Novel nanocomposites and nanoceramics based on polymer nanofibers using electrospinning process—A review

Chronakis, Ioannis S.

doi:10.1016/j.jmatprotec.2005.06.053

Cited by 696 publications

(413 citation statements)

References 62 publications

(73 reference statements)

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“…These materials, such as proteins (gelatin, collagen and silk fibroin) and polysaccharides (chitosan, hyaluronic acid and cellulose) can be designed to mimic the extracellular matrix due to the fibrous structure with diameters in micrometer and nanometer scales 1,3,7,9 . Applications can be found in a wide variety of biomedical applications such as scaffolds for tissue engineering, , wound dressings and drug delivery systems [1][2][3]5,7,8,[10][11][12][13] . Basically, four components are required for polymer solution electrospinning: a high voltage supply; a capillary tube, which can be a small diameter needle; an infusion pump, and a grounded collector plate 2,3 .…”

Section: Introductionmentioning

confidence: 99%

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Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

2015

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Electrospinning is a versatile and efficient technique for obtaining polymeric microfibers and nanofibers with great potential for applications in tissue engineering, biosensors, filtration, wound dressings, controlled drug release and enzyme immobilization. Electrospun fibers are obtained by applying an electric field in a polymer solution resulting in non-woven fibrous mats with high surface area relative to volume and high porosity. In this work, the electrospinning of gelatin/poly(vinyl pyrrolidone) (PVP) blends was investigated. The polymers were electrospun from solutions containing different concentrations of water and acetic acid. Solutions were characterized by measuring the pH, electrical conductivity, surface tension and viscosity. The influence of acetic acid concentration in solution properties and its influence in the spinnability were investigated. The resulting non-woven membranes were characterized by using scanning electron microscopy (SEM), thermogravimetric analysis (TG) and cytotoxicity.

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Section: Introductionmentioning

confidence: 99%

“…These parameters can influence the processing of polymer solutions into fibers by electrospinning 1,5,10,16 . The main solution parameters are viscosity, surface tension and electrical conductivity; whereas the main process parameters are applied voltage, flow rate and distance from the needle tip to the collector plate.…”

Section: Introductionmentioning

confidence: 99%

Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

2015

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“…They can carry both the advantages of organic materials like flexibility, light weight, and the advantages of inorganic materials such as high strength, thermal, and chemical stability. 1 Besides the hybrid materials, another interesting topic in materials science is nanomaterials. When the size of materials is reduced to the nanometer scale, some new characteristics can often be found.…”

Section: Introductionmentioning

confidence: 99%

Characterization of PVAc/TiO₂ hybrid nanofibers: From fibrous morphologies to molecular structures

Shao

Wei

et al. 2009

J of Applied Polymer Sci

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Polyvinyl acetate (PVAc)/titanium dioxide (TiO 2 ) hybrid nanofibers were fabricated by combining sol-gel process with electrospinning technology, which consisted of PVAc as organic segment and TiO 2 as inorganic part. The surface structures of the PVAc/TiO 2 hybrid nanofibrous mats were examined using scanning electron microscopy (SEM). The surface morphology and bulk structures of single nanofiber were investigated by atomic force microscopy (AFM) and transmission electron microscopy (TEM). Fourier transform infrared spectroscopy (FTIR) was employed to analyze the chemical structures of the PVAc/TiO 2 hybrid nanofibers. SEM scanning revealed that the fibrous structure was formed. AFM observations presented a significant difference in the morphology of the nanofibers before and after hybridization. It was observed from TEM images that some black streaks with various lengths distributed in a nanofiber. The FTIR analysis indicated the newly formed associated hydrogen bond because of the hybrid effect between PVAc and TiO 2 sol.

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“…The promising nature indicated by the variety of applications supplemented by ES discovered thus far facilitates a productive and innovative future for ES. ES fabrication requires delivery of a solvent dissolved [247][248][249] or solid stick [250] polymer to a spinneret (or capillary) held at a high voltage relative to a collection plate (see Figure 3). Once a polymer bead is formed just outside the tip of the spinneret (which is essentially a hollow or gauge-type needle), voltage is initiated in the collection electrode, thereby causing surface charge buildup to occur on the surface of the polymer bead.…”

Section: Es Fabrication Of Organic Micro-and Nano-fiber Devicesmentioning

confidence: 99%

Electrospinning for nano- to mesoscale photonic structures

et al. 2016

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Abstract:The fabrication of photonic and electronic structures and devices has directed the manufacturing industry for the last 50 years. Currently, the majority of small-scale photonic devices are created by traditional microfabrication techniques that create features by processes such as lithography and electron or ion beam direct writing. Microfabrication techniques are often expensive and slow. In contrast, the use of electrospinning (ES) in the fabrication of microand nano-scale devices for the manipulation of photons and electrons provides a relatively simple and economic viable alternative. ES involves the delivery of a polymer solution to a capillary held at a high voltage relative to the fiber deposition surface. Electrostatic force developed between the collection plate and the polymer promotes fiber deposition onto the collection plate. Issues with ES fabrication exist primarily due to an instability region that exists between the capillary and collection plate and is characterized by chaotic motion of the depositing polymer fiber. Material limitations to ES also exist; not all polymers of interest are amenable to the ES process due to process dependencies on molecular weight and chain entanglement or incompatibility with other polymers and overall process compatibility. Passive and active electronic and photonic fibers fabricated through the ES have great potential for use in light generation and collection in optical and electronic structures/ devices. ES produces fiber devices that can be combined with inorganic, metallic, biological, or organic materials for novel device design. Synergistic material selection and postprocessing techniques are also utilized for broad-ranging applications of organic nanofibers that span from biological to electronic, photovoltaic, or photonic. As the ability to electrospin optically and/or electronically active materials in a controlled manner continues to improve, the complexity and diversity of devices fabricated from this process can be expected to grow rapidly and provide an alternative to traditional resource-intensive fabrication techniques.

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Novel nanocomposites and nanoceramics based on polymer nanofibers using electrospinning process—A review

Cited by 696 publications

References 62 publications

Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

Characterization of PVAc/TiO₂ hybrid nanofibers: From fibrous morphologies to molecular structures

Electrospinning for nano- to mesoscale photonic structures

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Novel nanocomposites and nanoceramics based on polymer nanofibers using electrospinning process—A review

Cited by 696 publications

References 62 publications

Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

Electrospinning of Gelatin/Poly (Vinyl Pyrrolidone) Blends from Water/Acetic Acid Solutions

Characterization of PVAc/TiO2 hybrid nanofibers: From fibrous morphologies to molecular structures

Electrospinning for nano- to mesoscale photonic structures

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Characterization of PVAc/TiO₂ hybrid nanofibers: From fibrous morphologies to molecular structures