Nano Energy, volume 90, pages 106586

Ultrasound and water flow driven piezophototronic effect in self-polarized flexible α-Fe2O3 containing PVDF nanofibers film for enhanced catalytic oxidation

Orudzhev Farid ¹

Ramazanov Shikhgasan ²

Sobola Dinara ^{3, 4}

Kaspar Pavel ⁵

Trčka Tomáš ⁵

Castkova Klara ^{6, 7}

Kaštyl Jaroslav ⁶

Zvereva Irina A. ⁸

Wang Chuanyi ⁹

Selimov Daud ¹

Gulakhmedov Rashid ¹

Abdurakhmanov Magomed ¹

Shuaibov Abdulatip ¹

Kadiev Makhmud ¹

Hide authors affiliations Show authors affiliations: 9 affiliations

Department of Inorganic Chemistry and Chemical Ecology, Dagestan State University, Makhachkala, St. M. Gadjieva 43-a, Dagestan Republic 367000, Russia |

Department of Condensed Matter Physics and Nanosystems, Dagestan State University, Makhachkala, St. M. Gadjieva 43-a, Dagestan Republic 367000, Russia |

Academy of Sciences ČR, Institute of Physics of Materials, Žižkova 22, 616 62 Brno, Czech Republic |

⁴

Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 2848/8, 616 00 Brno, Czech Republic |

⁵

Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 2848/8, 616 00 Brno, Czech Republic. |

⁶

Central European Institute of Technology BUT, Purkyňova 123, 612 00 Brno, Czech Republic |

⁷

Department of Ceramics and Polymers, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2, 616 69 Brno, Czech Republic |

⁸

Institute of Chemistry, Department of Chemical Thermodynamics and Kinetics, Center for Thermal Analysis and Calorimetry, St. Petersburg State University, Universitetskiy pr. 26, 198504 Peterhof, Russia. |

⁹

School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, PR China |

Publication type: Journal Article

Publication date: 2021-12-01

Elsevier

Journal: Nano Energy

Quartile SCImago

Quartile WOS

Impact factor: 17.6

ISSN: 22112855

DOI: 10.1016/j.nanoen.2021.106586

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General Materials Science

Electrical and Electronic Engineering

Renewable Energy, Sustainability and the Environment

Abstract

A new piezophotocatalytically active membrane based on polyvinylidene fluoride (PVDF) nanofibers with α-Fe 2 O 3 nanoparticles incorporated into them has been synthesized by electrospinning. The composition, morphology and structure of α-Fe 2 O 3 containing PVDF nanofibers mats were investigated by SEM, XRD, Raman, FTIR, XPS and DSC. Studies have shown that the inclusion of α-Fe 2 O 3 nanoparticles promotes additional crystallization and self-polarization of PVDF into an electroactive β-phase. With the help of XPS, the mechanism of interfacial ion-dipole electrostatic interaction, leading to self-polishing and crystallization of the structure, is shown. Using measurements of VB XPS, UPS and the frequency dependence of the dielectric constant, the role of polarization effects on the formation of long-lived metastable energy states in the electronic structure of PVDF near the Fermi level is shown. Piezocatalytic and piezophotocatalytic activity was assessed by the decomposition of Methylene Blue (MB) under the influence of ultrasound and UV-Vis radiation. The efficiency of piezocatalysis and piezophotocatalysis was 60.4% and 99.5%, respectively. With the help of experiments on the capture of active redox forms, it was found that ∙OH radicals are the main component of the MB degradation. Two different mechanisms of generating ∙OH radicals for piezocatalysis and piezophotocatalysis have been reasonably proposed. The stability of the catalyst was shown after five successive cycles of piezophotocatalysis. • The interfacial interaction α-Fe 2 O 3 and dipoles in PVDF provide self-poling and crystallization of α to β phase. • Piezophototronic effect in α-Fe 2 O 3 -PVDF greatly improves the catalytic properties. • The catalytic activity of α-Fe 2 O 3 -PVDF films can be enhanced by ultrasound and flowing-water • The output voltage piezoresponse of α-Fe 2 O 3 -PVDF based PENG are influenced by bending and ultrasound stress. • A higher piezoelectric potential is more favorable for photocatalytic activity.

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Journal of Water Process Engineering	Journal of Water Process Engineering, 1, 2.04% Journal of Water Process Engineering 1 publication, 2.04%
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Science of the Total Environment	Science of the Total Environment, 1, 2.04% Science of the Total Environment 1 publication, 2.04%
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Elsevier	Elsevier, 21, 42.86% Elsevier 21 publications, 42.86%
Wiley	Wiley, 11, 22.45% Wiley 11 publications, 22.45%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 10, 20.41% Multidisciplinary Digital Publishing Institute (MDPI) 10 publications, 20.41%
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American Institute of Physics (AIP)	American Institute of Physics (AIP), 2, 4.08% American Institute of Physics (AIP) 2 publications, 4.08%
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Pleiades Publishing	Pleiades Publishing, 1, 2.04% Pleiades Publishing 1 publication, 2.04%
University of Science and Technology Beijing	University of Science and Technology Beijing, 1, 2.04% University of Science and Technology Beijing 1 publication, 2.04%
	5 10 15 20 25

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Orudzhev F. et al. Ultrasound and water flow driven piezophototronic effect in self-polarized flexible α-Fe2O3 containing PVDF nanofibers film for enhanced catalytic oxidation // Nano Energy. 2021. Vol. 90. p. 106586.

GOST all authors (up to 50) Copy

Orudzhev F., Ramazanov S., Sobola D., Kaspar P., Trčka T., Castkova K., Kaštyl J., Zvereva I. A., Wang C., Selimov D., Gulakhmedov R., Abdurakhmanov M., Shuaibov A., Kadiev M. Ultrasound and water flow driven piezophototronic effect in self-polarized flexible α-Fe2O3 containing PVDF nanofibers film for enhanced catalytic oxidation // Nano Energy. 2021. Vol. 90. p. 106586.

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TY - JOUR

DO - 10.1016/j.nanoen.2021.106586

UR - https://doi.org/10.1016%2Fj.nanoen.2021.106586

TI - Ultrasound and water flow driven piezophototronic effect in self-polarized flexible α-Fe2O3 containing PVDF nanofibers film for enhanced catalytic oxidation

T2 - Nano Energy

AU - Orudzhev, Farid

AU - Ramazanov, Shikhgasan

AU - Sobola, Dinara

AU - Kaspar, Pavel

AU - Trčka, Tomáš

AU - Castkova, Klara

AU - Kaštyl, Jaroslav

AU - Zvereva, Irina A.

AU - Wang, Chuanyi

AU - Selimov, Daud

AU - Gulakhmedov, Rashid

AU - Abdurakhmanov, Magomed

AU - Shuaibov, Abdulatip

AU - Kadiev, Makhmud

PY - 2021

DA - 2021/12/01 00:00:00

PB - Elsevier

SP - 106586

VL - 90

SN - 2211-2855

ER -

BibTex

Cite this

BibTex Copy

@article{2021_Orudzhev,

author = {Farid Orudzhev and Shikhgasan Ramazanov and Dinara Sobola and Pavel Kaspar and Tomáš Trčka and Klara Castkova and Jaroslav Kaštyl and Irina A. Zvereva and Chuanyi Wang and Daud Selimov and Rashid Gulakhmedov and Magomed Abdurakhmanov and Abdulatip Shuaibov and Makhmud Kadiev},

title = {Ultrasound and water flow driven piezophototronic effect in self-polarized flexible α-Fe2O3 containing PVDF nanofibers film for enhanced catalytic oxidation},

journal = {Nano Energy},

year = {2021},

volume = {90},

publisher = {Elsevier},

month = {dec},

url = {https://doi.org/10.1016%2Fj.nanoen.2021.106586},

pages = {106586},

doi = {10.1016/j.nanoen.2021.106586}

}

Found error?

Publisher

Elsevier

Journal

Nano Energy

Quartile SCImago

Quartile WOS

Impact factor

17.6

ISSN

22112855 (Print)

Labs

Smart Materials Laboratory

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