RF plasma polymerization of orange oil and characterization of the polymer thin films

Alancherry, Surjith, Bazaka, Kateryna, and Jacob, Mohan V. (2018) RF plasma polymerization of orange oil and characterization of the polymer thin films. Journal of Polymers and the Environment, 26 (7). pp. 2925-2933.

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The present study describes an environmentally friendly approach to fabricate hydrocarbon-rich polymer thin films from a bio-renewable precursor, orange oil, cold extracted from orange peels using radio frequency plasma polymerization. The polymer thin films fabricated at different RF power level (10–75 W) were characterized with variable angle spectroscopic ellipsometry, UV–visible spectroscopy, Fourier transform infrared spectroscopy and atomic force microscopy. Optical characterization showed that independent of deposition power films exhibited good transparency (~ 90%) in the visible region and a refractive index of 1.55 at 500 nm. The optical band gap measured around 3.60 eV and falls within the insulating region. The atomic force microscopic images revealed that the surface is pinhole-free in nature and smooth at nanoscale, with average surface roughness dependent on the deposition power. Film hardness increased from 0.50 to 0.78 GPa as applied power increased from 10 to 75 W.

Item ID: 54417
Item Type: Article (Research - C1)
ISSN: 1572-8919
Keywords: Plasma polymerization, Essential oil, Organic polymer, Optical properties
Copyright Information: © Springer Science+Business Media, LLC, part of Springer Nature 2018
Funders: Australian Research Council (ARC)
Date Deposited: 04 Jul 2018 07:35
FoR Codes: 40 ENGINEERING > 4016 Materials engineering > 401609 Polymers and plastics @ 50%
40 ENGINEERING > 4009 Electronics, sensors and digital hardware > 400909 Photonic and electro-optical devices, sensors and systems (excl. communications) @ 50%
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