Boosting the electro-mechanical coupling of piezoelectric polyvinyl alcohol–polyvinylidene fluoride blends by dispersing nano-graphene platelets

Valadorou, Dimitra; Papathanassiou, A. N.; Kolonelou, Eirini; Sakellis, Elias

doi:10.1088/1361-6463/ac629d

Cited by 6 publications

(4 citation statements)

References 46 publications

(71 reference statements)

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“…Poly(vinyl alcohol) (PA)-PVDF blends can improve piezoelectric coefficient by ca. 150% comparing to the pure PVDF [264]. The enhancement of PVDF piezoelectric properties can be achieved, for example, by simultaneous addition of G, MnO2 and MWCNTs [265].…”

Section: Practical Applications Of Pvdf-cnms In Various Generatorsmentioning

confidence: 99%

Current and future applications of PVDF-carbon nanomaterials in energy and sensing

Kujawa,

Boncel,

Al-Gharabli

et al. 2024

Chemical Engineering Journal

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Section: Practical Applications Of Pvdf-cnms In Various Generatorsmentioning

confidence: 99%

Current and future applications of PVDF-carbon nanomaterials in energy and sensing

Kujawa,

Boncel,

Al-Gharabli

et al. 2024

Chemical Engineering Journal

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“…PVA is a water-soluble polymer known for its physicochemical properties, film formation, flexibility, and thermal stability [79]. There are studies showing a for manufacturing high-quality crystalline thin layers of piezoelectric γ-glycine between PVA layers.…”

Section: Companymentioning

confidence: 99%

“…Other biological materials with piezoelectric properties can be found in natur example, 16 amino acids and their compounds hold piezoelectric properties at ro perature. Among them, the one with the most promising piezoelectric characteris PVA is a water-soluble polymer known for its physicochemical properties, such as film formation, flexibility, and thermal stability [79]. There are studies showing a method for manufacturing high-quality crystalline thin layers of piezoelectric γ-glycine crystals between PVA layers.…”

Section: Companymentioning

confidence: 99%

A Review on Sustainable Inks for Printed Electronics: Materials for Conductive, Dielectric and Piezoelectric Sustainable Inks

Sanchez-Duenas,

Gomez,

Larrañaga

et al. 2023

Materials

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In the last decades, the demand for electronics and, therefore, electronic waste, has increased. To reduce this electronic waste and the impact of this sector on the environment, it is necessary to develop biodegradable systems using naturally produced materials with low impact on the environment or systems that can degrade in a certain period. One way to manufacture these types of systems is by using printed electronics because the inks and the substrates used are sustainable. Printed electronics involve different methods of deposition, such as screen printing or inkjet printing. Depending on the method of deposition selected, the developed inks should have different properties, such as viscosity or solid content. To produce sustainable inks, it is necessary to ensure that most of the materials used in the formulation are biobased, biodegradable, or not considered critical raw materials. In this review, different inks for inkjet printing or screen printing that are considered sustainable, and the materials that can be used to formulate them, are collected. Printed electronics need inks with different functionalities, which can be mainly classified into three groups: conductive, dielectric, or piezoelectric inks. Materials need to be selected depending on the ink’s final purpose. For example, functional materials such as carbon or biobased silver should be used to secure the conductivity of an ink, a material with dielectric properties could be used to develop a dielectric ink, or materials that present piezoelectric properties could be mixed with different binders to develop a piezoelectric ink. A good combination of all the components selected must be achieved to ensure the proper features of each ink.

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“…To overcome these limitations of sensors based on either smart pattern design or piezoelectric composites, intrinsically stretchable piezoelectric materials in the form of polymer blends with tailored macroscopically uniform properties can be developed. Polymer blends containing the polar β phase PVDF have been widely studied as piezoelectric films and nanofibers, such as PVDF/poly(methyl-methacrylate) (PMMA), − PVDF/poly(vinyl alcohol) (PVA), PVDF/thermoplastic polyurethane (TPU), and PVDF/photopolymers, and their piezoelectric properties and stretchability are compared in Table S1. In particular, for stretchable sensor materials, PVDF/acrylonitrile butadiene rubber (NBR) blend can be a potential candidate that possesses both stretchability and piezoelectricity.…”

Section: Introductionmentioning

confidence: 99%

Highly Stretchable Printed Poly(vinylidene fluoride) Sensors through the Formation of a Continuous Elastomer Phase

Sodano

2023

ACS Appl. Mater. Interfaces

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Stretchable piezoelectric stress/strain sensing materials have attracted substantial research interest in the fields of wearable health monitoring, motion capturing, and soft robotics. These sensors require operation under dynamic loading conditions with high strain range, changing strain/loading rates, and varying pre-stretch states, which are challenging conditions for existing sensors to produce reliable measurements. To overcome these challenges, an intrinsically stretchable poly(vinylidene fluoride) (PVDF) sensor is developed through the polymer blending of PVDF and acrylonitrile butadiene rubber (NBR). Through precipitation printing and vulcanization, the resulting PVDF/NBR blends exhibit strong β phase PVDF and a blend morphology with submicron-level phase separation, but also strains up to 544%. Both the blend morphology and the mechanical properties indicate that this PVDF/NBR blend can be considered as a continuous elastomer phase above micron scale. After electric poling and adding electrodes, the PVDF/NBR blends have excellent piezoelectric properties to be used as both stretching mode strain sensors and compression mode stress/force sensors. The stretching mode sensors can measure strain up to 70% without strain rate and prestretch dependence, while the compression mode sensors have a loading-rate-independent linear voltage−stress relationship up to 4.8 MPa stress and a negligible pre-stretch dependence. Therefore, the PVDF/NBR sensors can provide accurate and reliable stress/ strain measurements when attached to soft structures, which paves the way for sensing and calibration of soft robots under dynamic loading conditions.

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Boosting the electro-mechanical coupling of piezoelectric polyvinyl alcohol–polyvinylidene fluoride blends by dispersing nano-graphene platelets

Cited by 6 publications

References 46 publications

Current and future applications of PVDF-carbon nanomaterials in energy and sensing

Current and future applications of PVDF-carbon nanomaterials in energy and sensing

A Review on Sustainable Inks for Printed Electronics: Materials for Conductive, Dielectric and Piezoelectric Sustainable Inks

Highly Stretchable Printed Poly(vinylidene fluoride) Sensors through the Formation of a Continuous Elastomer Phase

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