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      A Review of Plasma Synthesis Methods for Polymer Films and Nanoparticles under Atmospheric Pressure Conditions

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          Abstract

          In this paper, we present an overview of recent approaches in the gas/aerosol-through-plasma (GATP) and liquid plasma methods for synthesizing polymer films and nanoparticles (NPs) using an atmospheric-pressure plasma (APP) technique. We hope to aid students and researchers starting out in the polymerization field by compiling the most commonly utilized simple plasma synthesis methods, so that they can readily select a method that best suits their needs. Although APP methods are widely employed for polymer synthesis, and there are many related papers for specific applications, reviews that provide comprehensive coverage of the variations of APP methods for polymer synthesis are rarely reported. We introduce and compile over 50 recent papers on various APP polymerization methods that allow us to discuss the existing challenges and future direction of GATP and solution plasma methods under ambient air conditions for large-area and mass nanoparticle production.

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          Most cited references119

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          Ultrahigh-power micrometre-sized supercapacitors based on onion-like carbon.

          Electrochemical capacitors, also called supercapacitors, store energy in two closely spaced layers with opposing charges, and are used to power hybrid electric vehicles, portable electronic equipment and other devices. By offering fast charging and discharging rates, and the ability to sustain millions of cycles, electrochemical capacitors bridge the gap between batteries, which offer high energy densities but are slow, and conventional electrolytic capacitors, which are fast but have low energy densities. Here, we demonstrate microsupercapacitors with powers per volume that are comparable to electrolytic capacitors, capacitances that are four orders of magnitude higher, and energies per volume that are an order of magnitude higher. We also measured discharge rates of up to 200 V s(-1), which is three orders of magnitude higher than conventional supercapacitors. The microsupercapacitors are produced by the electrophoretic deposition of a several-micrometre-thick layer of nanostructured carbon onions with diameters of 6-7 nm. Integration of these nanoparticles in a microdevice with a high surface-to-volume ratio, without the use of organic binders and polymer separators, improves performance because of the ease with which ions can access the active material. Increasing the energy density and discharge rates of supercapacitors will enable them to compete with batteries and conventional electrolytic capacitors in a number of applications.
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            Non-thermal plasma technologies: new tools for bio-decontamination.

            Bacterial control and decontamination are crucial to industrial safety assessments. However, most recently developed materials are not compatible with standard heat sterilization treatments. Advanced oxidation processes, and particularly non-thermal plasmas, are emerging and promising technologies for sanitation because they are both efficient and cheap. The applications of non-thermal plasma to bacterial control remain poorly known for several reasons: this technique was not developed for biological applications and most of the literature is in the fields of physics and chemistry. Moreover, the diversity of the devices and complexity of the plasmas made any general evaluation of the potential of the technique difficult. Finally, no experimental equipment for non-thermal plasma sterilization is commercially available and reference articles for microbiologists are rare. The present review aims to give an overview of the principles of action and applications of plasma technologies in biodecontamination.
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              Oscillations in Ionized Gases.

              I Langmuir (1928)
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                Author and article information

                Contributors
                Role: Academic Editor
                Role: Academic Editor
                Journal
                Polymers (Basel)
                Polymers (Basel)
                polymers
                Polymers
                MDPI
                2073-4360
                10 July 2021
                July 2021
                : 13
                : 14
                : 2267
                Affiliations
                [1 ]School of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, Daegu 41566, Korea; bs00201@ 123456knu.ac.kr (H.J.J.); eyjung@ 123456knu.ac.kr (E.Y.J.)
                [2 ]GBS (Global Business Services) IT, The Procter & Gamble Company, Cincinnati, OH 45202, USA; trav.parson@ 123456gmail.com
                [3 ]School of Electronics Engineering, College of IT Engineering, Kyungpook National University, Daegu 41566, Korea
                [4 ]Department of Electronics and Computer Engineering, College of Engineering, Kansas State University, Manhattan, KS 66506, USA
                Author notes
                [* ]Correspondence: hstae@ 123456ee.knu.ac.kr (H.-S.T.); purplepcs@ 123456ksu.edu (C.-S.P.)
                [†]

                These authors contributed equally to this work.

                Article
                polymers-13-02267
                10.3390/polym13142267
                8309454
                34301024
                247035c4-d098-4950-8fcd-5036a1e70589
                © 2021 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( https://creativecommons.org/licenses/by/4.0/).

                History
                : 25 May 2021
                : 06 July 2021
                Categories
                Review

                atmospheric-pressure plasma,solution plasma,plasma polymerization,polymer films,room temperature growth,nanoparticles

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