Prof KE Sekhosana

• Inorganic Chemistry
• Organometallic Chemistry
• Physical Chemistry
• Nonlinear Optics

• Drug delivery
• Phototransformation of organic dyes
• Electrochemical sensing

• Inorganic Chemistry
• Organometallic Chemistry
• Physical Chemistry
• Nonlinear Optics

• Reitumetse Nkhahle, Kutloano E. Sekhosana, Sixolile Centane and Tebello Nyokong, (2019). Electrocatalytic Activity of Asymmetrical Cobalt Phthalocyanines in the Presence of N Doped Graphene Quantum Dots: The Push-pull Effects of Substituents. Electroanalysis. 31, 1-15. https://doi.org/10.1002/elan.201800837
• Kutloano E. Sekhosana, Reitumetse Nkhahle and Tebello Nyokong. (2018).The Primary Demonstration of Exciton Coupling Effects on Optical Limiting Properties of Blue Double‐Decker Lanthanide Phthalocyanine Salts. ChemistrySelect. 3, 6671-6682. https://doi.org/10.1002/slct.201800597
• Sixolile Centane, Edward Kutloano Sekhosana, Refilwe Matshitse and Tebello Nyokong. (2018). Electrocatalytic activity of a push-pull phthalocyanine in the presence of reduced and amino functionalized graphene quantum dots towards the electrooxidation of hydrazine. Journal of Electroanalytical Chemistry. 820, 146-160. 10.1016/j.jelechem.2018.05.005
• D. Mwanza, M. Louzada, J. Britton, E. Sekhosana, S. Khene, T. Nyokong and P. Mashazi. (2018). The effect of the cobalt and manganese central metal ions on the nonlinear optical properties of tetra(4-propargyloxyphenoxy)phthalocyanines. New Journal of Chemistry. 42, 9857—9864. https://doi.org/10.1039/c8nj00748a
• Siwaphiwe Peteni, Kutloano Edward Sekhosana, Jonathan Britton and Tebello Nyokong. (2017). Effects of charge on the photophysicochemical properties of zinc phthalocyanine derivatives doped onto silica nanoparticles. Polyhedron.  138, 37-45. https://doi.org/10.1016/j.poly.2017.09.003
• Refilwe Matshitse, Kutloano E. Sekhosana, Ojodomo J. Achadu and Tebello Nyokong. (2017).  Characterization and physicochemical studies of the conjugates of graphene quantum dots with differently charged zinc phthalocyanines. Journal Coordination Chemistry. 70, 3308-3324. http://dx.doi.org/10.1080/00958972.2017.1387652
• Kutloano Edward Sekhosana, Munyaradzi Shumba and Tebello Nyokong. (2017). Electrochemical and non-linear optical behavior of a new neodymium double-decker phthalocyanine. Polyhedron. 138, 154-160. https://doi.org/10.1016/j.poly.2017.09.033
• Sivuyisiwe Mapukata, Francis Chindeka, Kutloano E. Sekhosana and Tebello Nyokong. (2017). Laser induced photodegradation of Orange G using phthalocyanine – cobalt ferrite magnetic nanoparticle conjugates electrospun in polystyrene nanofibers. Molecular Catalysis. 439, 211-223. https://doi.org/10.1016/j.mcat.2017.06.028

RESEARCH LINKS

• Google Scholar: https://scholar.google.co.za/citations?user=crNmnBsAAAAJ&hl=en
• ORCID: https://orcid.org/0000-0002-3471-009X
• Researcher ID: http://www.researcherid.com/rid/D-1985-2019

• Member of South African Chemical Institute (SACI)
• Society of Porphyrins and Phthalocyanines

• Therapeutic activity of new squaraine dye nanoconjugates in photodynamic therapy, bio-imaging and photo-antimicrobial chemotherapy
• Photocatalysis of organic dyes using electrospun fibres based on nanoconjugates of transition metal nanoparticles and phthalocyanines
• Electrochemical reduction and oxidation of organic dyes using paramagnetic nanoconjugates as electrocatalysts
• Asymmetric porphyrazine nanoconjugates in photodynamic therapy and photo-antimicrobial chemotherapy
• Electrocatalysis of nanoconjugates based on homoleptic and heteroleptic sandwich-type rare-earth phthalocyanines of the symmetric and asymmetric nature and a selection of nanoparticles
• Synthesis of extensive π-conjugated systems based on n-tuple sandwich-type phthalocyanines and porphyrazines, and nanoparticles for various applications