Structural and functional properties of screen-printed PZT–PVDF-TrFE composites

Dietze, Matthias; Es‐Souni, M.

doi:10.1016/j.sna.2007.11.016

Cited by 125 publications

(99 citation statements)

References 20 publications

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“…The use of piezoelectric 0-3 composites for sensor applications has been extensively researched for a number of different polymer systems [3][4][5][6][7][8][9][10][11][12]. For this type of composite, mainly the thermoplastic ferroelectric polymer, poly-vinylidenefluoride (PVDF) [3][4][5][6][7][8][9][10] and thermosetting epoxy based resins [11,12] were used.…”

Section: Introductionmentioning

confidence: 99%

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The effect of calcining temperature on the properties of 0-3 piezoelectric composites of PZT and a liquid crystalline thermosetting polymer

2010

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We report on the optimisation of a recently developed high performance 0-3 piezoelectric composite comprising of the piezoelectric Lead Zirconate Titanate (PZT) powder and a liquid crystalline thermosetting matrix polymer (LCT). The matrix polymer is a liquid crystalline polymer comprising of an HBA-HNA backbone with phenylethynyl end-groups. The use of a high performance polymer makes the composite a possible candidate to be used in sensor applications at elevated temperatures. The composite properties were optimised by calcining the PZT powder at different temperatures, prior to mixing the powders into the LCT matrix. The aim is to study the effect of the calcining temperature on the piezoelectric properties of the composite The PZT powders were characterised by X-ray diffraction and scanning electron microscopy. The dielectric constant and piezoelectric charge constant (d 33 ) of the composite samples was measured. It was found that a relationship exists between the calcining temperature of the PZT powder and the piezoelectric properties of the composites. A maximum voltage constant of g 33 =63 mVm/N was obtained for a composite containing 40% (by volume) of PZT powder calcined at 1150°C.

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Section: Introductionmentioning

confidence: 99%

“…For this type of composite, mainly the thermoplastic ferroelectric polymer, poly-vinylidenefluoride (PVDF) [3][4][5][6][7][8][9][10] and thermosetting epoxy based resins [11,12] were used. In many of these studies, the PZT powder was a commercial PZT powder.…”

Section: Introductionmentioning

confidence: 99%

The effect of calcining temperature on the properties of 0-3 piezoelectric composites of PZT and a liquid crystalline thermosetting polymer

2010

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“…• Screen printable thick-films based upon piezoceramic powders [78] and composites such as polyvinylidene-trifluoroethylene-PZT (PVDF-TrFE) [79] • Organic crystals: single-crystal diisopropylammonium chloride (DIPAC) and diisopropylammonium bromide (DIPAB) [80,81] MEMS devices require thin and thick film technologies since the layers of the materials must be below 100 µm. Thin-film technologies, physical or chemical deposition, are used to fabricate films with thickness lower than 5 µm.…”

Section: Piezoelectric Materialsmentioning

confidence: 99%

MEMS Technologies for Energy Harvesting

Domínguez-Pumar

Pons-Nin

Chávez-Domínguez

2016

Nonlinearity in Energy Harvesting Systems

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The objective of this chapter is to introduce the technology of Microelectromechanical Systems, MEMS, and its application to emerging energy harvesting devices. The chapter begins with a general introduction to the most common MEMS fabrication processes. Next, the chapter follows with a survey of design mechanisms implemented in MEMS energy harvesters to provide nonlinear mechanical actuations. Mechanisms to produce bistable potential will be studied, such as by placing fixed magnets, buckling of beams, or by using slightly slanted clamped-clamped beams. Other nonlinear mechanisms are studied such as impact energy transfer, or the design of nonlinear springs. Finally, due to their importance in the field of MEMS and their application to energy harvesters, an introduction to the actuation with piezoelectric materials is made. Examples of energy harvesters found in the literature using this actuation principle are also presented.

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“…[1][2][3][4] Recently, polymer composites with ceramic fillers have been shown to be a promising materials for energy storage devices, because they can combine the high dielectric permittivity of ceramics with the good mechanical strength, flexibility, and the ease of processing of polymers. [5][6][7] To produce high dielectric permittivity ceramic-polymer composites, many studies have focused on the addition of ceramic particles with high dielectric permittivity, such as Pb(Zr, Ti)O 3 , 8 BaTiO 3 (BT), 6,9 and CaCu 3 Ti 4 O 12 (CCTO) 10,11 to polymers such as polyimide (PI), polyvinylidene fluoride (PVDF), or their copolymer matrix. For example, Dang et al 12 synthesized PVDF/BT composites containing 50 vol.% of nanoparticles and obtained a dielectric permittivity of 40.74 at 1 kHz.…”

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confidence: 99%

Ni-coated CaCu3Ti4O12/low density polyethylene composite material with ultra-high dielectric permittivity

et al. 2015

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We report a novel low-density polyethylene (LDPE) composite filled with nickel-coated CaCu3Ti4O12 ceramic (denoted as CCTO@Ni), prepared by a melt mixing technique, and its prominent dielectric characteristics. The effects of magnetic field treatment on the dielectric properties of CCTO@Ni/LDPE composite films with a low filler concentration of 10 vol.% were investigated. Our results show that the dielectric permittivity, loss tangent, and conductivity of the LDPE composite films initially improved and then decreased with increasing treatment time under the applied magnetic field. Magnetic field treatment for 60 min led to an ultra-high dielectric permittivity value of 1.57 × 104, four orders of magnitude higher than that of the pure LDPE material. Our results indicate that the magnetic treatment may have induced a percolation effect and enhanced the interfacial polarization of the CCTO@Ni/LDPE composite, resulting in the observed changes in its dielectric properties.

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Structural and functional properties of screen-printed PZT–PVDF-TrFE composites

Cited by 125 publications

References 20 publications

The effect of calcining temperature on the properties of 0-3 piezoelectric composites of PZT and a liquid crystalline thermosetting polymer

The effect of calcining temperature on the properties of 0-3 piezoelectric composites of PZT and a liquid crystalline thermosetting polymer

MEMS Technologies for Energy Harvesting

Ni-coated CaCu3Ti4O12/low density polyethylene composite material with ultra-high dielectric permittivity

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