Parametric study of plasma surface activation of PTFE by
multi-hollow surface DBD atmospheric pressure plasma generated
in air, H2/N2 gas mixture and oxygen: Influence of process
parameters

J 2026

Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters

FENG, Jianyu; Richard KRUMPOLEC; Monika STUPAVSKÁ; Olha KSENZOVA; Dušan KOVÁČIK et al.

Základní údaje

Originální název

Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters

Autoři

FENG, Jianyu; Richard KRUMPOLEC ; Monika STUPAVSKÁ; Olha KSENZOVA; Dušan KOVÁČIK a Mirko ČERNÁK

Vydání

Vacuum, PERGAMON-ELSEVIER SCIENCE LTD, 2026, 0042-207X

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10305 Fluids and plasma physics

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 3.900 v roce 2024

Označené pro přenos do RIV

Ano

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Polytetrafluoroethylene (Teflon ;PTFE); Atmospheric plasma; Surface modification; Plasma treatment optimization; Wettability; Roughness

Štítky

14312030, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 2. 1. 2026 14:33, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

This study systematically investigates the surface activation of polytetrafluoroethylene (PTFE) foils using atmospheric pressure plasma generated by a multi-hollow surface dielectric barrier discharge (MSDBD) system. The effects of different working gases—air, H2/N2, and pure oxygen—were evaluated. Wettability was assessed by water contact angle (WCA) and surface free energy measurements. Changes in surface chemistry, and roughness were characterized using XPS and AFM. Plasma treatment significantly enhances surface wettability in all cases, with WCA decreasing from ∼114° for the untreated to below 93° after 1 s air and H2/N2 plasma treatment, and to ∼97° after 1 s O2 plasma treatment. While a slight degree of wettability recovery was noted during the initial days following air and oxygen plasma treatment, the improved wettability was largely maintained after two weeks of storage, with H2/N2 plasma showing virtually no hydrophobic recovery. The remote plasma characteristics of MSDBD allowed for effective surface modification within a treatment distance of 0.1–1 mm, particularly for air and H2/N2 plasmas, demonstrating robust and scalable capabilities for industrial applications. XPS analysis revealed the incorporation of oxygen-containing functional groups, most prominently for the H2/N2 plasma treatment, where the CO/CF ratio increased 14 % at most. These chemical modifications were accompanied by changes in surface roughness, which varied depending on the gas type and treatment duration.

Návaznosti

LM2023039, projekt VaV

Název: Centrum výzkumu a vývoje plazmatu a nanotechnologických povrchových úprav

Investor: Ministerstvo školství, mládeže a tělovýchovy ČR, R&D centre for plasma and nanotechnology surface modifications

Citovat

FENG, Jianyu; Richard KRUMPOLEC; Monika STUPAVSKÁ; Olha KSENZOVA; Dušan KOVÁČIK a Mirko ČERNÁK. Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters. Vacuum. PERGAMON-ELSEVIER SCIENCE LTD, 2026, roč. 244, January, s. 114861-114873. ISSN 0042-207X. Dostupné z: https://doi.org/10.1016/j.vacuum.2025.114861.

@article{2543418,
   author = {Feng, Jianyu and Krumpolec, Richard and Stupavská, Monika and Ksenzova, Olha and Kováčik, Dušan and Černák, Mirko},
   article_number = {January},
   doi = {https://doi.org/10.1016/j.vacuum.2025.114861},
   keywords = {Polytetrafluoroethylene (Teflon ;PTFE); Atmospheric plasma; Surface modification; Plasma treatment optimization; Wettability; Roughness},
   language = {eng},
   issn = {0042-207X},
   journal = {Vacuum},
   title = {Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters},
   url = {https://doi.org/10.1016/j.vacuum.2025.114861},
   volume = {244},
   year = {2026}
}

TY  - JOUR
ID  - 2543418
AU  - Feng, Jianyu - Krumpolec, Richard - Stupavská, Monika - Ksenzova, Olha - Kováčik, Dušan - Černák, Mirko
PY  - 2026
TI  - Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters
JF  - Vacuum
VL  - 244
IS  - January
SP  - 114861
EP  - 114861
PB  - PERGAMON-ELSEVIER SCIENCE LTD
SN  - 0042207X
KW  - Polytetrafluoroethylene (Teflon ;PTFE)
KW  - Atmospheric plasma
KW  - Surface modification
KW  - Plasma treatment optimization
KW  - Wettability
KW  - Roughness
UR  - https://doi.org/10.1016/j.vacuum.2025.114861
N2  - This study systematically investigates the surface activation of polytetrafluoroethylene (PTFE) foils using atmospheric pressure plasma generated by a multi-hollow surface dielectric barrier discharge (MSDBD) system. The effects of different working gases—air, H2/N2, and pure oxygen—were evaluated. Wettability was assessed by water contact angle (WCA) and surface free energy measurements. Changes in surface chemistry, and roughness were characterized using XPS and AFM. Plasma treatment significantly enhances surface wettability in all cases, with WCA decreasing from ∼114° for the untreated to below 93° after 1 s air and H2/N2 plasma treatment, and to ∼97° after 1 s O2 plasma treatment. While a slight degree of wettability recovery was noted during the initial days following air and oxygen plasma treatment, the improved wettability was largely maintained after two weeks of storage, with H2/N2 plasma showing virtually no hydrophobic recovery. The remote plasma characteristics of MSDBD allowed for effective surface modification within a treatment distance of 0.1–1 mm, particularly for air and H2/N2 plasmas, demonstrating robust and scalable capabilities for industrial applications. XPS analysis revealed the incorporation of oxygen-containing functional groups, most prominently for the H2/N2 plasma treatment, where the CO/CF ratio increased 14 % at most. These chemical modifications were accompanied by changes in surface roughness, which varied depending on the gas type and treatment duration.
ER  -

FENG, Jianyu; Richard KRUMPOLEC; Monika STUPAVSKÁ; Olha KSENZOVA; Dušan KOVÁČIK a Mirko ČERNÁK. Parametric study of plasma surface activation of PTFE by multi-hollow surface DBD atmospheric pressure plasma generated in air, H2/N2 gas mixture and oxygen: Influence of process parameters. \textit{Vacuum}. PERGAMON-ELSEVIER SCIENCE LTD, 2026, roč.~244, January, s.~114861-114873. ISSN~0042-207X. Dostupné z: https://doi.org/10.1016/j.vacuum.2025.114861.

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