- Title
- Asymmetrical and symmetrical zinc phthalocyanine-cobalt ferrite conjugates embedded in electrospun fibers for dual photocatalytic degradation of azo dyes: Methyl Orange and Orange G
- Creator
- Mapukata, Sivuyisiwe, Kobayashi, Nagao, Kimura, Mutsumi, Nyokong, Tebello
- Subject
- To be catalogued
- Date
- 2019
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/186960
- Identifier
- vital:44551
- Identifier
- xlink:href="https://doi.org/10.1016/j.jphotochem.2019.04.048"
- Description
- The conjugation of a symmetrical and an asymmetrical zinc phthalocyanine with amine functionalised cobalt ferrite magnetic nanoparticles (CoFe MNPs) for enhanced photophysics and photocatalysis is reported. The MNPs, 2-[5-(phenoxy)-isophthalic acid] 9(10), 16(17), 23(24)-tris (tertbutyl) phthalocyaninato Zn (II) (2) and 2, 10, 16, 24 – tetra 5-(phenoxy)-isophthalic acid phthalocyaninato] Zn (II) (3) as well as their respective conjugates are embedded into electrospun polyamide-6 (PA-6) fibers for support and catalyst regeneration. The resulting photocatalyts (CoFe/PA-6, 2/PA-6, 3/PA-6, CoFe-2/PA-6, and CoFe-3/PA-6) were compared based on their photophysical properties and photocatalytic efficiencies in degrading azo dyes; Methyl Orange (MO) and Orange G (OG). CoFe-2/PA-6 and CoFe-3/PA-6 were found to be more effective photocatalysts than their respective electrospun Pcs and MNPs. The degradation of OG was found to follow pseudo first order kinetics and the Langmuir–Hinshelwood model while that of MO does not.
- Format
- computer, online resource, application/pdf, 1 online resource (11 pages), pdf
- Publisher
- Elsevier
- Language
- English
- Relation
- Journal of Photochemistry and Photobiology A: Chemistry, Mapukata, S., Kobayashi, N., Kimura, M. and Nyokong, T., 2019. Asymmetrical and symmetrical zinc phthalocyanine-cobalt ferrite conjugates embedded in electrospun fibers for dual photocatalytic degradation of azo dyes: methyl Orange and Orange G. Journal of Photochemistry and Photobiology A: Chemistry, 379, pp.112-122, Journal of Photochemistry and Photobiology A: Chemistry volume 379 p. 112 2019 1010-6030
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Elsevier Terms and Conditions Statement (https://www.elsevier.com/legal/elsevier-website-terms-and-conditions)
- Rights
- Closed Access
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RU DST/NRF SARChI for Medicinal Chemistry and Nanotechnology
Nyokong, Tebello (Distinguished Professor)
RU Department of Chemistry
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details Download | SOURCE1 | Asymmetrical and symmetrical zinc phthalocyanine-cobalt ferrite conjugates.pdf | 985 KB | Adobe Acrobat PDF | View Details Download |