期刊
POLYMER
卷 71, 期 -, 页码 60-69出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2015.06.040
关键词
Poly(p-xylylene); Metal-polymer nanocomposites; Surface plasmon resonance
资金
- Council of the President of the Russian Federation [MK-1156.2014.3]
- Russian Ministry of Science and Education [11.G34.31.0055]
- Russian Foundation for Basic Research [13-03-12256, 15-03-08502]
- European project Interreg IV Rhin-Solar [C25]
In this study, variable-temperature grazing-incidence X-ray diffraction, transmission electron and scanning force microscopy were employed to address the semicrystalline structure and surface morphology of thin poly(p-xylylene) - silver nanocomposite films with Ag concentrations up to 12 vol.%. It was observed that the dominant crystalline modification of poly(p-xylylene) in the studied films is alpha-form, which is in contrast to thick poly(p-xylylene) films deposited at liquid nitrogen temperature where beta-form prevails. The films exhibit planar texture that can be further enhanced on annealing. The optical properties of the films were studied by UV-vis and IR-spectroscopy. It was found that the samples display surface plasmon resonance, with the peak wavelength in the range of 435-445 nm. The peak positions undergo a redshift upon a long-term storage under ambient conditions. The IR-spectroscopy reveals the bands, which can be assigned to the vibrations of oxygen-containing groups, with intensity increasing with silver content. (C) 2015 Elsevier Ltd. All rights reserved.
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