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Metal Oxide Composites with Carbon Materials: Synthesis, Characterisation and Preliminary Catalytic Applications
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2019 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Nanoparticles combining metal oxides TiO2 and graphene derivatives (reduced graphene oxide and multi-walled carbon nanotubes) were synthesised via wet chemistry methods. The materials were investigated through a series of techniques (scanning electron microscopy, X-ray diffraction, photoluminescence and UV-visible spectrophotometry). The electronic features of the materials were examined by cyclic voltammetry, and some photocatalysis testing was performed, using a solar light simulator and Rhodamine B as a pollutant in water. It was found that addition of the graphene derivative enhanced the electrical properties of the substance, which theoretically should reflect positively in the photocatalytic skill. However, photocatalysis was not found more efficient with the composites, compared to the pristine materials.

Further, SnO2@ZnO core@shell nanoparticles were synthesised by wet chemistry methods. These materials were investigated by the mentioned methods and preliminary photocatalysis testing was executed, where the composites were found functional, although further testing is required.

Place, publisher, year, edition, pages
2019. , p. 39
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ltu:diva-75791OAI: oai:DiVA.org:ltu-75791DiVA, id: diva2:1347551
Subject / course
Student thesis, at least 30 credits
Educational program
Materials Engineering, master's level
Presentation
2018-12-18, 10:55 (English)
Supervisors
Examiners
Available from: 2019-09-17 Created: 2019-09-01 Last updated: 2019-09-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
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  • nn-NO
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  • Other locale
More languages
Output format
  • html
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