Positively charged and flexible SiO<sub>2</sub>@ZrO<sub>2</sub>nanofibrous membranes and their application in adsorption and separation

Tang, Yufei; Liu, Zhaowei; Zhao, Kun; Fu, Song

doi:10.1039/c8ra01899e

Cited by 20 publications

(9 citation statements)

References 32 publications

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“…[ 240 ] In another example, chitosan (CS) and graphene oxide (GO) were incorporated onto the surface of poly(vinyl alcohol‐ co ‐ethylene) nanofibers (PVA‐ co ‐PE) and successfully employed in the filtration of E.coli and S. aureus [ 241 ] microorganisms using micro/nanofiber. [ 242 ] In this direction, Tang and collaborators [ 243 ] obtained SiO 2 @ZrO 2 nanofibers after immersion of SiO 2 ‐electrospun nanofibers in ZrOCl 2 solution following by calcination. The nanofibers showed excellent adsorption of negatively charged particles with great potential for separating bacteria and viruses in water.…”

Section: Applicationsmentioning

confidence: 99%

“…The nanofibers showed excellent adsorption of negatively charged particles with great potential for separating bacteria and viruses in water. [ 243 ] Antimicrobial nanofibers membranes with anti‐fouling properties have also been fabricated using polyaniline nanofibers (PANI) modified with PDA for anchoring AgNPs by immersion. The hydrophilic (WCA = 60°) and antibacterial nanofibers showed anti‐fouling properties with a flow recovery ratio (FRR) of up to 91.2% for the BSA protein and absence of biofilms, indicating the non‐growth of E. coli and Bacillus subtilis .…”

Section: Applicationsmentioning

confidence: 99%

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Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Schneider

Facure

Chagas

et al. 2021

Adv Materials Inter

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Micro‐ and nanofibers produced by electrospinning and solution blow spinning (SBS) are highly suitable platforms for diverse applications due to their advantageous properties, including the high surface area to volume ratio, high porosity, and flexibility. To render them additional functionalities, distinct pre‐ or post‐modification processes have been proposed for modifying such micro‐ and nanofibers with 0D, 1D, 2D, and 3D nanostructures. The pre‐modification requires the addition of 0D–3D nanostructures (or their precursors) into the polymeric phase before the spinning process, which can demand laborious solubilization and requires changes in experimental spinning parameters, with impact on morphology, spinnability, and properties. Post‐modification methods, on the other hand, enable the fabrication of composite fibers without the need to optimize the spinning parameters, allowing a simple and efficient surface modification. Herein, recent advances on post‐modification methods of spun fibers, including wet chemistry, grafting, crosslinking, click chemistry, oxidations, hydrolysis and reduction strategies, dip‐coating, layer‐by‐layer, electro/air‐spray, atomic layer deposition, and plasma techniques aiming at the surface functionalization with 0D–3D nanostructures are surveyed. Recent results, trends, and challenges on the application of such surface‐modified fibers for environmental, industrial, and medical applications, including as adsorbent and filtering membranes, catalysts for pollutants degradation, and wearable sensors are examined.

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Section: Applicationsmentioning

confidence: 99%

Section: Applicationsmentioning

confidence: 99%

Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Schneider

Facure

Chagas

et al. 2021

Adv Materials Inter

View full text Add to dashboard Cite

show abstract

“…The intermittent adsorption experiment on hexavalent chromium particles showed that the surface-aminated composite electrospun membrane reached the maximum adsorption capacity at pH = 2, which indicates strong promise as a wastewater treatment material. Tang et al [134] electrospun a SiO 2 @ZrO 2 coaxial nanofiber membrane that could be used in physical separation and electrostatic adsorption, as well as removing negatively charged particles, in wastewater. The ein nanoribbons prepared by a coaxial electrospinning device could also be used for the treatment of lead-containing wastewater [93].…”

Section: Recent Environmental Engineering Applicationsmentioning

confidence: 99%

Recent Advances in Electrospun Sustainable Composites for Biomedical, Environmental, Energy, and Packaging Applications

Líu

Gough

Deng

et al. 2020

IJMS

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Electrospinning has gained constant enthusiasm and wide interest as a novel sustainable material processing technique due to its ease of operation and wide adaptability for fabricating eco-friendly fibers on a nanoscale. In addition, the device working parameters, spinning solution properties, and the environmental factors can have a significant effect on the fibers’ morphology during electrospinning. This review summarizes the newly developed principles and influence factors for electrospinning technology in the past five years, including these factors’ interactions with the electrospinning mechanism as well as its most recent applications of electrospun natural or sustainable composite materials in biology, environmental protection, energy, and food packaging materials.

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“…However, polymer nanofibers cannot be used under harsh conditions due to their (1) poor thermal stability, (2) low chemical durability. To overcome this problem, numerous researchers have developed inorganic nanofibers (such as ceramics) using electrospinning technology [10][11][12][13][14] .…”

Section: Ssamentioning

confidence: 99%

Development of TiO2-coated YSZ/silica nanofiber membranes with excellent photocatalytic degradation ability for water purification

Huh

Lee

Bukhari

et al. 2020

Sci Rep

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Numerous reports have elucidated that TiO2 nanoparticles (TiO2-NPs) exhibit respectable photocatalytic degradation capacities due to their high specific surface areas. However, the current recovery process leads to a loss of TiO2-NPs; therefore, there is a need to immobilize TiO2-NPs on the substrate used. Herein, TiO2-coated yttria-stabilized zirconia/silica nanofiber (TiO2-coated YSZ/silica NF) was prepared by coating TiO2 on the surface of YSZ/silica NF using a sol–gel process. The TiO2 coating layer on the nanofiber surface improved the separation ability of the membrane as well as the photocatalytic degradation ability. The pore size of the TiO2-coated YSZ/silica NF membrane was less than that of the pristine YSZ/silica NF membrane, and it rejected over 99.6% of the 0.5 μm polymeric particles. In addition, the TiO2-coated YSZ/silica NF membrane showed excellent adsorption/degradation of humic acid (HA, 88.2%), methylene blue (MB, 92.4%), and tetracycline (TC, 99.5%). Six recycling tests were performed to evaluate the reusability of the TiO2-coated YSZ/silica NF membrane. The adsorption/degradation efficiency for HA, MB, and TC decreased by 3.7%, 2.8%, and 2.2%, respectively. We thus verified the high separation ability, excellent photocatalytic degradation ability, and excellent reusability of the TiO2-coated YSZ/silica NF membranes.

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Positively charged and flexible SiO₂@ZrO₂nanofibrous membranes and their application in adsorption and separation

Abstract: Tiny particles with a negative charge in water can be removed effectively by inorganic positively charged nanofiber membranes due to their physical separation and electrostatic adsorption properties.

Cited by 20 publications

References 32 publications

Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Recent Advances in Electrospun Sustainable Composites for Biomedical, Environmental, Energy, and Packaging Applications

Development of TiO2-coated YSZ/silica nanofiber membranes with excellent photocatalytic degradation ability for water purification

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Positively charged and flexible SiO2@ZrO2nanofibrous membranes and their application in adsorption and separation

Abstract: Tiny particles with a negative charge in water can be removed effectively by inorganic positively charged nanofiber membranes due to their physical separation and electrostatic adsorption properties.

Cited by 20 publications

References 32 publications

Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Tailoring the Surface Properties of Micro/Nanofibers Using 0D, 1D, 2D, and 3D Nanostructures: A Review on Post‐Modification Methods

Recent Advances in Electrospun Sustainable Composites for Biomedical, Environmental, Energy, and Packaging Applications

Development of TiO2-coated YSZ/silica nanofiber membranes with excellent photocatalytic degradation ability for water purification

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Product

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About

Positively charged and flexible SiO₂@ZrO₂nanofibrous membranes and their application in adsorption and separation