Detail publikačního výsledku

Piezo-, photo- and piezophotocatalytic activity of electrospun fibrous PVDF/CTAB membrane

RABADANOVA, A.; ABDURAKHMANOV, M.; GULAKHMEDOV, R.; SHUAIBOV, A.; SELIMOV, D.; SOBOLA, D.; ČÁSTKOVÁ, K.; RAMAZANOV, S.; ORUDZHEV, F.

Originální název

Piezo-, photo- and piezophotocatalytic activity of electrospun fibrous PVDF/CTAB membrane

Anglický název

Piezo-, photo- and piezophotocatalytic activity of electrospun fibrous PVDF/CTAB membrane

Druh

Článek Scopus

Originální abstrakt

A composite material based on polyvinylidene fluoride (PVDF) nanofibers modified with cetyltrimethylammonium bromide (CTAB) was synthesized by coaxial electrospinning. The morphology and structure of the material were studied by SEM, FTIR spectroscopy, X-ray diffraction analysis, XPS, and the piezo-, photo- and piezophotocatalytic activity during the decomposition of the organic dye Methylene blue (MB) was studied. It was shown that the addition of CTAB promotes additional polarization of the PVDF structure due to the ion-dipole interaction. It was shown for the first time that the addition of CTAB promotes the photosensitivity of the wide-gap dielectric polymer PVDF (the band gap is more than 6 eV). It was demonstrated that the photocatalytic decomposition efficiency is 91% in 60 minutes. The material exhibits piezocatalytic activity - 73% in 60 minutes. The experiments on trapping active oxidizing forms established that OH hydroxyl radicals play the main role in the photocatalytic process.

Anglický abstrakt

A composite material based on polyvinylidene fluoride (PVDF) nanofibers modified with cetyltrimethylammonium bromide (CTAB) was synthesized by coaxial electrospinning. The morphology and structure of the material were studied by SEM, FTIR spectroscopy, X-ray diffraction analysis, XPS, and the piezo-, photo- and piezophotocatalytic activity during the decomposition of the organic dye Methylene blue (MB) was studied. It was shown that the addition of CTAB promotes additional polarization of the PVDF structure due to the ion-dipole interaction. It was shown for the first time that the addition of CTAB promotes the photosensitivity of the wide-gap dielectric polymer PVDF (the band gap is more than 6 eV). It was demonstrated that the photocatalytic decomposition efficiency is 91% in 60 minutes. The material exhibits piezocatalytic activity - 73% in 60 minutes. The experiments on trapping active oxidizing forms established that OH hydroxyl radicals play the main role in the photocatalytic process.

Klíčová slova

coaxial electrospinning; CTAB; methylene blue; nanofibers; photocatalysis; piezocatalysis; piezophotocatalysis; PVDF

Klíčová slova v angličtině

coaxial electrospinning; CTAB; methylene blue; nanofibers; photocatalysis; piezocatalysis; piezophotocatalysis; PVDF

Autoři

RABADANOVA, A.; ABDURAKHMANOV, M.; GULAKHMEDOV, R.; SHUAIBOV, A.; SELIMOV, D.; SOBOLA, D.; ČÁSTKOVÁ, K.; RAMAZANOV, S.; ORUDZHEV, F.

Rok RIV

2024

Vydáno

01.04.2022

Nakladatel

Ural Federal University

ISSN

2409-5613

Periodikum

Chimica Techno Acta

Svazek

9

Číslo

4

Stát

Ruská federace

Strany od

1

Strany do

8

Strany počet

8

URL

https://journals.urfu.ru/index.php/chimtech/article/view/6273

BibTex

@article{BUT187842,
  author="RABADANOVA, A. and ABDURAKHMANOV, M. and GULAKHMEDOV, R. and SHUAIBOV, A. and SELIMOV, D. and SOBOLA, D. and ČÁSTKOVÁ, K. and RAMAZANOV, S. and ORUDZHEV, F.",
  title="Piezo-, photo- and piezophotocatalytic activity of electrospun fibrous PVDF/CTAB membrane",
  journal="Chimica Techno Acta",
  year="2022",
  volume="9",
  number="4",
  pages="1--8",
  doi="10.15826/chimtech.2022.9.4.20",
  issn="2409-5613",
  url="https://journals.urfu.ru/index.php/chimtech/article/view/6273"
}