Strategies for high quality injection moulding of polymer nanopillars

Pedersen, R. H., Xu, Q., Stormonth-Darling, J. M. and Gadegaard, N. (2015) Strategies for high quality injection moulding of polymer nanopillars. Macromolecular Materials and Engineering, 300(2), pp. 172-180. (doi:10.1002/mame.201400134)

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Abstract

Injection moulding is a proven technology for high-throughput production of nanostructures, but replication of raised structures is a considerable challenge, due to the complexities of cavity filling. We have developed a platform to systematically study the effects of nanostructures with aspect ratios up to 1.2:1. A master template containing nanostructures with a continuous variation in height is produced by a novel fabrication approach using a plasma polymerized hexane layer, deposited with a thickness gradient, as a sacrificial etch mask. Results show that a careful choice of process parameters can control the stretching of nanopillar replica dimensions, allowing a variety of final pattern heights using a single master.

Item Type:Articles
Additional Information:This is the peer reviewed version of the following article: Pedersen, R. H., Xu, Q., Stormonth-Darling, J. M., and Gadegaard, N. (2015) Strategies for high quality injection moulding of polymer nanopillars. Macromolecular Materials and Engineering, 300(2), pp. 172-180., which has been published in final form at http://dx.doi.org/10.1002/mame.201400134. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Stormonth-Darling, Mr John and Pedersen, Mr Rasmus and Gadegaard, Professor Nikolaj
Authors: Pedersen, R. H., Xu, Q., Stormonth-Darling, J. M., and Gadegaard, N.
College/School:College of Science and Engineering
College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:Macromolecular Materials and Engineering
Publisher:Wiley
ISSN:1438-7492
ISSN (Online):1439-2054
Copyright Holders:Copyright © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
First Published:First published in Macromolecular Materials and Engineering 300(2):172-180
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
474131Artificial photosynthesis: Solar fuelsRichard CogdellEngineering & Physical Sciences Research Council (EPSRC)EP/F047851/1RI MOLECULAR CELL & SYSTEMS BIOLOGY