Structure of Plasma‐Deposited Poly(acrylic acid) Films
作者： Alaa Fahmy , Renate Mix , Andreas Schönhals , Jörg F. Friedrich
关键词: X-ray photoelectron spectroscopy 、 Differential scanning calorimetry 、 Thin film 、 Analytical chemistry 、 Plasma polymerization 、 Dielectric 、 Dielectric spectroscopy 、 Polymer chemistry 、 Chemistry 、 Fourier transform infrared spectroscopy 、 Acrylic acid
摘要: Poly(acrylic acid) films with a thickness of about 150 nm were deposited using pulsed plasma onto aluminum and glass. The structure/property relationships these samples studied in dependence to the duty cycle (DC) by broad combination different techniques probes. For first time, volume sensitive methods (FTIR, dielectric spectroscopy, differential scanning calorimetry) are combined surface analyses i.e. XPS. an unambiguous identification COOH groups XPS, derivatization trifluoroethanol was accomplished. Quantitative FTIR investigations give qualitatively concentration upon DC similar that given XPS investigations. observed differences discussed considering analytical depths both methods. measurements reveal structure is from bulk material. Moreover, show also not thermally stable but undergo post chemical reaction during heating, where kinetics depends on DC.
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