期刊
THIN SOLID FILMS
卷 516, 期 12, 页码 4053-4058出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2008.01.010
关键词
DLC; polycarbonate; Raman spectroscopy
Diamond-like carbon films were coated on optical polycarbonate using plasma-enhanced chemical vapor deposition. A mixture of SiH4 and CH4/H-2 gases was utilized to reduce the internal compressive stress of the deposited films. The structure of the DLC films was characterized as a function of film thickness using Raman spectroscopy. The dependence of G peak positions and the intensity ratio Of I-D/I-G on the DLC film thicknesses was analyzed in detail. Other studies involving atomic force microscopy, ultraviolet visible spectrometry, and three adhesion tests were conducted. Good transparency in the visible region, and good adhesion between diamond-like carbon films and polycarbonate were demonstrated. One-time recordings before and after a DLC film was coated on compact rewritable disc substrates were analyzed as a case study. The results reveal that the diamond-like carbon film overcoating the optical polycarbonates effectively protects the storage media. (C) 2008 Elsevier B.V. All rights reserved.
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