Mr. Emeka Gabriel Orizu
Mr. Emeka Gabriel Orizu is a LECTURER I in PHYSICS AND INDUSTRIAL PHYSICS Department, Faculty Of Physical Sciences in Nnamdi Azikiwe University
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Staff Profile
My name is Orizu Gabriel Emeka, a lecturer in the Department of Physics and Industrial Physics. Area of specialization is Solar Energy Physics
Personal Information
Email: | |
Phone: | |
Address: | Physics And Industrial Physics, Faculty Of Physical Sciences, Nnamdi Azikiwe University, Awka. |
Faculty/Unit: | FACULTY OF PHYSICAL SCIENCES |
Department/Sub-Unit: | PHYSICS AND INDUSTRIAL PHYSICS |
Social Profiles
Academic Qualifications
| Degrees / Basic Certificates | |
|---|---|
| 1 | University of Nigeria Nsukka. (Doctor of Philosophy, July, 2026) March, 2019 to June, 2026 Ph.D Solar Energy And Materials Science |
| 2 | University of Nigeria Nsukka. (Doctor of Philosophy, July, 2026) March, 2019 to June, 2026 Ph.D Solar Energy And Materials Science |
| 3 | University Of Lagos. (Master Degree, December, 2012) October, 2010 to August, 2012 MSc. Physics |
| 4 | University Of Ibadan. (Bachelor Degree, February, 2006) October, 2000 to October, 2005 BSc Physics |
Relevant/Working Experience
| 1 | Lecturer I, Nnamdi Azikiwe University Awka, Awka Anambra State October, 2023 to September, 2026 |
| 2 | Lecturer II, Nnamdi Azikiwe University, Awka----Awka/Anambra State. August, 2020 to September, 2023 |
| 3 | Technologist II, Nnamdi Azikiwe University, Awka----Awka/Anambra State. February, 2013 to August, 2019 |
| 4 | System Administrator, Ecoweb Nig. Ltd January, 2008 to December, 2010 |
Creative Output
| Books | |
|---|---|
| 1 | • Uzor, C.E., Anene, C. R., Nwoye, A.N., Omoja, U.C., Orizu, G.E., Ikenga, O.A., Anyanor, O.O., and Ndeche, K.C.. (2020, January) Understanding The Basic Concepts In Physics. First Edition 2020 Patrobas Nigeria Limited |
| Journal Articles | |
| 1 | Isi P.O., Ofuaro S., Chinedu B.C., Ikenga O.A., Muomeliri C.B., Orizu G.E., Ndukwe F.O., Alor K.P., Aribodor D.N. and Isah J.. (2026, May), "Design and Development of a Secure door access module using Finger print, Face and Pin authentication", Research Journal of Engineering Sciences, Vol. 15, (Issue 2), pp 6-10 |
| 2 | Emeka K. Oparaku, Gabriel E. Orizu, Assumpta C. Nwanya, Fabian I. Ezema, Azubuike J. Ekpunobi. (2026, July), "Ternary Metal‐Organic Framework/Graphene Oxide/Epoxy Nanocomposite Coatings for Corrosion Protection: A Review", Materials and Corrosion, pp 1-17 |
| 3 | Nnabuihe Emmanuel Chinweike, Isi Pretty Oyibo, Orizu Gabriel Emeka, Steve-Obi Chika Evan. (2026, May), "A Multi-Indicator Assessment of Soil Degradation Under Contrasting Land Use Systems in Coastal Plain Sands of Imo State Southeastern Nigeria", International Journal of Horticulture and Agriculture Research, Vol. 2, (Issue 4), pp 142-149, DOI:10.58806/ijhar.2026.v2i4n01 |
| 4 | G E Orizu, E K Oparaku, P O Isi, R A Akwolu, C D Mgbadike, E C Obidike. (2026, April), "Study of Decreasing Efficiency of a Photovoltaic Cell Caused by Accumulated Dust Particles of Different Types", International Journal of Recent Development in Engineering and Technology, Vol. 15, (Issue 4), pp 504-510 |
| 5 | P.O.Isi, O.A. Ikenga, K.P. Alor, C.B. Muomeliri, F.O. Ndukwe, G.E. Orizu, S.O. Ezeonu, D.N. Aribodor, J. Isah. (2026, May), "Comparative Drying Efficiency Of Open Air And Passive Solar Cabinet Dryers For Plantain (Musa Paradisiaca) And Sweet Potato (Ipomoea Batatas) South Eastern Nigeria", IOSR Journal Of Applied Physics (IOSR-JAP), Vol. 18, (Issue 3), pp 41-45, DOI: 10.9790/4861-1803014145 |
| 6 | G E Orizu, R A Akwolu, E K Oparaku, P O Isi, V M Igba, E E Uzochukwu. (2026, May), "Investigation Of Monthly Peak Sun Hours For Proper Load Management In Awka, Anambra State, Nigeria", International Journal of Engineering Research & Technology (IJERT), Vol. 15, (Issue 5), pp 1-8 |
| 7 | G. E. Orizu, P. E. Ugwuoke, I. Humphrey, N. I. Obot, and S. U. Offiah. (2023, July), "The relative comparison of different Models used for determining PV tilt angle in Anambra and Enugu state- Nigeria", Global Scientific Journal Publications (GSJ), Vol. 11, (Issue 7), pp 2454-2474 |
| 8 | G E Orizu, P E Ugwuoke, P U Asogwa and S U Offiah. (2023, May), "A review on the inference of doping TiO2 with metals/non-metals to improve its photocatalytic activities", IOP Conference Series: Earth and Environmental Science, Volume 1178, 5th international conference/Training Workshop on Energy for Sustainable Development in Africa (ICTWESDA-2022) 16/5/2022 - 19/5/2022 Nsukka, Nigeria, Vol. 1178 |
| 9 | G.E Orizu, U.V Okpala, C.C Onuchukwu and U.C Nnaemeka. (2021, May), "Optimum Tilt Angle For Mounting A Solar Panel In Onitsha And Its Environment.", International Journal of Scientific Research and Engineering Development, Vol. 4, (Issue 3), pp 2581-7175 |
| 10 | Orizu, G.E., Okpala, U.V, and Humphrey, I.. (2021, February), "Determination Of Number Of Days Of Autonomy For Battery Sizing In Lagos, Nigeria.", Ife Journal of Science and Technology, Vol. 3, (Issue 1), pp 133-141 |
| 11 | • I. Humphrey, N. I. Obot, G. E. Orizu, and M. A. C. Chendo. (2018, November), "Acid-Catalysed Esterification Enhanced Biodiesel Yield From Used Cooking Oil.", International Journal of Energy, and Economics, Nova Science Publisher, Inc., Vol. 26, (Issue 1), pp 1-15 |
| Conference Papers | |
| 1 | G E Orizu, E K Oparaku, DM Jeroh, S U Offiah, P E Ugwuoke, P U Asogwa, F I Ezema. (2026, June), "Improving The Efficiency Of A TiO2 Photoanode Doping With Fe, Cu, N, Ce, Fe/Cu, And Fe/Cu/N Using Hydrothermal Method", , pp 9 |
| 2 | Orizu, Gabriel Emeka; Ugwuoke, Paulinus; Asogwa, Paul Uroko; Offiah, Solomon Ugochukwu; Okwe, Gerald; and Nwakanma, Onyekachi Michael. (2025, July), "Hydrothermally synthesised Cu-doped TiO2 and Ce-doped TiO2 for dye-sensitised solar cells.", |
| 3 | G E Orizu, P E Ugwuoke, P U Asogwa, S U Offiah, K P Alor, N Onyekachi, I Humphrey, I F Okafor, and F I Ezema. (2023, September), "The effect of doping on the TiO2 made photoanode for an improvement on the performance of a DSSC - A review", |
| 4 | G E Orizu, P E Ugwuoke, P U Asogwa, S U Offiah, K P Alor and N I Obot, I F Okafor, and F I Ezema. (2023, September), "The review of the effect of doping and annealing temperature on the photoluminescence activities of anatase TiO2", |
| 5 | Alor K.P, Ezekoye B.A, Ugwoke P.E, Offiah S.U, Orizu G.E, and Akwolu R, Okafor I F, Ezema F.I.. (2023, September), "Synthesis and Fabrication of Natural Dye Sensitized Solar Cells (NDSSCs) Using ZrDoped TiO2 as Photoanode and Extract of Beech Wood Flower (Gmelina flower) as Sensitizer", |
| 6 | Alor K.P, Ezekoye B.A, Ugwoke P.E, Offiah S.U, Orizu G.E, Nwakanma O, Akwolu R, Okafor I F, Ezema F.I. (2023, September), "EFFECTS OF VANEDIUM DOPANTS ON TiO2 NANOPARTICLES FOR NATURAL DYE SENSITIZED SOLAR CELL", |
| 7 | R. A Akwolu, A Agbogu, and G.E Orizu. (2023, September), "CONSTRUCTION OF SPIN COATER DEVICE USING VACUUM HOLDER SUBSTRATE FOR THIN FILM DEPOSITION", |
| 8 | Offiah S. U, Orizu G. E, Ugwuoke P. E, & Ezema F. I.. (2022, August), "EFFECTS OF ALUMINUM DOPANTS ON ZnO NANOPARTICLES FOR NDSSC APPLICATIONS", |
| 9 | G. E. Orizu, E. C. Obidike and U. C. Omoja. (2021, September), "The effect of Different Types of Dust Particules on the Performance of a PV Modules", |
Academic Leadership Qualities
| Editorships | |
|---|---|
| 1 | Editor, "National Solar Energy Journal" (December, 2023) |
| Reviewerships | |
| 1 | Reviewer, "Impact of Magnetic Field on Waves in a Rotating Inhomogeneous Material Under Imperfect Boundary and Inclined Mechanical Load: Inhomogeneous Impedance Consideration" (October, 2025) |
| Contributions to the University/Society | |
| 1 | Chairman, "SOLAR FARM COMMITTEE" (July, 2026) |
| 2 | Departmental Library Officer, "Department of Physics and Industrial Physics Nnamdi Azikiwe University Awka/Departmental Library" (January, 2022 to December, 2022) |
| 3 | Departmental Library Officer, "Department of Physics and Industrial Physics Nnamdi Azikiwe University Awka/Departmental Library" (January, 2022 to December, 2025) |
| 4 | Member, "Faculty of Physical Sciences, Nnamdi Azikiwe University Awka/Faculty International Cooperation and Linkages Committee" (March, 2021 to December, 2022) |
| 5 | Member, "Faculty of Physical Sciences, Nnamdi Azikiwe University Awka/Faculty Annual Lecture Committee (2022)" (March, 2021 to December, 2022) |
| 6 | Member, "Faculty of Physical Sciences, Nnamdi Azikiwe University Awka/Faculty Annual Lecture Committee (2022)" (March, 2021 to December, 2022) |
| 7 | Assistance Departmental SIWES Coordinator, "Department of Physics and Industrial Physics Nnamdi Azikiwe University Awka" (February, 2020 to February, 2022) |
| 8 | Departmental Secretary, "Department of Physics and Industrial Physics Nnamdi Azikiwe University Awka" (September, 2018 to November, 2019) |
| 9 | Departmental Welfare Secretary, "Department of Physics and Industrial Physics Nnamdi Azikiwe University Awka" (October, 2017 to July, 2018) |
Membership of Professional/Relevant Bodies
| 1 | Full Member, "NIGERIAN INSTITUTE OF PHYSICS (NIP)" - OM/21/160 (member since 2021), https://www.nipngn.org |
| 2 | Full Member, "Solar Energy Society of Nigeria" - MSESN-956 (member since 2019), https://www.seson.com.ng |
Relevant Events Attended
| Conferences | |
|---|---|
| 1 | "7th International conference/Training Workshop on Energy for Sustainable Development in Africa", (ENERGY COMMISSION OF NIGERIA, NATIONAL CENTRE FOR ENERGY RESEARCH AND DEVELOPMENT, UNIVERSITY OF NIGERIA, NSUKKA), 23rd June, 2026 to 24th June, 2026; University of Nigeria Nsukka |
| 2 | "The 6th Biennial Conference/Workshop on Applications of Nanotechnology to Energy Environment, Agriculture and Health", (NANO RESEARCH GROUP, University of Nigeria Nsukka, in collaboration with OilServ Limited Group of Companies), 14th July, 2025 to 19th July, 2025; University of Nigeria Nsukka |
| 3 | "The 5th Biennial Conference/Workshop on Applications of Nanotechnology to Energy, Enviroment, Agriculture and Health", (NANO RESEARCH GROUP, University of Nigeria, Nsukka in Collaboration with Oilserv Limited Group of Companies Supported by US ARMY), 10th September, 2023 to 16th September, 2023; University of Nigeria, Nsukka |
| 4 | "11th Annual & International Conference of Renewable & Alternative Energy Society of Nigeria (RAESON)", (RENEWABLE AND ALTERNATIVE ENERGY SOCIETY OF NIGERIA (RAESON) in conjunction with Nnamdi Azikiwe University Awka n), 25th April, 2023 to 28th April, 2023; Nnamdi Azikiwe Univeristy, Awka Anambra state. |
| 5 | "40th NATIONAL SOLAR ENERGY FORUM (NASEF 2022)", (SOLAR ENERGY SOCIETY OF NIGERIA), 29th August, 2022 to 30th August, 2022; NIGERIAN DEFENCE ACADEMY, KADUNA NIGERIA |
| 6 | "5th International Conference/Training Workshop on Energy for Sustainable Development in Africa", (National Centre for Energy Research and Development University of Nigeria Nsukka / Energy Commission of Nigeria, Abuja IN COLLABORATION WITH German International Cooperation (GIZ)), 17th May, 2022 to 19th May, 2022; NATIONAL CENTRE FOR ENERGY RESEARCH AND DEVELOPMENT, UNIVERSITY OF NIGERIA, NSUKKA |
| 7 | "43rd Annual Conference of the Nigerian Institute of Physics", (Nigerian Insitute of Physics (NIP) in Conjuction with Nnamdi Azikiwe University, Awka Anambra State), 21st September, 2021 to 26th September, 2021; Nnamdi Azikiwe Univeristy, Awka Anambra state. |
| 8 | "• 1st International Conference At Faculty Of Physical Science Chukwuemeka Odumegwu Ojukwu University Uli Campus, Anambra State Nigeria. FAPSCON 2017.", (Faculty of Physical Science, Chukwuemeka Odumegwu Ojukwu University Uli Campus.), 4th May, 2017 to 5th May, 2017; Chukwuemeka Odumegwu Ojukwu University Uli Campus |
| Workshops | |
| 1 | "Workshop For PGC 701-Synopsis And Research Grant Writing 2019 At University Of Nigeria Nsukka, Nsukka Enugu State, Nigeria", (School of Postgraduate Studies, University of Nigeria Nsukka), 17th October, 2019 to 18th October, 2019; Nsukka Campus |
| 2 | "2016 Postgraduate Research Workshop: TRAIN THE TRAINERS At Nnamdi Azikiwe University, Awka Anambra State, Nigeria.", (School of Postgraduate Study, Nnamdi Azikiwe University Awka.), 31st October, 2016 to 24th November, 2016; Nnamdi Azikiwe University Main Campus Awka |