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Issue 18, 2015
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The effect of poling conditions on the performance of piezoelectric energy harvesters fabricated by wet chemistry

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Abstract

The effect of poling conditions on the power output of piezoelectric energy harvesters using sol–gel based Pb(Zr0.53,Ti0.47)O3–Pb(Zn1/3,Nb2/3)O3 piezoelectric thin-films has been investigated. A strong correlation was established between the poling efficiency and harvester output. A method based on simple capacitance–voltage measurements is shown to be an effective approach to estimate the power output of harvesters poled under different conditions. The poling process was found to be thermally activated with an activation energy of 0.12 eV, and the optimum poling conditions were identified (200 kV cm−1, 250 °C for 50 min). The voltage output and power density obtained under optimum poling conditions were measured to be 558 V cm−2 and 325 μW cm−2, respectively.

Graphical abstract: The effect of poling conditions on the performance of piezoelectric energy harvesters fabricated by wet chemistry

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Publication details

The article was received on 19 Jan 2015, accepted on 25 Mar 2015 and first published on 25 Mar 2015


Article type: Paper
DOI: 10.1039/C5TA00447K
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Citation: J. Mater. Chem. A, 2015,3, 9837-9842
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    The effect of poling conditions on the performance of piezoelectric energy harvesters fabricated by wet chemistry

    E. M. A. Fuentes-Fernandez, B. E. Gnade, M. A. Quevedo-Lopez, P. Shah and H. N. Alshareef, J. Mater. Chem. A, 2015, 3, 9837
    DOI: 10.1039/C5TA00447K

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