A flexible energy harvester based on a lead-free and piezoelectric BCTZ nanoparticle–polymer composite
- 14 September 2016
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Nanoscale
- Vol. 8 (40), 17632-17638
- https://doi.org/10.1039/c6nr05784e
Abstract
Lead-free piezoelectric 0.5(Ba0.7Ca0.3)TiO3–0.5Ba(Zr0.2Ti0.8)O3 (BCTZ) nanoparticles (NPs) composed of earth-abundant elements were adopted for use in a flexible composite-based piezoelectric energy harvester (PEH) that can convert mechanical deformation into electrical energy. The solid-state synthesized BCTZ NPs and silver nanowires (Ag NWs) chosen to reduce the toxicity of the filler materials were blended with a polydimethylsiloxane (PDMS) matrix to produce a piezoelectric nanocomposite (p-NC). The naturally flexible polymer-based p-NC layers were sandwiched between two conductive polyethylene terephthalate plastic substrates to achieve a flexible energy harvester. The BCTZ NP-based PEH effectively generated an output voltage peak of ∼15 V and a current signal of ∼0.8 μA without time-dependent degradation. This output was adequate to operate a liquid crystal display (LCD) and to turn on six blue light emitting diodes (LEDs).Keywords
This publication has 48 references indexed in Scilit:
- Piezoelectric nanogenerators – a review of nanostructured piezoelectric energy harvestersNano Energy, 2015
- Piezoelectric and ferroelectric materials and structures for energy harvesting applicationsEnergy & Environmental Science, 2013
- Nanotechnology‐Enabled Energy Harvesting for Self‐Powered Micro‐/NanosystemsAngewandte Chemie-International Edition, 2012
- Flexible Nanocomposite Generator Made of BaTiO3 Nanoparticles and Graphitic CarbonsAdvanced Materials, 2012
- Piezoelectric nanogenerators—Harvesting ambient mechanical energy at the nanometer scaleNano Energy, 2012
- Piezotronic and Piezophototronic EffectsThe Journal of Physical Chemistry Letters, 2010
- GaN Nanowire Arrays for High-Output NanogeneratorsJournal of the American Chemical Society, 2010
- Converting Biomechanical Energy into Electricity by a Muscle-Movement-Driven NanogeneratorNano Letters, 2009
- Power generation with laterally packaged piezoelectric fine wiresNature Nanotechnology, 2008
- Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire ArraysScience, 2006