Journal
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
Volume 56, Issue 2, Pages 83-96Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00222348.2016.1270904
Keywords
dielectric relaxation; fullerene C-60; nanocomposites; polypyrrole; thermal properties
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Funding
- Kocaeli University [2013/23]
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This paper reports on the structural, thermal, and dielectric properties of polypyrrole/fullerene C-60 nanocomposites synthesized by a interfacial polymerization method. Fourier transform infrared (FT-IR) and ultraviolet-visible (UV-vis) analyses clearly indicated the existence of interactions between polypyrrole (PPy) and the fullerene C-60 nanoparticles. Thermal analyses indicated that the extrapolated onset degradation temperature (T-deg) of PPy increased with increasing doping level. Scanning electron microscopy (SEM) images showed that the fullerene C-60 changed the morphology of PPy. Dielectric analyses showed a temperature dependent dielectric relaxation behavior. The relaxation time of the nanocomposites with high doping levels tended to increase with increasing temperature. This behavior of the polypyrrole/fullerene C-60 nanocomposites indicated that they could be used as a high temperature ultrasonic transducer.
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