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Multi-layered PVDF Systems for Enhanced Energy Harvesting and Sensing

Published online by Cambridge University Press:  17 June 2011

Jennifer Jones ,
Roberto S. Aga Jr  and
Richard Mu
Jennifer Jones
Affiliation:
Center for Physics and Chemistry of Materials, Fisk University 1000 17th Ave. N. Nashville, TN 37208-3051, U.S.A.
Roberto S. Aga Jr
Affiliation:
Center for Physics and Chemistry of Materials, Fisk University 1000 17th Ave. N. Nashville, TN 37208-3051, U.S.A.
Richard Mu
Affiliation:
Center for Physics and Chemistry of Materials, Fisk University 1000 17th Ave. N. Nashville, TN 37208-3051, U.S.A.
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Abstract

The peak output voltage (VL) of polyvinylidene fluoride (PVDF) piezoelectric devices has been investigated as a function of load resistance (RL). Two identical piezoelectric devices were mounted, back to back, on a vibrating cantilever giving almost similar VL. Using RL values in the range of 4.6 KΩ to 1 MΩ, it was observed that VL was doubled when the devices were connected in parallel but it did not change when the devices were connected in series. For single, parallel and series configurations, VL increases linearly with increasing RL. These results are explained well by modeling the device as a discharging capacitor with internal source of charge generation.

Keywords

piezoelectricpolymerelectrical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-hh03-16
Copyright
Copyright © Materials Research Society 2011

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References

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