Atmospheric pressure plasma jet for surface material modification: a mini-review

Setiawan, U H; Nurcahyo, I F; Saraswati, Teguh Endah

doi:10.1088/1742-6596/2190/1/012010

Cited by 6 publications

(3 citation statements)

References 19 publications

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“…Cold plasma jets, particularly atmospheric pressure cold plasma jets (APCPJs) excited by pulsed power supplies, operate at low gas temperatures and contain an abundance of excited state particles, ultraviolet photons, ozone molecules, free radicals, etc. They hold significant potential for a wide range of applications, including surface modification, disinfection and sterilization, air purification, wastewater treatment, and others [1][2][3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

A large-scale cold plasma jet: generation mechanism and application effect

CUI 崔,

ZHANG 张

2024

Plasma Sci. Technol.

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Atmospheric pressure cold plasma jets (APCPJs) typically exhibit a slender, conical structure, which imposes limitations on their application for surface modification due to the restricted treatment area. In this paper, we introduce a novel plasma jet morphology known as the large-scale cold plasma jet (LSCPJ), characterized by the presence of both a central conical plasma jet and a peripheral trumpet-like diffuse plasma jet. The experimental investigations have identified the factors influencing the conical and the trumpet-like diffuse plasma jet, and theoretical simulations have shed light on the role of the flow field and the electric field in shaping the formation of the LSCPJ. It is proved that, under conditions of elevated helium concentration, the distributions of impurity gas particles and the electric field jointly determine the plasma jet's morphology. High-speed ICCD camera images confirm the dynamic behavior of plasma bullets in LSCPJ, which is consistent with the theoretical analysis. Finally, it is demonstrated that when applied to the surface treatment of silicone rubber, LSCPJ can achieve a treatment area over 28 times larger than that of APCPJ under equivalent conditions. This paper uncovers the crucial role of impurity gases and electric fields in shaping plasma jet morphology and opens up the possibility of efficiently diversifying plasma jet generation effects through external electromagnetic fields. These insights hold the promise of reducing the generation cost of plasma jets and expanding their applications across various industrial sectors.

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Section: Introductionmentioning

confidence: 99%

A large-scale cold plasma jet: generation mechanism and application effect

CUI 崔,

ZHANG 张

2024

Plasma Sci. Technol.

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“…Atmospheric pressure discharge plasma has been widely used in many applications, such as biomedicine [16], material modification [17,18], soil remediation [19,20], directional transport of droplets [21] and artificial precipitation [22]. As a significant branch of the field, electrostatic fog harvesting has been extensively studied over the last 50 years worldwide.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of the enhancing effect of micro–nano protrusions on electrostatic fog harvesting

Zhang

Xiao

et al. 2023

J. Phys. D: Appl. Phys.

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Fog harvesting is one potential approach to provide supplementary water resources in arid areas. Considerable researches have been devoted to electrostatic fog harvesting technology, but there are still some problems such as high voltage, complex structure and expensive cost. Decorating micro-nano protrusions on the electrode is an effective method to lower operating voltage, improve fog harvesting efficiency, and the enhancement effect of protrusions has already been experimentally demonstrated. However, the enhancement mechanism on the microscopic level is less reported. This manuscript tries to explain why the micro-nano protrusions can enhance the discharge and fog harvesting by numerical simulation. Three key processes of corona discharge, fog droplet migration, and fog harvesting efficiency are discussed in detail, especially the influence of droplet size, tip radius of protrusion, protrusion-protrusion angle and so on. The numerical simulation results show that the inception voltage of barbed electrode decreases from 7 kV to 3 kV (decrease in 57%), and current increases significantly (e.g. 68% at 15 kV). At 15 kV, the fog harvesting efficiency of barbed electrode is higher (29.8%) than that of smooth wire (25.7%), even with less effective collection area. The collection efficiency increases with the droplet size and exists an optimized ratio (~1‰) of protrusion tip radius and wire radius to gain high collection efficiency. This research results are beneficial for understanding the microscopic mechanism of protrusions enhancing electrostatic fog harvesting and providing guidance for further fog harvesting equipment improvement.

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“…Modifications of various material surfaces with NTP have been investigated 21 – 24 , but most often aimed at specific changes in surface properties rather than addressing potential material damage. Setiawan et al 21 reported a mini-review describing the plasma jet-produced NTP treatment of different materials (e.g., polymers, stainless steel, carbon material) and concluded that this treatment modifies the surface of the materials with the desired functional groups, changes its wettability, but does not change the properties within the material. Alavi et al 25 demonstrated that an atmospheric pressure plasma jet can locally activate the surfaces of 3D-printed structural polymers for the reagent-free covalent attachment of proteins and hydrogel.…”

Section: Introductionmentioning

confidence: 99%

Non-thermal plasma disinfecting procedure is harmless to delicate items of everyday use

Scholtz,

Jirešová,

Fišer

et al. 2023

Sci Rep

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Non-thermal plasma (NTP) is a well-known decontamination tool applicable for a wide range of microorganisms and viruses. Since the recent COVID-19 pandemic highlighted the need to decontaminate all daily used items, it is highly desirable to address the applicability of NTP, including its possible harmful effects. To the best of our knowledge, a comprehensive characterization of NTP effects on sensitive materials is still lacking. We investigated the potential damage to common materials of daily use inflicted by air atmospheric NTP generated in Plasmatico v1.0. The materials tested were paper, various metals, and passive and active electronic components modelling sensitive parts of commonly used small electronic devices. The NTP-exposed paper remained fully usable with only slight changes in its properties, such as whitening, pH change, and degree of polymerization. NTP caused mild oxidation of copper, tinned copper, brass, and a very mild oxidation of stainless steel. However, these changes do not affect the normal functionality of these materials. No significant changes were observed for passive electronic components; active components displayed a very slight shift of the measured values observed for the humidity sensor. In conclusion, NTP can be considered a gentle tool suitable for decontamination of various sensitive materials.

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Atmospheric pressure plasma jet for surface material modification: a mini-review

Cited by 6 publications

References 19 publications

A large-scale cold plasma jet: generation mechanism and application effect

A large-scale cold plasma jet: generation mechanism and application effect

Numerical simulation of the enhancing effect of micro–nano protrusions on electrostatic fog harvesting

Non-thermal plasma disinfecting procedure is harmless to delicate items of everyday use

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