Applications of electrospun nanofibers

Fang, J.; Niu, Haitao; Lin, Tong; Wang, Xun-Gai

doi:10.1007/s11434-008-0319-0

Cited by 252 publications

(154 citation statements)

References 273 publications

(349 reference statements)

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“…Electrospinning of the TiO 2 nanofibers was carried out in air at 20 • C with a standard syringe and grounded collector plate configuration, as described in the literature [18,21]. To prepare the precursor solution, 0.3 g polyvinyl pyrrolidone (Alfa Aesar) was added to 7.5 ml of anhydrous ethanol (Commercial Alcohols Inc.) and stirred until it was completely dissolved.…”

Section: Fabrication Of Tio 2 Nanofibersmentioning

confidence: 99%

“…This work is a preliminary study, as the target application for such catalyzed fibers is PEM fuel cell operation at temperatures in excess of 100 • C. The fibrous TiO 2 was produced by a simple electrospinning process [18][19][20]. Electrospinning of nanofibers can be utilized for a variety of applications, e.g., filtration, tissue engineering scaffolds, wound healing, drug release control, and energy storage [21,22]. Catalyzed TiO 2 nanofibers were also proposed for utilization in heterogeneous catalysis, e.g., for the water gas shift reaction [23].…”

Section: Introductionmentioning

confidence: 99%

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Pt nanoparticles deposited on TiO2 based nanofibers: Electrochemical stability and oxygen reduction activity

Bauer

Lee

Song

et al. 2010

Journal of Power Sources

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This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues.Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. The electrochemical stability of Pt deposited on TiO 2 based nanofibers was compared with commercially available carbon supported Pt. Prior to the Pt deposition the TiO 2 material, which was either undoped or Nb doped, was air calcined. In one case the undoped TiO 2 was also reduced in a hydrogen atmosphere. XRD analysis revealed that the unreduced TiO 2 was present in the anatase phase, irrespective of whether the Nb dopant was present, whereas the rutile phase was formed due to reduction with H 2 . The diameter of the TiO 2 fibers varied from 50 to 100 nm, and the average Pt particle diameter was approximately 5 nm. Pt supported on TiO 2 was more stable than Pt supported on C when subjected to 1000 voltammetric cycles in the range of 0.05-1.3 V vs. RHE. Nb doped TiO 2 showed the highest stability, retaining 60% of the electrochemically active surface area after 1000 cycles compared to the state after 100 cycles, whereas the carbon supported catalyst retained 20% of the active surface area. The commercial catalyst had the highest oxygen reduction activity due to its larger specific area (17.1 m 2 g −1 vs. 5.0 m 2 g −1 for Pt/TiO 2 -Nb, measured after 100 cycles) and the higher support conductivity. The Pt supported on Nb doped or on H 2 reduced TiO 2 was more active than Pt supported on air calcined and otherwise unmodified TiO 2 .Crown

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Section: Fabrication Of Tio 2 Nanofibersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pt nanoparticles deposited on TiO2 based nanofibers: Electrochemical stability and oxygen reduction activity

Bauer

Lee

Song

et al. 2010

Journal of Power Sources

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“…This endows electrospun nanofibres with enormous potential towards several applications. 9 The nonwoven-like fibrous structure produced by electrospinning is highly desired for a thermoresponsive hydrogel to achieve fast hydration/dehydration response, because water can easily access the surface of each fibre and the small fibre diameter also increases the overall fibre surface area, facilitating the intrafibre mass exchange.…”

Section: Introductionmentioning

confidence: 99%

Fast responsive and morphologically robust thermo-responsive hydrogel nanofibres from poly(N-isopropylacrylamide) and POSS crosslinker

et al. 2011

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Stable thermo-responsive hydrogel nanofibres have been prepared by electrospinning of commercial poly(N-isopropylacrylamide) (PNIPAM) in the presence of a polyhedral oligomeric silsesquioxane (POSS) possessing eight epoxide groups and of an organic-base catalyst, followed by a heat curing treatment. The nanofibres showed excellent hydrogel characteristics with fast swelling and de-swelling responses triggered by temperature changes. They were also morphologically robust as their physical integrity was preserved upon repeated hydration/dehydration cycles and exposure to solvents.

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“…One-dimensional nanostructures have received considerable attention due to their tunable mechanical properties such as high mechanical strength, toughness, and Young's modulus [2]. Moreover, they usually have a high surface-to-volume ratio which makes them useful for potential applications such as nanodevices, sensors, solar cells, photonics and multiferroic materials, molecular sieves, high-temperature insulation, catalysis, biomedical separation, and microwave absorbers [3,4]. The cost-effective and simultaneously quite versatile technique for a preparation of nanostructured fibers in a large scale is electrospinning method [4,5].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Investigations of Ni_{0.2}Zn_{0.8}Fe_2O_4 Ferrite Nanofiber Membranes by Needleless Electrospinning Method

et al. 2017

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The preparation of Ni0.2Zn0.8Fe2O4 nanofiber membranes by simple and versatile needleless electrospinning technique is presented. The single phase of spinel ferrite membrane was obtained after conventional thermal treatment of polyvinyl alcohol (PVA)/metal nitrate precursors at 800• C for 4 h in air. The formation of singlephase fibers was characterized using differential scanning calorimetry accompanied with thermogravimetric analysis. The surface morphology, microstructure and crystal structure were investigated by scanning electron microscopy, X-ray diffraction and transmission electron microscopy. The magnetic properties of the fibrous samples measured in the temperature range from 2 to 300 K verify a soft magnetic behavior, which is quite typical for ferrimagnetic spinel-type ferrites.

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Applications of electrospun nanofibers

Cited by 252 publications

References 273 publications

Pt nanoparticles deposited on TiO2 based nanofibers: Electrochemical stability and oxygen reduction activity

Pt nanoparticles deposited on TiO2 based nanofibers: Electrochemical stability and oxygen reduction activity

Fast responsive and morphologically robust thermo-responsive hydrogel nanofibres from poly(N-isopropylacrylamide) and POSS crosslinker

Preparation and Investigations of Ni_{0.2}Zn_{0.8}Fe_2O_4 Ferrite Nanofiber Membranes by Needleless Electrospinning Method

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