Optical and chemical properties of polyterpenol thin films deposited via plasma-enhanced chemical vapor deposition

Bazaka, Kateryna, Jacob, Mohan V., and Bowden, Bruce F. (2011) Optical and chemical properties of polyterpenol thin films deposited via plasma-enhanced chemical vapor deposition. Journal of Materials Research, 26 (8). pp. 1018-1025.

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Abstract

The development of novel organic polymer thin films is essential for the advancement of many emerging fields including organic electronics and biomedical coatings. In this study, the effect of synthesis conditions, namely radio frequency (rf) deposition power, on the material properties of polyterpenol thin films derived from nonsynthetic environmentally friendly monomer was investigated. At lower deposition powers, the polyterpenol films preserved more of the original monomer constituents, such as hydroxy functional groups; however, they were also softer and more hydrophilic compared to polymers fabricated at higher power. Enhanced monomer fragmentation and consequent reduction in the presence of the polar groups in the structure of the high-power samples reduced their optical band gap value from 2.95 eV for 10 W to 2.64 eV for 100 W. Regardless of deposition power, all samples were found to be optically transparent with smooth, defect-free, and homogenous surfaces.

Item ID: 18215
Item Type: Article (Refereed Research - C1)
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ISSN: 2044-5326
Date Deposited: 27 Sep 2011 07:04
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091208 Organic Semiconductors @ 50%
09 ENGINEERING > 0912 Materials Engineering > 091209 Polymers and Plastics @ 50%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970109 Expanding Knowledge in Engineering @ 100%
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