kth.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Composite nanofibers for highly efficient photocatalytic degradation of organic dyes from contaminated water
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Functional Materials, FNM. Mechanical Design and Production Engineering Department, Cairo University, Giza, Egypt.ORCID iD: 0000-0002-1439-8617
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Functional Materials, FNM.ORCID iD: 0000-0001-5678-5298
Show others and affiliations
2016 (English)In: Environmental Research, ISSN 0013-9351, E-ISSN 1096-0953, Vol. 145, p. 18-25Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

In this study highly efficient photocatalyst based on composite nanofibers containing polyacrylonitrile (PAN), carbon nanotubes (CNT), and surface functionalized TiO2 nanoparticles was developed. The composite nanofibers were fabricated using electrospinning technique followed by chemical crosslinking. The surface modification and morphology changes of the fabricated composite nanofibers were examined through SEM, TEM, and FTIR analysis. The photocatalytic performance of the composite nanofibers for the degradation of model molecules, methylene blue and indigo carmine, under UV irradiation in aqueous solutions was investigated. The results demonstrated that high photodegradation efficiency was obtained in a short time and at low power intensity compared to other reported studies. The effective factors on the degradation of the dyes, such as the amount of catalyst, solution pH and irradiation time were investigated. The experimental kinetic data were fitted using pseudo-first order model. The effect of the composite nanofibers as individual components on the degradation efficiency of MB and IC was evaluated in order to understand the overall photodegradation mechanism. The results obtained showed that all the components possess significant effect on the photodegradation activity of the composite nanofibers. The stability studies demonstrated that the photodegradation efficiency can remain constant at the level of 99% after five consecutive cycles.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 145, p. 18-25
Keywords [en]
Carbon nanotubes (CNTs), Composite nanofibers, Electrospinning, Organic contaminants, Photocatalytic
National Category
Other Chemistry Topics
Identifiers
URN: urn:nbn:se:kth:diva-181428DOI: 10.1016/j.envres.2015.09.024ISI: 000368218700003PubMedID: 26615225Scopus ID: 2-s2.0-84947786246OAI: oai:DiVA.org:kth-181428DiVA, id: diva2:900593
Note

QC 20160204. QC 20160220

Available from: 2016-02-04 Created: 2016-02-02 Last updated: 2024-03-15Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textPubMedScopus

Authority records

Mohamed, AlaaToprak, MuhammetMuhammed, Mamoun A.Uheida, Abdusalam

Search in DiVA

By author/editor
Mohamed, AlaaToprak, MuhammetMuhammed, Mamoun A.Uheida, Abdusalam
By organisation
Functional Materials, FNM
In the same journal
Environmental Research
Other Chemistry Topics

Search outside of DiVA

GoogleGoogle Scholar

doi
pubmed
urn-nbn

Altmetric score

doi
pubmed
urn-nbn
Total: 177 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf