Title :
Development and characterization of biodegradable conductive polymers for the next generation of RF bio-resonators
Author :
Boutry, Clementine M. ; Sun, Wei ; Strunz, Tobias ; Chandrahalim, Hengky ; Hierold, Christofer
Author_Institution :
Dept. of Mech. & Process Eng., ETH Zurich, Zurich, Switzerland
Abstract :
The objective of this research is to develop a completely polymeric and biodegradable RF driven RLC resonator circuit. New polymer composites are fabricated and characterized: they consist on conductive polymer nanoparticles (polypyrrole PPy) embedded in a biodegradable polymer matrix (both polylactide PLLA and polycaprolactone PCL are under investigation). The influence of PPy content and polymerization conditions (temperature, atmosphere, additional doping agent) on the resistivity are evaluated. A strong decrease of the resistivity is observed for composites containing more than 12% and 6% of PPy for PLLA/PPy and PCL/PPy, respectively. Resistivities of 0.0043Ω.m (PLLA/PPy39%) and 0.0016Ω.m (PCL/PPy39%) are achieved. A Matlab modelling and HFSS simulation of the RLC resonator performances based on the measured material properties is performed. The simulation results validate the use of these composites to successfully fabricate RLC resonators.
Keywords :
RLC circuits; biodegradable materials; biosensors; conducting polymers; filled polymers; nanoparticles; resonators; HFSS simulation; Matlab modelling; RF bio-resonators; biodegradable RF driven RLC resonator circuit; biodegradable conductive polymers; biodegradable polymer matrix; biosensors; conductive polymer nanoparticles; polymer composites; Conductivity; Electrical resistance measurement; Integrated circuit modeling; Mathematical model; Plastics; Polymers; Resonant frequency;
Conference_Titel :
Frequency Control Symposium (FCS), 2010 IEEE International
Conference_Location :
Newport Beach, CA
Print_ISBN :
978-1-4244-6399-2
DOI :
10.1109/FREQ.2010.5556332
