Structure and gas-barrier properties of amorphous hydrogenated carbon films deposited on inner walls of cylindrical polyethylene terephthalate by plasma-enhanced chemical vapor deposition

被引:10
作者
Li, Jing [1 ]
Gong, Chunzhi [1 ,2 ]
Tian, Xiubo [1 ]
Yang, Shiqin [1 ]
Fu, Ricky K. Y. [2 ]
Chu, Paul K. [2 ]
机构
[1] Harbin Inst Technol, Sch Mat Sci & Engn, State Key Lab Adv Welding Prod Technol, Harbin 150001, Peoples R China
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
关键词
Amorphous hydrogenated carbon film; Plasma-enhanced chemical vapor deposition; Radio frequency; Raman spectroscopy; Uniformity; DIAMOND-LIKE CARBON; A-C-H; SOURCE ION-IMPLANTATION; THIN-FILMS; OXYGEN-BARRIER; PET FILM; TRIBOLOGICAL PROPERTIES; IMPROVEMENT; DURABILITY; SURFACES;
D O I
10.1016/j.apsusc.2008.10.064
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The influence of radio-frequency (RF) power on the structure and gas permeation through amorphous hydrogenated carbon films deposited on cylindrical polyethylene terephthalate (PET) samples is investigated. The results show that a higher radio-frequency power leads to a smaller sp(3)/sp(2) value but produces fewer defects with smaller size. The permeability of PET samples decreases significantly after a.C:H deposition and the RF only exerts a small influence. However, the coating uniformity, color, and wettability of the surface are affected by the RF power. A higher RF power results in to better uniformity and it may be attributed to the combination of the high-density plasma and sample heating. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码:3983 / 3988
页数:6
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