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http://dx.doi.org/10.6111/JKCGCT.2012.22.4.190

Synthesis of transparent diamond-like carbon film on the glass by radio-frequency plasma enhanced chemical vapor deposition  

Kim, Tae-Gyu (Department of Nanomechatronics Engineering, Pusan National University)
Shin, Yeong-Ho (Division of Advanced Nuclear Engineering, Pohang University of Science and Technology)
Cho, Hyun (Department of Nanomechatronics Engineering, Pusan National University)
Kim, Jin-Kon (Department of Nanomechatronics Engineering, Pusan National University)
Abstract
Transparent diamond-like carbon (DLC) films were synthesized on glass using radio frequency plasma enhanced chemical vapor deposition method from the gas mixture of $CH_4$, $SiH_4$ and Ar. The pressure, the rf-power, $CH_4/SiH_4/Ar$ ratio, and the deposition time were 0.1Torr, 100W, 20 : 1 : 1, and 20 min, respectively. The optical transmittances of DLC-deposited glass and uncoated glass were compared with each other in the visible light regions. The DLC-deposited glass showed transmittance of approximately 83 % and 95 % as compared to the uncoated glass for the wavelength of 380 nm and 500 nm, respectively. The hardness and roughness of DLC-coated glass have been measured by nanoindentation and AFM, respectively. The DLC-coated glass showed a little less or similar optical transmittance compared to the uncoated glass, while the hardness of DLC-coated glass was 2.5 times higher than that of the uncoated glass. The deposited DLC film had the very smooth surface and was thicker than 150 nm after deposition for 20 min.
Keywords
Diamond like carbon; Transparency; Radio frequency plasma enhanced chemical vapor deposition; Hardness; Surface roughness;
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Times Cited By KSCI : 2  (Citation Analysis)
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