- Title
- Synthesis, spectral and electrochemical properties of a new family of pyrrole substituted cobalt, iron, manganese, nickel and zinc phthalocyanine complexes
- Creator
- Obirai, Joe, Rodrigues, Nazaré Pereira, Bedioui, Fethi, Nyokong, Tebello
- Subject
- To be catalogued
- Date
- 2003
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/304852
- Identifier
- vital:58496
- Identifier
- xlink:href="https://0-doi.org.wam.seals.ac.za/10.1142/S1088424603000641"
- Description
- A new family of pyrrole substituted metallophthalocyanine complexes, namely cobalt(II), iron(II), manganese(III), nickel(II) and zinc(II) tetrakis-4-(pyrrol-1-yl)phenoxy phthalocyanines (noted as M(TPhPyrPc), where M is the metallic cation) have been synthesized and fully characterized. In particular, the UV-visible spectra of the iron and nickel complexes showed extensive aggregation even at low concentrations. The cyclic voltammetry of the cobalt, iron and manganese complexes showed three to four redox couples assigned to metal and ring based processes. Spectroelectrochemistry of the manganese derivative confirmed that the synthesized complex is MnIII(TPhPyrPc-2) and that the reduction of MnII(TPhPyrPc-2) to be centred on the ring and rather than on the metal, forming the MnII(TPhPyrPc-4) species. Also, the electrochemical polymerization of these newly synthesized pyrrole-substituted phthalocyanines has been demonstrated in the case of the cobalt complex and the electrocatalytic activity of the obtained film has been tested towards the oxidation of L-cysteine.
- Format
- computer, online resource, application/pdf, 1 online resource (14 pages), pdf
- Publisher
- World Scientific Publishing
- Language
- English
- Relation
- Journal of Porphyrins and Phthalocyanines, Obirai, J., Rodrigues, N.P., Bedioui, F. and Nyokong, T., 2003. Synthesis, spectral and electrochemical properties of a new family of pyrrole substituted cobalt, iron, manganese, nickel and zinc phthalocyanine complexes. Journal of Porphyrins and Phthalocyanines, 7(07), pp.508-520, Journal of Porphyrins and Phthalocyanines volume 7 number 07 p. 508 2003 1088-4246
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the World Scientific Copyright and Permissions Statement (https://0-www.worldscientific.com.wam.seals.ac.za/page/permissions)
- Rights
- Closed Access
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Collections
Nyokong, Tebello (Distinguished Professor)
RU Department of Chemistry
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