Impact of the Marangoni Effect on Thin Film Thickness Profile after Drying of Polymer Solution Coated on a Flat Substrate | Zendy

Hiroyuki Kagami | Zendy

Open Access

Impact of the Marangoni Effect on Thin Film Thickness Profile after Drying of Polymer Solution Coated on a Flat Substrate

Author(s) -

Hiroyuki Kagami

Publication year - 2014

Publication title -

proceedings of the 12th asia pacific physics conference (appc12)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.7566/jpscp.1.015087

Subject(s) - marangoni effect , materials science , substrate (aquarium) , polymer , composite material , thin film , nanotechnology , convection , mechanics , geology , oceanography , physics

The drying of polymer solution coated on a flat substrate is important in various industrial applications. We have proposed and subsequently modified a model of this drying process for flat polymer thin film fabrication. In this study, we incorporate the Marangoni effect as pseudo-negative diffusion at an upper gas-liquid interface into the existing model. Through numerical simulation based on the modified model, we demonstrate that the solute at the upper gas-liquid interface is attracted more strongly to the edge due to the Marangoni effect.

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