DataVXACS Applied Polymer MaterialsPaper
journal article·2020-08-14Open access

Direct Laser Writing to Generate Molds for Polymer Nanopillar Replication

Colm Delaney, Niamh Geoghegan, Hossam Ibrahim, Mark O’Loughlin, Brian J. Rodriguez, Larisa Florea, Susan M. Kelleher

ACS Applied Polymer Materials· Volume 2· Issue 8
Publisher pageOpen full text
Source abstract

Abstract

Herein, we exploit direct laser writing as a means to fabricate negative masters for the generation of polymeric nanopillars, via replica molding. Through the optimization of design parameters, fabrication configurations, and polymerization protocols, we demonstrate for the first time the fabrication of large-area negative templates, which can be used to repeatedly produce some of the tallest (>1.5 μm) and thinnest (<300 nm) pillars achieved in biocompatible photocurable polymers, such as polyethylene glycol diacrylate, polypropylene glycol diacrylate, and polycaprolactone dimethacrylate. This combination serves to add value to two-photon polymerization and to extend its potential to the facile production of millimeter-sized arrays of submicron pillars of infinite combinations of height, diameter, and pitch, in a wide variety of compliant, biocompatible, and biodegradable materials.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsBiomaterials

OpenAlex topics: Nonlinear Optical Materials Studies · Nanofabrication and Lithography Techniques · Laser Material Processing Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemistry, Science Centre−South, University College Dublin, Belfield, Dublin 4, Ireland

CÚRAM, Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland

Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland

School of Physics, University College Dublin, Belfield, Dublin 4, Ireland

School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland

Funding

Science Foundation Ireland · Irish Research Council · European Regional Development Fund · H2020 European Research Council

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