What controls thermo-osmosis? Molecular simulations show the critical role of interfacial hydrodynamics

L Fu, S Merabia, L Joly - Physical review letters, 2017 - APS
Thermo-osmotic and related thermophoretic phenomena can be found in many situations
from biology to colloid science, but the underlying molecular mechanisms remain largely …

Understanding fast and robust thermo-osmotic flows through carbon nanotube membranes: Thermodynamics meets hydrodynamics

L Fu, S Merabia, L Joly - The journal of physical chemistry letters, 2018 - ACS Publications
Following our recent theoretical prediction of the giant thermo-osmotic response of the water–
graphene interface, we explore the practical implementation of waste heat harvesting with …

Effect of axial electric field on confined water in carbon nanotube: Enhancement of thermophoresis

H Dang, D Song, Z Lin, M An, W Ma, X Zhang - International Journal of Heat …, 2022 - Elsevier
Strengthening the thermophoresis of nanoscale confined liquid is an intrinsic topic in
nanoscale devices and systems. Unfortunately, enhancing thermophoresis via an …

Nanopumps without pressure gradients: Ultrafast transport of water in patterned nanotubes

E Papadopoulou, CM Megaridis… - The Journal of …, 2021 - ACS Publications
The extreme liquid transport properties of carbon nanotubes present new opportunities for
surpassing conventional technologies in water filtration and purification. We demonstrate …

Water thermophoresis in carbon nanotubes: the interplay between thermophoretic and friction forces

E Oyarzua, JH Walther, HA Zambrano - Physical Chemistry Chemical …, 2018 - pubs.rsc.org
Thermophoresis is the phenomenon wherein particles experience a net drift induced by a
thermal gradient. In this work, molecular dynamics simulations are conducted to study with …

A nanopump using carbon nanotube hetero-junction driven by symmetric temperature gradients

Y Jin, X Gao, K Zhang, Z Li - Physics of Fluids, 2021 - pubs.aip.org
In this work, we report a thermal pump using a carbon nanotube (CNT) hetero-junction,
which is formed by connecting two CNTs of different diameters. Through molecular …

Thermophoretically driven water droplets on graphene and boron nitride surfaces

R Rajegowda, SK Kannam, R Hartkamp… - …, 2018 - iopscience.iop.org
We investigate thermally driven water droplet transport on graphene and hexagonal boron
nitride (h-BN) surfaces using molecular dynamics simulations. The two surfaces considered …

Analysing thermophoretic transport of water for designing nanoscale-pumps

R Rajegowda, SP Sathian - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
We propose a new design for thermally induced water pumping through carbon nanotubes
by imposing a thermal gradient along the length of a carbon nanotube (CNT), which …

Layer-based thermal migration of an ionic liquid nano-droplet on a graphene surface: a molecular dynamics study

J Wang, Y Zhang, X Wang, EJ Maginn - Molecular Simulation, 2020 - Taylor & Francis
The migration behaviour of an ionic liquid (IL) nano-droplet on a graphene surface under
temperature gradients was studied using non-equilibrium molecular dynamics (MD) …

Phonon coupling induced thermophoresis of water confined in a carbon nanotube

R Rajegowda, A Anandakrishnan… - Physical Chemistry …, 2020 - pubs.rsc.org
The controlled transport of water through nanoscale devices is an important requirement in
the design and development of various nanofluidic systems. Molecular dynamics …