Designation: Lecturer
Contact: 0716568099
School/Institute: School of Science
Department: Chemistry

Academic Background

Qualification Institution Year
Postdoctoral Fellow (Nanotechnology; Nanomaterials synthesis, characterization and green energy storage device fabrication) University of KwaZulu Natal, South Africa 2015 – 2016
PhD Physical chemistry and Materials ScienceUniversity of KwaZulu Natal, South Africa 2015
MSc. Chemistry Egerton University, Kenya 2011
B.ED (Sci; Chemistry and Physics) Egerton University, Kenya 2001


Dr Moses Abednego Ollengo is a Senior Lecturer and Director at; the Directorate of Research, Innovation Management and Community linkages. He received his B. ED Science specializing in chemistry and physics in 2001 and MSc. Chemistry in 2011 from the Egerton University, Kenya. He obtained a PhD (Physical chemistry and materials Science) in 2015 from the University of KwaZulu-Natal, South Africa. Visiting Research Fellow at the University of KwaZulu-Natal, South Africa: Has patent in intelligent materials for energy storage and laser accessory. He is National Commission for Science, Technology and Innovation (NACOSTI), DedanKimathi University Desk Officer, to champion all Science, Technology and Innovation activities within the University. Chair of the scientific advisory and publication subcommittee for KonzaTechnopolis Conference to spearhead the establishment of the proposed Konza Journal. Secretary to DedanKimathi University of Science and Technology Research Ethics Committee and Coordinator for the East African Scholarship program for DedanKimathi University of Technology. He has taught Analytical Chemistry, Bioinorganic Chemistry, Radiation and nuclear chemistry and Inorganic and physical chemistry.


  • Samantha Ndlovu, Moses A. Ollengo, Edigar Muchuweni  and Vincent O. Nyamori, Current advances in perovskite oxides supported on graphene-based materials as interfacial layers of perovskite solar cells, Critical Reviews in Solid State and Materials Sciences 2022; X(X): XX-XX,
  • Caroline JepchirchirKosgei, Josphat Clement Matasyoh, MeshackObonyo, Peter Mwitari, Lucia Keter, James Jorum Owuor, Moses Ollengo, Beatrice Irungu, Festus Tolo, Green Synthesis of Silver Nanoparticles Using Dichloromethane-Methanol Flower Extract of chrysanthemum cinerariaefolium and Its Antibacterial Activity, American Journal of Nanosciences, 2021; X(X): XX-XX, doi: 10.11648/j.XXXX.2021XXXX.XX
  • Nonjabulo P. D. Ngidi, Moses A. Ollengo and Vincent O. Nyamori Tuning the properties of boron-doped reduced graphene oxide by altering the boron content, New Journal of Chemistry, 2020, 44, 16864. DOI: 10.1039/d0nj03909h
  • Peter Maina Wairimu, Moses A. Ollengo And Esther W. Nthiga, The Structural and Chemical Properties of the Nile Perch Fish Leather, The Journal of the American Leather Chemists Association 2020, 115
  • Gerald Mbugua, Isaac Mwangi, Ruth Wanjau, Moses Abednego Ollengo, Esther WanjaNthiga, Jane Catherine Ngila, Facile removal of fluoride ions from water using triethylamine modified polyethene adsorbent, Asian Journal of Research in Chemistry; 2020, 13(1), 60 – 64 DOI: 10.5958/0974-4150.2020.00013.9:;PID=2020-13-1-13
  • Peter Maina Wairimu, Moses A. Ollengo and Esther W. NthigaTrends in leather processing: A Review, International Journal of Scientific and Research Publications 2019, 9(12), 212- 223,
  • Peter MainaWairimu, Moses A. Ollengo And Esther W. NthigaPhysical Properties of Chrome-Tanned Nile Perch(Latesniloticus) Fish Leather, Society of Leather Technologists and Chemists, 2019, 103, 314 -317
  • Ngidi NPD, Ollengo MA, Nyamori VO Effect of Doping Temperatures and Nitrogen Precursors on the Physicochemical, Optical, and Electrical Conductivity Properties of Nitrogen-Doped Reduced Graphene Oxide, Materials201912(20), 3376;
  • Dr. Tomilola J. Ajayi , Dr. Moses Ollengo, Dr. Lukas le Roux, Dr. Michael N. Pillay, Dr. Richard J. Staples, Prof. Shannon M. Biros, Dr. Kasper Wenderich, Prof. Bastian Mei, Prof. Werner E. van Zyl, HeterodimetallicFerrocenylDithiophosphonate Complexes of Nickel(II), Zinc(II) and Cadmium(II) as Sensitizers for TiO2‐Based Dye‐Sensitized Solar Cells, ChemistrySelect 2019, 4 (25), 7416 –7424.
  • Ngidi NPD, Ollengo MA, Nyamori VO. Heteroatom‐doped graphene and its application as a counter electrode in dye-sensitized solar cells. International Journal of Energy Research 2018; 1–33.
  • Mbugua, G., Mbuvi, H., Muthengia, J., Githinji, I., Nthiga, W.E., Ollengo, A.M., Zeolite Materials Derived from Water 
    Hyacinth and Rice Husk Ashes Clear Turbidity and Remove Lead Ions from Contaminated Water. International Journal of Current Research 2018, 10(08), 
  • Tomilola J. Ajayi, Moses Ollengo, Lukas le Roux, Michael N. Pillay, Richard J. Staples, Shannon M. Biros Werner E.vanZyl (2018) HeterodimetallicFerrocenylDithiophosphonate Complexes of Nickel(II),Zinc(II) and Cadmium(II) as High Efficiency Co-Sensitizers in Dye-SensitizedSolar Cells, World Academy of Science, Engineering and TechnologyInternational Journal of Energy and Environmental EngineeringVol:12, No:11, 2018.

Patent Published

  • US Patent No.: US2020/0211730 A1 – July 2, 2020: Electroconductive composite:
  • China Patent No: ZL 201880032854.4 Hall-Effect Electroconductive composite:
  • Japan Patent No.: 6989615 Hall-Effect Electroconductive composite:
  • WO 2018/167634 Al– (2018)” Nanocrystalline cellulose/graphene oxide composite versatile material for optoelectronic, photonic, and spintronic application ” – Creators: BS Martincigh, WE van Zyl, VO Nyamori, MA Ollengo, ET Mombeshora and V Moodley, filed March 2018.:
    Fabrication of nanocrystalline cellulose/graphene oxide composite structured films for application in flexible energy storage, optoelectronic, spintronics and electronic devices.

Areas of Expertise

  • Nanotechnology
  • Photochemistry
  • Materials science
  • Specifically semiconductor technology