Microscale Processing with Non-thermal Plasma Discharges and Its Application

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: 20 February 2025 | Viewed by 1547

Special Issue Editors


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Guest Editor
Department of Mechanical and Aerospace Engineering, George Washington University, Washington, DC 20052, USA
Interests: plasma technology; plasma–surface interactions; thin films and coatings; nanomaterials
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Mechanical and Aerospace Engineering, George Washington University, Washington, DC 20052, USA
Interests: nanoparticles; surface nanopatterning; photonic crystals and optical metamaterials; colorimetry; optical characterization; plasma–surface physics; sol–gel synthesis
Special Issues, Collections and Topics in MDPI journals
Department of Mechanical and Aerospace Engineering, George Washington University, Washington, DC 20052, USA
Interests: low-temperature plasma physics; plasma diagnostics; PIC simulation; plasma chemistry; plasma medicine; machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue showcases cutting-edge examples of surface processing for use in applications within the fields of energy, biomedicine, and microelectronics. Non-equilibrium plasmas constitute very effective media of transport and delivery, having many purposes, such as coating deposition, surface etching/texturing, or functionalization. The scope here goes beyond the typical cases in the thin-film industry and aims to collect the latest know-how on the topics of (1) chemical modification for catalysis, biosensing, and microfluidics applications, and (2) surface engineering to manufacture or modify materials, including nano- and biomaterials. This engingeering is always using light and radicals generated by specially dedicated microplasma sources. Other issues related to the modeling and optimization tools of the processes mentioned, such as machine learning and artificial intelligence, will also be considered.

The presented plasma techniques target processes in the domains of atoms, molecules, cells, and organic tissues. This Special Issue thereby welcomes contributions on plasma processes that seek to generate functional interfaces from the nano- to macroscale. Such a multiscale approach may enable the development of a multidisciplinary line of work aligned with some of the most relevant challenges in electronics, biology, and environmental engineering.

Dr. Carles Corbella
Dr. Sabine Portal
Dr. Li Lin
Guest Editors

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Keywords

  • atmospheric microplasma jets
  • atomic layer deposition/etching (ALD/ALE)
  • biochemical sensors
  • low-temperature plasmas
  • microfluidic plasmas
  • micro/nanolithography
  • physics of microdischarges
  • plasma medicine
  • plasma nanosynthesis
  • single-atom catalysts

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Published Papers (1 paper)

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Research

15 pages, 8929 KiB  
Article
Plasma Technology Applied to Improve Wettability for Emerging Mycelium-Based Materials
by Paz Aragón Chivite, Núria Portolés Gil, Ruth Garcia Campà, Lorenzo Bautista Pérez and Paula Félix de Castro
Processes 2024, 12(5), 933; https://doi.org/10.3390/pr12050933 - 3 May 2024
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Abstract
Plasma technology is increasing its applications in the textile industry for conferring surface functionalities through greener processes. In this study, plasma treatments are studied to improve the wettability of mycelium-based material, an emerging material with a lot of potential in the near future. [...] Read more.
Plasma technology is increasing its applications in the textile industry for conferring surface functionalities through greener processes. In this study, plasma treatments are studied to improve the wettability of mycelium-based material, an emerging material with a lot of potential in the near future. The plasma effect was characterized by assessing the added functionality (wettability) and inspecting surface modifications with different techniques, such as scanning electron microscopy (SEM) and X-Ray photoelectron spectroscopy (XPS). Low pressure plasma (LPP) treatments were successfully applied into the mycelium-based material and optimal power of discharge and treatment time were set for this material (750 W, 17.5 min). With the optimized LPP treatments, the water absorption capacity of mycelium-based material was improved by 2000% and some surface morphological modifications were observed by SEM analysis. On the other hand, XPS analysis demonstrated how the plasma treatment changes the surface composition. Full article
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