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 …

Pattern formation in thin polymeric films via electrohydrodynamic patterning

G Lv, H Tian, J Shao, D Yu - RSC advances, 2022 - pubs.rsc.org
The free surface of a thin polymeric film is often unstable and deforms into various micro-
/nano-patterns under an externally applied electric field. This paper reviews a recent …

Electrokinetic Thin-Film Model for Electrowetting: The Role of Bulk Charges

S Goel, DS Pillai - Langmuir, 2023 - ACS Publications
The electrowetting behavior of a charge-carrying sessile droplet is relevant to applications
such as point-of-care diagnostics. Often biomedical assays involve droplets that contain …

Analytical solution for transient electroosmotic flow in a rotating microchannel

B Gheshlaghi, H Nazaripoor, A Kumar, M Sadrzadeh - RSC advances, 2016 - pubs.rsc.org
An analytical solution is developed for the unsteady flow of fluid through a parallel rotating
plate microchannel, under the influence of electrokinetic force using the Debye–Hückel (DH) …

Tuning Electronic and Functional Properties in Defected MoS2 Films by Surface Patterning of Sulphur Atomic Vacancies

D Gentili, G Calabrese, E Lunedei, F Borgatti… - Small …, 2024 - Wiley Online Library
Defects are inherent in transition metal dichalcogenides and significantly affect their
chemical and physical properties. In this study, surface defect electrochemical …

Thermo-electrohydrodynamic patterning in nanofilms

H Nazaripoor, CR Koch, M Sadrzadeh… - Langmuir, 2016 - ACS Publications
To improve the electrically assisted patterning process and create smaller sized features
with the higher active surface area, the combined thermocapillary-electrohydrodynamic (TC …

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 …

A photocurable leaky dielectric for highly electrical insulating electrohydrodynamic micro-/nanopatterns

G Wang, G Lv, S Zhang, J Shao, X Li, H Tian, D Yu… - Soft Matter, 2016 - pubs.rsc.org
This communication describes an innovative photocurable leaky dielectric for
electrohydrodynamic patterning (EHDP). Based on the well-designed molecular structure …

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 …