Hydrophilic Surface Modification of Amorphous Hydrogenated Carbon Nanocomposite Films via Atmospheric Oxygen Plasma Treatment

被引：2
|
作者：
Lazauskas, Algirdas [1 ]
Andrulevicius, Mindaugas [1 ]
Abakeviciene, Brigita [1 ]
Jucius, Dalius [1 ]
Grigaliunas, Viktoras [1 ]
Guobiene, Asta [1 ]
Meskinis, Sarunas [1 ]
机构：
[1] Kaunas Univ Technol, Inst Mat Sci, K Barsausko 59, LT-51423 Kaunas, Lithuania
来源：
NANOMATERIALS | 2023年 / 13卷 / 06期
关键词：
oxygen plasma; hydrophilic; wetting; surface modification; DLC; SiOx; DIAMOND-LIKE CARBON; A-CHSIOX COATINGS; DLC FILM; ENERGY; PRESSURE; FRICTION; SILICON;
D O I：
10.3390/nano13061108
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein we investigated hydrophilic surface modification of SiOx containing amorphous hydrogenated carbon nanocomposite films (DLC:SiOx) via the use of atmospheric oxygen plasma treatment. The modified films exhibited effective hydrophilic properties with complete surface wetting. More detailed water droplet contact angle (CA) measurements revealed that oxygen plasma treated DLC:SiOx films maintained good wetting properties with CA of up to 28 +/- 1 degrees after 20 days of aging in ambient air at room temperature. This treatment process also increased surface root mean square roughness from 0.27 nm to 1.26 nm. Analysis of the surface chemical states suggested that the hydrophilic behavior of DLC:SiOx treated with oxygen plasma is attributed to surface enrichment with C-O-C, SiO2, and Si-Si chemical bonds as well as significant removal of hydrophobic Si-CHx functional groups. The latter functional groups are prone to restoration and are mainly responsible for the increase in CA with aging. Possible applications of the modified DLC:SiOx nanocomposite films could include biocompatible coatings for biomedical applications, antifogging coatings for optical components, and protective coatings to prevent against corrosion and wear.
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页数：9
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