Experts directory

Dr G Mamba

College of Science, Engineering and Technology
Institute for Nanotechnology and Water Sustainability
Lecturer
Tel:
011 471 3978
E-mail:
mambag@unisa.ac.za

Expertise

  • Membrane Technology
  • Nanomaterials Characterization
  • Nanotechnology for Water Treatment
  • Polymer chemistry

Qualifications

  • PhD Chemistry (University of Johannesburg, South Africa, 2015)
  • MSc Chemistry (University of Johannesburg, South Africa, 2010)
  • PGCE (University of Swaziland, Swaziland, 2007)
  • (Biology/Chemistry, University of Swaziland, Swaziland, 2006)

NRF Rating

Y2

Currently teaching

  • Inorganic Chemistry
  • Nanostructured materials synthesis
  • Water treatment

Fields of academic interests

  • Catalysis
  • Renewable energy generation
  • Environmental decontamination

Field of Specialisation

  • Inorganic Chemistry
  • Nanostructured materials synthesis
  • Water treatment

Books

  • G. Mamba, X.Y. Mbianda, A.K. Mishra. (2014) Chapter 8 Application of Carbon Nanotube-Polymer Composites and Carbon Nanotube-Semiconductor Hybrids in Water Treatment. In book: Applications of Nanotechnology in Water Research, Wiley-Scrivener Publishing LLC, pp.183-228, ISBN: 978- 1-118-49630-5.

Journal articles

  1. G. Mamba; J. Kiwi; C. Pulgarin, R. Sanjines, S. Giannakis, S. Rtimi. Evidence for the degradation of an emerging pollutant by a mechanism involving iso-enegetic charge transfer under visible light. Applied Catalysis B: Environmental 233 (2018) 175-183.
  2. G. Mamba; S. Rtimi; C. Pulgarin; M. Bensimon; J. Kiwi. Synchronic coupling of Cu2O(p)/CuO(n) semiconductors leading to Norfloxacin degradation under visible light: Kinetics, mechanism and surface film properties. Journal of Catalysis 353 (2017) 133-140
  3. G. Mamba, A.K. Mishra. Graphitic carbon nitride (g-C3N4) heterostructures: A new and exciting generation of visible light driven photocatalysts for environmental pollution remediation. Applied Catalysis B: Environmental 198 (2016) 347-377.
  4. G. Mamba, A.K. Mishra. Advances in magnetically separable photocatalysts: Smart, recyclable materials for water treatment. Catalysts (Invited contribution) 6 (6) (2016) 79.
  5. G. Mamba, X.Y. Mbianda, A.K. Mishra. Photocatalytic degradation of the diazo dye naphthol blue black in water using MWCNT/Gd, N, S-TiO2 nanocomposites under simulated solar light. Journal of Environmental Sciences 33 (2015) 219-228.
  6. G. Mamba, X.Y. Mbianda, A.K. Mishra. Enhanced visible light photocatalytic degradation of eriochrome black T and eosin blue shade in water using tridoped titania decorated on SWCNTs and MWCNTs: Effect of the type of carbon nanotube incorporated. Materials Chemistry and Physics 149-150 (2015) 734-742.
  7. G. Mamba, X.Y. Mbianda, A.K. Mishra. Gadolinium nanoparticle-decorated multiwalled carbon nanotube/titania nanocomposites for degradation of methylene blue in water under simulated solar light. Environmental Science and Pollution Research 21 (2014) 5597-5609.
  8. G. Mamba, M.A. Mamo, X.Y. Mbianda, A.K. Mishra. Nd,N,S-TiO2 decorated on reduced graphene oxide for a visible light active photocatalyst for dye degradation: A comparison to its MWCNT/Nd,N,S-TiO2 analogue. Industrial and Engineering Chemistry Research 53 (2014) 14329−14338.

Paper presentations

  • Publications:  12

Professional positions, fellowships & awards

  • Certificated Natural Scientist, SACNASP
  • Member of the South African Chemical Institute (SACI)
  • Swiss Government Excellence Postdoctoral Fellowship, Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland
  • Postdoctoral Research Fellow, UNISA College of Science, Engineering and Technology, Florida.
  • DST-NRF Centre of Excellence in Strong Materials PhD Fellowship

Projects

  • Magnetic ternary nanostructures for heavy metal reduction and oxidation of emerging pollutants
  • Photocatalytic ozonation of natural organic matter
  • Photocatalytic surfaces prepared by DCMS for oxidation of emerging pollutants
  • Rare earth doped titania/carbon nanomaterial nanocomposites for dye degradation
  • Phosphorylated carbon nanotube-cyclodextrin polymers for water treatment

Other