Thermocapillary approaches to the deliberate patterning of polymers

JP Singer - Journal of Polymer Science Part B: Polymer …, 2017 - Wiley Online Library
The phenomenon of thermocapillarity, the response of fluids to thermal gradients due to
thermal alteration of their surface tension, was first reported over a century ago. Since then …

Numerical study of the thermocapillary instability in a thin liquid–air film

Q Yang, Y Liu, X Jia, T Zhang, F Song - Physics of Fluids, 2022 - pubs.aip.org
It is well known that thermal field would cause instability on a two-fluid interface due to the
Marangoni effect. This phenomenon is also referred to as thermocapillary flow. A thin …

Mathematical modelling of thermocapillary patterning in thin liquid film: an equilibrium study

Q Yang, BQ Li, X Lv, F Song, Y Liu… - Journal of Fluid Mechanics, 2021 - cambridge.org
Thermocapillary patterning, namely, the formation of micro/nano patterns in a liquid film by
surface deformation induced by an imposed thermal gradient, has enjoyed widespread …

Enhanced thermal stability of thermoplastic polymer nanostructures for nanoimprint lithography

Y Jiang, B Luo, X Cheng - Materials, 2019 - mdpi.com
Thermoplastic polymer micro-and nanostructures suffer pattern decay when heated to a
temperature close to or above the polymer's glass transition temperature. In this work, we …

Phase-field numerical study on the dynamic process of thermocapillary patterning

Q Yang, Y Liu, X Jia, T Zhang, H Tian, J Fan, Q Xu… - Physical Review E, 2022 - APS
It is well known that surface tension is dependent on temperature, and thus a nonuniform
temperature may cause thermocapillary flow which is referred to as the Marangoni effect. For …

A numerical study for thermocapillary induced patterning of thin liquid films

A Mohammadtabar, H Nazaripoor, A Riad… - Physics of …, 2020 - pubs.aip.org
The underlying mechanism of thermal induced patterning is investigated using a numerical
phase-field model. Research on the subject has been mostly restricted to lubrication …

[HTML][HTML] Marangoni flow of thin liquid film underneath a topographical plate

F Song, Y Liu, T Zhang, J Fan, Q Yang - Case Studies in Thermal …, 2022 - Elsevier
Marangoni flow occurs when a fluid-fluid free surface is exposed to a non-uniform thermal
field. Recently, Marangoni flow has been used to fabricate micro/nano-structures in thin …

Thermally induced interfacial instabilities and pattern formation in confined liquid nanofilms

H Nazaripoor, MR Flynn, CR Koch, M Sadrzadeh - Physical Review E, 2018 - APS
The dynamics, instability, and pattern formation of thermally triggered thin liquid films are
investigated numerically under a long-wave limit approximation. To determine the …

Thermocapillary patterning of non-Newtonian thin films

A Mohammadtabar, H Nazaripoor, A Riad… - Physics of …, 2022 - pubs.aip.org
Deformation of thin viscous liquid films exposed to a transverse thermal gradient results in
Bénard–Marangoni instability, which would lead to the formation of micro-and nano-sized …

Formation and control of secondary nanostructures in electro-hydrodynamic patterning of ultra-thin films

S Dwivedi, R Mukherjee, A Atta - Thin Solid Films, 2017 - Elsevier
Based on a computational model involving finite element method, we report the
morphological evolution and pattern formation process in a thin polymer film subject to an …