest species. The latter normally form a separate phase, exhibiting…

Materials Science · Physics 2014-07-23 Vitaly Chaban , Oleg Prezhdo

The one-dimensional confinement of quasiparticles in individual carbon nanotubes (CNTs) leads to extremely anisotropic electronic and optical properties. In a macroscopic ensemble of randomly oriented CNTs, this anisotropy disappears…

The physics of diffusion phenomena in nano and micro channels has attracted a lot of attention in recent years, due to its close connection with many technological, medical and industrial applications. In the present paper we employ a…

Soft Condensed Matter · Physics 2015-09-30 Umberto Marini Bettolo Marconi , Paolo Malgaretti , Ignacio Pagonabarraga

Bulk and nanoconfined liquids have initially very different physics; for instance, nanoconfined liquids show stratification and position-dependent relaxation processes. A number of similarities between bulk and nanoconfined liquids have…

Soft Condensed Matter · Physics 2014-09-23 Trond S. Ingebrigtsen , Jeppe C. Dyre

In the last decades a large effort has been devoted to the study of water confined in hydrophobic geometries at the nanoscale (tubes, slit pores), because of the multiple technological applications of such systems, ranging from drugs…

Soft Condensed Matter · Physics 2019-12-23 A Zaragoza , MA Gonzalez , L Joly , I Lopez-Montero , MA Canales , AL Benavides , C Valeriani

CdS nanotubes with wall thickness comparable to excitonic diameter of the bulk material are synthesized by a chemical route. A change in experimental conditions result in formation of nanowires, and well-separated nanoparticles. The…

Materials Science · Physics 2009-02-16 A. K. Mahapatra

Water behaves very differently at surfaces and under extreme confinement, but the boundary between these two regimes has remained unclear. Despite evidence that interfacial effects persist under sub-nanometre confinement, the…

Chemical Physics · Physics 2025-12-15 Xavier R. Advincula , Christoph Schran , Angelos Michaelides

We present the results of analytical study and Molecular Dynamics simulation of low energy nonlinear non-stationary dynamics of single-walled carbon nanotubes (CNTs). New phenomena of intensive energy exchange between different parts of CNT…

Mesoscale and Nanoscale Physics · Physics 2014-12-30 Valeri V. Smirnov , Leonid I. Manevitch , Matteo Strozzi , Francesco Pelicano

Although density functional theory provides reliable predictions for the static properties of simple fluids under confinement, a theory of comparative accuracy for the transport coefficients has yet to emerge. Nonetheless, there is evidence…

An investigation concerning the tautness of suspended carbon nanotubes (CNTs), grown using the chemical vapor deposition (CVD) method is presented. The suspended nanotubes were analyzed with both a transmission electron microscope (TEM),…

Materials Science · Physics 2007-05-23 Z. R. Abrams , Y. Hanein

We use Molecular Dynamics simulations to study how the nanopore and the fluid structures affects the dynamic, thermodynamic and structural properties of a confined anomalous fluid. The fluid is modeled using an effective pair potential…

Soft Condensed Matter · Physics 2015-06-23 Leandro B. Krott , José Rafael Bordin , Ney Marçal Barraz , Marcia C. Barbosa

We experimentally demonstrate the formation of salt aggregations with unexpectedly high concentration inside multi-walled carbon nanotubes (CNTs) soaked only in dilute salt solutions and even in solutions containing only traces of salts.…

Materials Science · Physics 2018-12-26 Xueliang Wang , Guosheng Shi , Shanshan Liang , Jian Liu , Deyuan Li , Gang Fang , Renduo Liu , Long Yan , Haiping Fang

The energy absorption on nanometer scale is vital for many bio and chemical systems. We report here that a two times amplification in absorption efficiency can be achieved by water molecules confined in carbon nanotubes with small radius,…

Mesoscale and Nanoscale Physics · Physics 2022-07-19 Rong-Yao Yang , Wei-Zhou Jiang , Pei-Ying Huo , Qi-Lin Zhang

We study by Monte Carlo simulations a coarse-grained model of a water layer confined in a fixed disordered matrix of hydrophobic nanoparticles at different particle concentrations c. For c=0 (bulk water) we find a first order liquid-liquid…

Statistical Mechanics · Physics 2015-05-20 Elena G. Strekalova , Marco G. Mazza , H. Eugene Stanley , Giancarlo Franzese

Fluid phase equilibria involving nano-dispersed phases, where at least one of the coexisting phases is confined to a small volume, are investigated by molecular dynamics simulation. Complementing previous studies on nanoscopic droplets,…

Mesoscale and Nanoscale Physics · Physics 2013-07-23 Martin Horsch , Hans Hasse

On one hand, classical Monte Carlo and molecular dynamics (MD) simulations have been very useful in the study of liquids in nanotubes, enabling a wide variety of properties to be calculated in intuitive agreement with experiments. On the…

Fluid Dynamics · Physics 2013-11-12 Mihail Garajeu , Henri Gouin , Giuseppe Saccomandi