Abstract
Polyvinylidene fluoride (PVDF)-based piezoelectric materials (PEMs) have found extensive applications in energy harvesting which are being extended consistently to diverse fields requiring strenuous service conditions. Hence, there is a pressing need to mass produce PVDF-based PEMs with the highest possible energy harvesting ability under a given set of conditions. To achieve high yield and efficiency, solution blow spinning (SBS) technique is attracting a lot of interest due to its operational simplicity and high throughput. SBS is arguably still in its infancy when the objective is to mass produce high efficiency PVDF-based PEMs. Therefore, a deeper understanding of the critical parameters regarding design and processing of SBS is essential. The key objective of this review is to critically analyze the key aspects of SBS to produce high efficiency PVDF-based PEMs. As piezoelectric properties of neat PVDF are not intrinsically much significant, various additives are commonly incorporated to enhance its piezoelectricity. Therefore, PVDF-based copolymers and nanocomposites are also included in this review. We discuss both theoretical and experimental results regarding SBS process parameters such as solvents, dissolution methods, feed rate, viscosity, air pressure and velocity, and nozzle design. Morphological features and mechanical properties of PVDF-based nanofibers were also discussed and important applications have been presented. For completeness, key findings from electrospinning were also included. At the end, some insights are given to better direct the efforts in the field of PVDF-based PEMs using SBS technique.
Highlights
In 1880, Jacques and Pierre discovered that certain materials can generate electrical energy when subjected to mechanical strain through a phenomenon called piezoelectricity, and the materials exhibiting this characteristic are called piezoelectric materials (PEMs) [1]
In 1880, Jacques and Pierre discovered that certain materials can generate electrical energy when subjected toJacques mechanical straindiscovered through athat phenomenon calledcan piezoelectricity, and energy the materials
In direct occurring PEMs is quartz whose crystalline and amorphous structures are shown in Figure 1a,b, piezoelectric[2]
Summary
In 1880, Jacques and Pierre discovered that certain materials can generate electrical energy when subjected to mechanical strain through a phenomenon called piezoelectricity, and the materials exhibiting this characteristic are called piezoelectric materials (PEMs) [1]. PEMs is quartz whose crystalline and amorphous structures are shown in Figure 1a,b, respectively [2]. In 1880, Jacques and Pierre discovered that certain materials can generate electrical energy when subjected toJacques mechanical straindiscovered through athat phenomenon calledcan piezoelectricity, and energy the materials. In 1880, and Pierre certain materials generate electrical when exhibiting this characteristic are called piezoelectric materials (PEMs) [1]. One of the naturally subjected to mechanical strain through a phenomenon called piezoelectricity, and the materials occurring. PEMs is quartz whose crystalline and amorphous are One shown Polymers.
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