Creation of a conductive surface layer on polypropylene samples by low‐pressure plasma treatments

1995 ◽  
Vol 77 (11) ◽  
pp. 5695-5701 ◽  
Author(s):  
M. Collaud Coen ◽  
P. Groening ◽  
G. Dietler ◽  
L. Schlapbach
Keyword(s):  
Surface Layer ◽  
Low Pressure ◽  
Pressure Plasma ◽  
Plasma Treatments ◽  
Conductive Surface ◽  
Low Pressure Plasma

scholarly journals Influence of Low-Pressure Plasma on the Surface Properties of CAD-CAM Leucite-Reinforced Feldspar and Resin Matrix Ceramics

2020 ◽  
Vol 10 (24) ◽  
pp. 8856
Author(s):  
Pablo Sevilla ◽  
Carlos Lopez-Suarez ◽  
Jesús Pelaez ◽  
Celia Tobar ◽  
Veronica Rodriguez-Alonso ◽  
...  
Keyword(s):  
Surface Treatment ◽  
Plasma Treatment ◽  
Surface Properties ◽  
Ceramic Materials ◽  
Low Pressure ◽  
Resin Matrix ◽  
Ceramic Surface ◽  
Pressure Plasma ◽  
Plasma Treatments ◽  
Low Pressure Plasma

The introduction of new ceramic materials for dental restorations is currently a reality; however, little information is available on their surface treatment for the bonding process. Furthermore, surface treatment with plasma on ceramic materials has been recently introduced, although not many studies are available. The aim of this study was to evaluate the surface properties of a leucite-reinforced feldspar ceramic (LIC) and resin matrix ceramic (RMC) after low-pressure plasma treatment. From each material, 48 discs were prepared and subject to surface treatment. The LIC group was treated by hydrofluoric acid (HF) (LIC-HF), plasma with oxygen (LIC-O2), and plasma with argon (LIC-Ar). The RMC group was treated by sandblasting with alumina (RMC-SB), plasma with oxygen (RMC-O2), and plasma with argon (RMC-Ar). The groups whose surfaces were not subjected to treatment were considered as the control group. Surface wettability and roughness was analyzed. The results showed significant differences among the treatments for both ceramics regarding wettability and roughness. Plasma treatments increased the wettability and had a very low effect on the roughness. Plasma treatments achieved similar values for both surface properties in each ceramic group with no differences between both treatments. Plasma treatment seems to be a promising alternative for ceramic surface treatments since it increased the surface energy of the ceramics analyzed and hardly affects the roughness. Further studies are necessary to evaluate the effect of plasma treatment on the bond strength of ceramics.

Effects of low pressure plasma treatments on DSSCs based on rutile TiO2 array photoanodes

2015 ◽  
Vol 324 ◽  
pp. 143-151 ◽  
Author(s):  
Weiqi Wang ◽  
Jiazang Chen ◽  
Jianqiang Luo ◽  
Yuzhi Zhang ◽  
Lian Gao ◽  
...  
Keyword(s):  
Low Pressure ◽  
Rutile Tio2 ◽  
Pressure Plasma ◽  
Plasma Treatments ◽  
Low Pressure Plasma

Characteristics of Low Pressure Plasma Sprayed Alumina Coating

2009 ◽  
Vol 24 (1) ◽  
pp. 117-121 ◽  
Author(s):  
Chun-Ming DENG ◽  
Ke-Song ZHOU ◽  
Min LIU ◽  
Chang-Guang DENG ◽  
Jin-Bing SONG ◽  
...  
Keyword(s):  
Low Pressure ◽  
Alumina Coating ◽  
Pressure Plasma ◽  
Low Pressure Plasma ◽  
Plasma Sprayed

scholarly journals Effect of Low-Pressure Plasma Treatment Parameters on Wrinkle Features

Materials ◽  
2020 ◽  
Vol 13 (17) ◽  
pp. 3852
Author(s):  
Bongjun Gu ◽  
Dongwook Ko ◽  
Sungjin Jo ◽  
Dong Choon Hyun ◽  
Hyeon-Ju Oh ◽  
...  
Keyword(s):  
Power Flow ◽  
Treatment Time ◽  
Argon Plasma ◽  
Negative Ions ◽  
Low Pressure ◽  
Nitrogen Plasma ◽  
Pressure Plasma ◽  
Positive Ions ◽  
Low Pressure Plasma ◽  
Optical Adhesive

Wrinkles attract significant attention due to their ability to enhance the mechanical and optical characteristics of various optoelectronic devices. We report the effect of the plasma gas type, power, flow rate, and treatment time on the wrinkle features. When an optical adhesive was treated using a low-pressure plasma of oxygen, argon, and nitrogen, the oxygen and argon plasma generated wrinkles with the lowest and highest wavelengths, respectively. The increase in the power of the nitrogen and oxygen plasma increased the wavelengths and heights of the wrinkles; however, the increase in the power of the argon plasma increased the wavelengths and decreased the heights of the wrinkles. Argon molecules are heavier and smaller than nitrogen and oxygen molecules that have similar weights and sizes; moreover, the argon plasma comprises positive ions while the oxygen and nitrogen plasma comprise negative ions. This resulted in differences in the wrinkle features. It was concluded that a combination of different plasma gases could achieve exclusive control over either the wavelength or the height and allow a thorough analysis of the correlation between the wrinkle features and the characteristics of the electronic devices.

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