Enhanced surface insulating performance for polystyrene by atmospheric pressure plasma jet deposition

Kong, Fei; Zhang, Penghao; Yu, Wenbin; Zhang, Cheng; Liu, Jianben; Ren, Chengyan; Shao, Tao

doi:10.1016/j.apsusc.2020.146826

Cited by 40 publications

(25 citation statements)

References 39 publications

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“…The vacuum flashover threshold voltage test was carried out with finger electrodes equipped in the test chamber (10 –4 Pa), and the distance between electrodes was 12 mm. Note that the test power supply was a nanosecond pulse power supply (CMPC-50D) . The surface morphology and microstructure were characterized by scanning electron microscopy (SEM, Zeiss sigma, Germany) and transmission electron microscopy (TEM, JEM-2100 Plus, JEOL, Japan).…”

Section: Methodsmentioning

confidence: 99%

“…The atmospheric pressure plasma deposition system is shown in Figure S2, and the details of the deposition system are described in our previous work. 49 In brief, the AC power supply has a maximum power of 1000 W and a frequency of 20 kHz. The compressed air acts as the gas for exciting plasma and carrying the reactive precursor.…”

Section: Methodsmentioning

confidence: 99%

“… The harmful emissions in the plasma deposition processing are negligible . In previous research, inorganic coatings (such as TiN, Cr 2 O 3 ) are deposited on a solid material surface by atmospheric pressure plasma deposition successfully. …”

Section: Introductionmentioning

confidence: 99%

“…47 (4) The harmful emissions in the plasma deposition processing are negligible. 48 In previous research, inorganic coatings (such as TiN, 49 Cr 2 O 3 50 ) are deposited on a solid material surface by atmospheric pressure plasma deposition successfully. In this work, to improve the surface insulation performance of alumina ceramics, we design a FGM structure based on the TiO 2 coating.…”

Section: Introductionmentioning

confidence: 99%

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Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

Kong

Zhao

Zhang

et al. 2021

ACS Appl. Mater. Interfaces

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Functionally graded materials (FGMs) exhibit unique properties and are expected to deliver outstanding and stable performance under extreme conditions. High-voltage, high-power FGM-based electric insulation commonly fails because of inadequate surface charge control (flashover) performance and stability of stacked layers of dielectric materials with graded permittivity εr. Here, we address these issues by interfacing the rutile and anatase TiO2 layers on a ceramic with very different εr values of 110, 48, and 9, respectively, using scalable, environment-benign, and energy-efficient atmospheric pressure plasma processing. The FGM drastically reduces the maximum electric field along the optimized surface by 66% and increases surface flashover voltage by 36 %, while featuring a remarkable (120/180 days) long-term stability. The mechanisms of the plasma-enabled graded layer formation are presented, which can be used for precise engineering of FGMs for diverse applications in other fields.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

Kong

Zhao

Zhang

et al. 2021

ACS Appl. Mater. Interfaces

Self Cite

View full text Add to dashboard Cite

show abstract

“…They used tetraethyl titanate (TTEO) which was dissolved in dried ethanol as the precursor. They used a plasma jet system that was with figure 1d, using an AC power supply with a frequency of 20 kHz and power 360 W. The working gas was nitrogen with a flow rate of 20 L/min, and the carrier gas of TTEO was argon with a flow rate of 5 L/min [15].…”

Section: Plasma Jet Designsmentioning

confidence: 99%

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

Setiawan

Nurcahyo

Saraswati

2022

J. Phys.: Conf. Ser.

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Plasma jet is one of the methods for surface material modification that is economically and environmentally friendly. This method can be applied in ambient pressure that makes this method more feasible. The discharge of plasma from the plasma jet can be adjusted according to the design used. Carrier gas that is used in the plasma jet system can also be adapted to the needs or appropriate to the target material. The gases that can be used are helium, argon, etc. A variant gas flow rate will also affect the plasma species and the surface material characteristics produced. Modifying a material with certain compounds can be done by passing the active gases or vapors through the carrier gas. The use of the plasma jet method possibly converts the surface material to be hydrophobic or hydrophilic characteristics. Moreover, the plasma jet technique is applicable for various materials or substrates in any dimension. This review article will discuss the parameters applied, such as various designs, carrier gas, gas flow rates, power used in the plasma jet.

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Promoted field emission and cell attachment of TiO₂ nanorods/carbon fiber with hydrogen doping induced by cold atmospheric‐pressure Ar/H₂ plasma jet

Zhu

Yin

et al. 2021

Nano Select

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Cold atmospheric‐pressure plasma jet not only modifies surface morphology but also introduces functional groups on sample surfaces. In this work, TiO2 nanorods/carbon fiber (TNCF) is hydrothermally prepared, and hydrogen‐doped TNCF (H:TNCF) is obtained by the surface treatment of TNCF using cold atmospheric‐pressure Ar/H2 Plasma jet. H and OH spectral lines are observed from the emitting spectrum of atmospheric‐pressure Ar/H2 plasma jet. Nanoscaled protrusions appear at top of TiO2 nanorods after the surface treatment of cold atmospheric‐pressure Ar/H2 plasma jet. OH functional groups form on the surface of H:TNCF, based on the results of FTIR, Raman and XPS analysis. Furthermore, hydrogen doping can lower the band gap from 3.2 eV of TNCF to 2.9 eV of H:TNCF, and reduce the work function from 4.97 eV of TNCF to 4.71 eV of H:TNCF. Field emission property and cell compatibility of TNCF and H:TNCF are investigated. Field emission property of TNCF is considerably improved by hydrogen doping, due to a reduced work function and a higher field enhancement factor. In the cell attachment experiments, H:TNCF exhibits more attached cells with a larger cell attachment area, compared with the TNCF sample. The obtained results show H:TNCF prepared by hydrothermal method combined with cold atmospheric‐pressure Ar/H2 Plasma jet will be a promising candidate for field emission and biocompatibility applications.

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Enhanced surface insulating performance for polystyrene by atmospheric pressure plasma jet deposition

Cited by 40 publications

References 39 publications

Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

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

Promoted field emission and cell attachment of TiO₂ nanorods/carbon fiber with hydrogen doping induced by cold atmospheric‐pressure Ar/H₂ plasma jet

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Enhanced surface insulating performance for polystyrene by atmospheric pressure plasma jet deposition

Cited by 40 publications

References 39 publications

Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

Two-Phase-Interfaced, Graded-Permittivity Titania Electrical Insulation by Atmospheric Pressure Plasmas

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

Promoted field emission and cell attachment of TiO2 nanorods/carbon fiber with hydrogen doping induced by cold atmospheric‐pressure Ar/H2 plasma jet

Contact Info

Product

Resources

About

Promoted field emission and cell attachment of TiO₂ nanorods/carbon fiber with hydrogen doping induced by cold atmospheric‐pressure Ar/H₂ plasma jet