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Early and intermediate stages of guided dewetting in polystyrene thin films

Citation

Ghezzi, M and Thickett, SC and Neto, C, Early and intermediate stages of guided dewetting in polystyrene thin films, Langmuir, 28, (27) pp. 10147-10151. ISSN 0743-7463 (2012) [Refereed Article]

Copyright Statement

Copyright 2012 American Chemical Society

DOI: doi:10.1021/la301773h

Abstract

We investigated the early and intermediate stages of the guided dewetting of polystyrene (PS) thin films on chemically patterned silicon, achieved by micro-contact printing of non-wettable self-assembling monolayers of an alkylsilane. Two different types of ordered patterns could be achieved depending on the annealing temperature and time. Study of the dynamics of hole growth revealed a deviation of the growth profile from the trend on homogeneous substrates, attributed to the pinning of the PS rims on the borders of the hydrophobic regions. The ordered patterns produced could be useful in applications that require spatially localized features of controlled surface chemistry, such as studies in proteomics, single cell studies, and biosensors.

Item Details

Item Type:Refereed Article
Research Division:Chemical Sciences
Research Group:Physical Chemistry (incl. Structural)
Research Field:Colloid and Surface Chemistry
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Thickett, SC (Dr Stuart Thickett)
ID Code:99395
Year Published:2012
Web of Science® Times Cited:13
Deposited By:Chemistry
Deposited On:2015-03-23
Last Modified:2017-10-24
Downloads:0

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