Nanoimprinting and Sustainability

A special issue of Nanomanufacturing (ISSN 2673-687X).

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 5521

Special Issue Editor


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Guest Editor
Functional Surfaces and Nanostructures, Profactor GmbH, Steyr-Gleink, Austria
Interests: nanoimprint lithography; additive micro-and nanomanufacturing; applications of nanoimprinting from optics to life sciences
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Special Issue Information

Dear Colleagues,

The Brundtland Report (“Our Common Future”) from 1987 (https://sustainabledevelopment.un.org/content/documents/5987our-common-future.pdf) defines sustainable development as development that “meets the needs of the present without compromising the ability of future generations to meet their own needs”. Sustainability comprises three dimensions: environmental, economic and social. There is often a focus on environmental topics, especially in the context of the global climate and biodiversity crisis. The UN defined the 17 well-known Sustainable Development Goals (https://sdgs.un.org/goals), which address all three pillars of sustainability.

As scientists, researchers and engineers, we are working on topics which will influence the future; therefore, sustainability has to be an important aspect of our work.

Nanoimprinting has several key features which makes it very interesting for a broad range of applications, both in industry and research. It facilitates the replication of micro- and nanoscale features in a fast and cost-efficient process, allows the direct (additive) patterning of functional materials and can also be applied on complex and curved surfaces. Many applications that are realized with nanoimprinting already address sustainability aspects such as antireflective structures for photovoltaics or antifouling structures for ships. On the other hand, nanoimprinting itself can be a process which is run in a sustainable, energy- and resource-efficient way, potentially using materials from renewable sources.

This Special Issue aims to collect contributions dealing with the sustainability of nanoimprinting itself as well as with research and applications with a clear sustainability aspect that have been realized using nanoimprinting. It hopes to stimulate discussions and research for a more sustainable future.

Dr. Michael Mühlberger
Guest Editor

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Keywords

  • nanoimprint lithography
  • nanoimprinting
  • sustainability
  • sustainable micro- and nanopatterning processes
  • nanoimprint-based applications for sustainability

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Published Papers (3 papers)

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Research

12 pages, 5808 KiB  
Article
Nanoimprinted Polymeric Structured Surfaces for Facilitating Biofilm Formation of Beneficial Bacteria
by Yuyan Liu, Xavier Ferrer-Florensa, Claus Sternberg, Paul Kempen, Helmut Schift, Lone Gram and Rafael Taboryski
Nanomanufacturing 2024, 4(4), 202-213; https://doi.org/10.3390/nanomanufacturing4040014 - 27 Nov 2024
Viewed by 410
Abstract
Initial studies indicate that structured polymer surfaces can support the attachment and biofilm formation of bacteria and thereby provide enhanced positive effects of beneficial bacteria, for instance in biocontrol in aquacultures. In this study, we demonstrate a test platform to further explore the [...] Read more.
Initial studies indicate that structured polymer surfaces can support the attachment and biofilm formation of bacteria and thereby provide enhanced positive effects of beneficial bacteria, for instance in biocontrol in aquacultures. In this study, we demonstrate a test platform to further explore the surface topography for bacterial attachment and biofilm growth. It is based on a cyclic olefin copolymer (COC) materials platform, and nanoimprint technology was used for the replication of microstructures. The use of nanoimprint technology ensures precise micropattern transfer, enabling easy prototyping. Further, the process parameters of the mold preparation and nanoimprinting are discussed, with the purpose of optimizing the polymer pattern profile. This study has the potential to identify promising surfaces for biofilm growth of beneficial bacteria. Full article
(This article belongs to the Special Issue Nanoimprinting and Sustainability)
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12 pages, 11718 KiB  
Article
UV Nanoimprint Lithography—Impact of Coating Techniques on Pattern Quality
by Johanna Rimböck, Patrick Schuster, Lisa Vsetecka and Christine Thanner
Nanomanufacturing 2024, 4(1), 69-80; https://doi.org/10.3390/nanomanufacturing4010005 - 14 Mar 2024
Viewed by 1569
Abstract
In this work, three different coating techniques are compared and their applicability for ultraviolet nanoimprint lithography (UV-NIL) is investigated. As UV-NIL is considered a suitable volume manufacturing production solution for various emerging applications, it is mandatory to consider environmental aspects such as operational [...] Read more.
In this work, three different coating techniques are compared and their applicability for ultraviolet nanoimprint lithography (UV-NIL) is investigated. As UV-NIL is considered a suitable volume manufacturing production solution for various emerging applications, it is mandatory to consider environmental aspects such as operational energy use and material consumption as well as waste management. In this paper, spin coating, spray coating, and inkjet coating are used to coat both a high refractive index resin (n = 1.9) and a filler-free resin (n = 1.5), respectively. Variable Angle Spectroscopy Ellipsometry (VASE) was used to analyze the influence of different process parameters on the resin thickness as well as to compare the refractive index achieved from each coating technology. Finally, the applicability of the different coating methods for UV-NIL was investigated by imprinting the resin layers with different test structures. For the final imprints, the resolution, the surface roughness, and the pattern fidelity over 25 imprints was assessed using AFM. Finally, a comparison of the resin consumption and the process time was performed for each coating method. Full article
(This article belongs to the Special Issue Nanoimprinting and Sustainability)
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18 pages, 12824 KiB  
Article
Nanoimprinted Hierarchical Micro-/Nanostructured Substrates for the Growth of Cardiomyocyte Fibers
by Michael M. Mühlberger, Sonja Kopp, Alison A. Deyett, Markus Pribyl, Michael J. Haslinger, Anica M. Siegel, Philipp Taus, Elena Guillén, Aranxa Torres-Caballero, Bozhidar Baltov, Michael A. Netzer, Sonia Prado-López, Leif Yde, Jan Stensborg, Sasha Mendjan, Steffen Hering and Heinz D. Wanzenboeck
Nanomanufacturing 2023, 3(4), 416-433; https://doi.org/10.3390/nanomanufacturing3040026 - 7 Nov 2023
Cited by 2 | Viewed by 2246
Abstract
Investigating the behavior of cardiomyocytes is an important part of drug development. We present a structure and a related nanoimprint-based fabrication method, where the cardiomyocytes form isolated fibers, which is beneficial for drug testing, more closely representing the structure of the cardiomyocytes in [...] Read more.
Investigating the behavior of cardiomyocytes is an important part of drug development. We present a structure and a related nanoimprint-based fabrication method, where the cardiomyocytes form isolated fibers, which is beneficial for drug testing, more closely representing the structure of the cardiomyocytes in vivo. We found that channel structures with walls with a rough top surface stimulate cardiomyocytes to form such fibers, as desired. Nanoimprint lithography is used as a fast and cost-efficient method to fabricate our hierarchically structured cell growth substrates. Full article
(This article belongs to the Special Issue Nanoimprinting and Sustainability)
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