Prof. Ifeyinwa Amaka Ezenwa

Condensed Matter, Material Science, Solid State Physics, Solar Energy, Experimental Physics, Nano Technology

. Journal articles (International) [1] Ezenwa I.A., Optical Analysis of Chemical bath Fabricated CuO Thin Films, Res. J. Recent Sci., Vol. [2] Ezenwa I.A., Synthesis and Optical Characterization of Zinc Oxide Thin Film, Res. J. Chem. Sci., Vol. .[3] Ezenwa I.A., Optical Properties of Chemical Bath Deposited Lead Selenide Thin Films, Advances in Applied Science Research, Vol. 1[4] Ezenwa I.A., Effects of Deposition Time on the Absorbance of Chemical Bath deposited CuS Thin Films, Res. J. Engineering Sci., Vol. [5] Ezenwa I. A. Effect of Film Thickness on the Transmittance of Chemical Bath Fabricated CdS Thin Film, Advances in Applied Science Research, [6] Ezenwa I.A., Effect of Film Thickness on the Transmittivity of Chemical Bath Synthesized PbS Thin Film, Res. J. Engineering Sci., Vol. [7] Ezenwa I. A. and Okereke N. A. Effects of Ligand on the Absorbance and Transmittance of Chemical Bath Deposited Zinc Sulphide Thin Film, Advances in Applied Science Research, . [8] I.A. Ezenwa and A. J. Ekpunobi, Optical properties and Band Offsets of CdS/PbS Superlattice, Pacific Journal of Science and Technology, Vol. [9] Ezenwa I. A. and Ekpunobi A. J., Deposition and Characterization of CdS Thin Film by Chemical Bath Method, Pacific Journal of Science and Technology, Vol. [10] Ezenwa I. A. and Ekpunobi A. J. Optical Properties and Band offsets of CdS/ZnS Superlattice Deposited by Chemical Bath, Jour. of Non-Oxide Glasses, [11] Ezenwa I. A and Ekpunobi A. J., Fabrication and Characterization of Lead Sulphide Thin Film by Chemical Bath Deposition, International Research Journal of Engineering Science, Technology and Innovations, Vol. . [12] N.A. Okereke , I.A. Ezenwa and A.J. Ekpunobi, Effect of Thickness on The Optical Properties of Zinc Selenide Thin Films, Journal of Non-Oxide Glasses, Vol. [13] I. A. Ezenwa, Okereke N. A. , N. J. Egwunyenga, Optical Properties of Chemical Bath Deposited Ag2S Thin Films, Inter. Jour. of Sci. and Tech., Volume [14] N. A. Okereke, I. A. Ezenwa and A .J. Ekpunobi, Effect of Complexing Agent (TEA) on Chemically Deposited Silver Selenide Thin Films, Inter. Jour. of Sci. and Tech., Volume [15] E. Ezeobele, N. A. Okereke and A. I. Ezenwa, Effect of Bath Temperature on the Optic Properties of Aluminium Sulphide Thin Films, Inter. Jour. Sci. and Tech., Volume 3, [16] Ezenwa I. A., Okereke N. A. and Okoli L. N., Optical Properties of Copper Selenide Thin Film, International Research Journal of Engineering Science, Technology and Innovations, Vol. [17] Ezenwa I. A., Okereke N. A. and Okoli L. N., Electrical Properties of Copper Selenide Thin Film, IPASJ International Journal of Electrical Engineering, Vol. 1, Issue . [18] Ezenwa I. A. and Okoli L. N., Synthesis and Characterization of Chemically Deposited Iron Copper Sulphide (FeCuS) Thin Films, Asia Pacific Journal of Research, Vol. [19] Ezenwa I. A., Ezenwaka L. N. and Egwunyenga N., Optical And Structural Characteristics of MgS Thin Films Fabricated by Electrodeposition, Asia Pacific Journal of Research, Vol. I, Issue XXI, [20] Ezeobele, E. E. and Ezenwa, I. A., Optical Properties of Silver Aluminium Sulphide Ternary Thin Films Deposited by Chemical Bath Method, International Jour. Sci. and Tech., . [21] Ezeobele, E. E. and Ezenwa, I. A., Optical Properties of Lead Silver Sulphide Ternary Thin Films Deposited by Chemical Bath Method, International Jour. Sci. and Tech., [22] Ezenwa I. A. and Okoli L. N., Characterization of Chemically Synthesized copper Zinc Sulphide (CuZnS) Thin Films, European open Applied Physics Journal, Vol. [23] Ezenwa I. A. and Okoli N. L., Optical and Structural Characterization of FeCuS Ternary thin films, Int. jour. Inno. Tech. & Res., Vol. 3, Issue [24] Ezenwa I. A., Obiagauzo P. O. and Ebeh L. N., Synthesis and Optical Characteristics of AgO Thin Films Fabricated by Chemical Bath Deposition Method, Int. jour. Inno. Tech. & Res., Vol. 3, Issue 4, [25] I. A. Ezenwa and C. I. Elekalachi, Absorbance Spectra of CdS Thin Film at Varying Concentration of Ligand, Jour. Nanosci. and Nanoeng., Vol. [26] I. A. Ezenwa and C. I. Elekalachi, Transmittance Spectra of CuS Thin Film at Varying Concentration of Complexing Agent, International Journal of Materials Chemistry and Physics, [27] I. A. Ezenwa and C. I. Elekalachi, Transmittance Spectra of ZnS Thin Film at Varying Concentration of Zinc ion Precursor, Physics Journal, Vol. [28] Okereke N. A. and Ezenwa I. A,. Spectra Analysis of CuNiS Film, International Educational Scientific Research journal, Vol. . [29] L. N. Okoli, I. A. Ezenwa , C. I. Elekalachi 1, O. T. Okpaneje, V. C. Okoye, Time Optimization of Chemically Deposited Cadmium Silver Sulphide (CdAgS) Ternary Thin Films at Room Temperature, Physics Journal, Vol. . [30] C. I. Elekalachi, A. O. C. Nwokoye, I. A. Ezenwa and N. L. Okoli . Estimation of Global Solar Radiation from Monthly Mean Sunshine Hour Data in Some Cities in South Eastern Zone of Nigeria, Physics Journal, Vol. 2, No. 2, pp. 96-103, (2016).[31] N.J Egwunyenga, N. L. Ezenwaka I. A. Ezenwa, and Nonso Livinus Okoli. Effect of annealing Temperature on the Optical Properties of Electrodeposited ZnO/MgO Superlattice, Material Research Express, Vol. 6 [32] Okafor L. U., I. A. Ezenwa, and Nonso L. O. Synthesis and Optical Characterization of Polyaniline/Iron Oxide Nanocomposite, Inter. Jour. Of Eng., Science and Mathematics, Vol. 9(01) [33] Ezeobele Emmanuel Emeka, Ezenwa Ifeyinwa Amaka and Okoli Nonso Livinus. Effect of pH on the Optical and Electrical Properties of PbAgS Ternary Thin Films Deposited by Chemical Bath Deposition, International Technology and science Publication (ITS):Applied Physics, Volume 3, page 47-59 (2020). [34]Egwunyenga Nkechi Josephine, Ezenwaka Laz Nnadozie, Ezenwa Ifeyinwa Amaka and Okoli Nonso Livinus. Structural, Morphological Properties and band Alignment in Electrodeposited ZnO/MgO Superlattice, International Technology and science Publication (ITS):Applied Physics, Volume 3,Issue 3, page 23-31, (2020). [35] Ezenwaka L. N., Okoli L. N., Okererke N. A. Ezenwa I. A. and Nwori N. A. Properties of Electrosynthesized Cobalt Doped Zinc Selenide Thin Films Deposited at varying Time, Nanoarchitectonics, Vol. 3, Issue 3, [36]Nonso Livinus Okoli, Laz Nnadozie Ezenwaka, Ngozi Agatha Okereke, Ifeyinwa Amaka Ezenwa and Nwode Augustine Nwori. Investigation of Optical, Structural, Morphological and Electrical Properties of Electrodeposited Cobalt Doped Copper Selenide Thin Films. Trends in Sciences; 19(16): 5686. (2022)[37] Elekalachi, C. I, Ezenwa, I. A, Okereke, A. N, Okoli, N. L and Nwori, A. N. Influence of Annealing Temperature on the Properties of SILAR Deposited CdSe/ZnSe Superlattice Thin Films for Optoelectronic Applications, Nanoarchitectonics. Vol.4, Issue 1 p.26-44. DOI: https://doi.org/10.37256/nat.4120231650. (2022).[38] C. B. Eze, I.A. Ezenwa, N. L., Okoli, C. I. Elekalachi, N. A. Okereke. Study of Optical and structural Properties of SILAR deposited Cobalt Sulphide Thin Films.Journal of Nano and Material Science Research.Vol. 2, No. 1, p.123-130 (2023).II. Journal Articles (Local) [39] Ezenwa I. A. and Ekpunobi A. J. Reduction of Electronic Waste in the Environment by miniaturization, Env. Stud. & Res. Jour., Vol. [40] Ezenwa I. A. and Ekpunobi A. J., Optical Properties and Band offsets of ZnS/CuS superlattice, Nat. and Appl. Sc. Jour., Vol. [41]Ezenwa I. A. and Okereke N. A. Optical Properties of Cadmium Sulphide (CdS), Copper Sulphide (CuS) and CdS/CuS Thin Films and Their Application in Photovoltaic Technology, Nig. Jour. of Sol. Ener., Vol. [42] Ezenwa I. A., Ekpunobi A. J. and Ekwo P., Growth and Characterization of Zinc sulphide thin film by Chemical Bath Deposition, Nat. and Appl. Sc. Jour., Vol. [43] Ezenwa I. A., Ekpunobi A. J. and Ekwo P., Growth and Characterization of CuS thin film by Chemical Bath Deposition, Nat. and Appl. Sc. Jour., Vol. [44] Ezenwa I. A., Ekpunobi A. J. and Ekwo P. Comparative Studies of the Optical Properties of Copper Sulphide (CuS), Lead Sulphide (PbS) and Lead Sulphide/Copper Sulphide (PbS/CuS) Thin Film at 300K, Nig, Jour. of Sol. Ener., Vol. . [45] Ezenwa I. A., Ekpunobi A. J. and Umeokwonna N. S., Optical Properties and Band offsets of PbS/ZnS Superlattice, Nig. Jour. of Sol. Ener., Vol. [46] Ezenwa I. A., Okereke N. A. and Umeokwonna N. S., Effects of pH on the Optical Properties of Solution grown Cadmium Selenide (CdSe) Thin Film, Jour. of Basic Physical Research, Vol. [47] Umeokwonna N. S., Ezenwaka L.N. and Ezenwa I. A., Effects of Bath Parameters on the Thickness of Cadmium Sulphide Thin Film, Nat. and Appl. Sc. Jour., Vol. [48] N. A. Okereke, I. A. Ezenwa and A. J. Ekpunobi, Effect of Bath Parameters on Thickness of Chemically Deposited Copper Selenide Thin Films. Nat. and Appl. Sc. Jour., Vol. . [49] Ezenwa I. A. and Obiechine F. O., Optical Properties of Nickel Oxide Thin Film, COOU Interdisciplinary Research Journal, Maiden Edition, .[50] Umeokwonna N. S., Ezenwaka Laz, Nwori Augustine, Ezenwa A. I., Optical Properties of Magnesium Oxide Thin film Grown by Solution Growth Technique, COOU Interdisplinary Research Journal, [51] Ezenwa I. A., Okereke N. A. and Okoli N. L. Comparative Analysis of the Absorbance Spectra of Copper Sulphide, Cadmium Sulphide and Cadmium Sulphide / Copper Sulphide Films, COOU Jour. Multidis. Stu., Vol. 1, Issue 1, p. 69-76, (2017). [52] Okereke N. A., Ezenwa I. A. Bath Temperature Effects on Optical Measurement of Silver Sulfide Thin Films Synthesized by Chemical Bath Deposition Technique. COOU Jour. Multidis. Stu., Vol. 1, Issue [53] Egwunyenga N. J., Ezenwa I. A., and Ezenwaka L. N. Optical Properties of Electrodeposited Magnesium Oxide Thin Films. COOU Jour. Of Physical Sci, Vol. 1 (2) [54] Ezenwa I. A., Okereke N. A., Okoli N. L. and Ike C. E. Optical,Morphological and Structural Studies of Chemical Bath Fabricated Tin Oxide Thin Films. COOU Jour. Of Physical Sci, Vol. 1 (2) [55] Okereke N. A., Ezenwa I. A., Okereke N. A., Okoli N. L. and Opara C. U. Optical Properties of Chemically Deposited Copper Nickel Selenide (CUNISE) Films. COOU Jour. Of Physical Sci, Vol. 1 (2) [56] N. A. Okereke, I. A. Ezenwa and F. O. Ejimofor. Influence of molar concentration of Nickel (Ni) on Optical Properties of Copper Nickel Sulphide (CuNiS) Thin Films. COOU Jour. Of Physical Sci, Vol. 2 (2) [57] Elekalachi C. I., Nwokoye, A. O. C., Okoli, N. L. and Ezenwa, I. A. Development of Linear Regression Models for Estimation of Global Solar Radiation in Three Cities in South East Geopolitical Zone of Nigeria, Nigerian Journal Of Solar Energy, 30 (1): 79 – 84 (2019). [58] Ezenwa, I. A., Okoli, N. L., Okereke, N. A. and Nnamdi, C. Effect of Complexing Agent on Tin Selenide (SnSe) Thin Films Prepared by Solution Growth Techniques in an Alkaline Bath, Nigerian Journal Of Solar Energy, 30 (1): 58 – 64 (2019).[59] C. C. Onuchukwu, I. A. Ezenwa and N. L. Okoli. Comparative Analysis of Stiffness of Some Commercially Available Timbers in Awka Anambra State, Nigeria Using Cantilever. Asian Basic and Applied Research Journal 6(4): 21-32(2022). [60] E. C. Maduagwu, I. A. Ezenwa, N. S. Umeokwonna, C.C. Ahanotu. Comparative Investigation of the Corrosion Inhibition effects of three Plant Extracts in two Acid Solutions using Electrochemical Impedance Spectroscopy. COOU Jour. of Physical Sci, Vol. 6 (1) 13-25(2023). III. Published Conference Proceedings[61] I. A. Ezenwa and E. E. Ezeobele, Fabrication and Optical Characterization of CdO Thin Films Deposited by Chemical Bath Method, Proceedings of the 1st African International Conference/Workshop on Applications of Nanotechnology to Energy, Health and Environment, UNN, March [62] Okoli N. L. and Ezenwa I. A., Fabrication and Characterization of pH Optimized Copper Zinc Sulphide (CuZnS2) Ternary Thin Films by Chemical Bath Method, Proceedings on 3rd African Conference/Workshop (An International Conference on All Aspects of Nanotechnology), 15-21 July, UNN (2018). [63] Obiechine, F. O., Ezenwa, I. A. and Okeke, C. E., Characterization of the Performance of Photovoltaic (PV) Modules using Solar Meter, Proceedings on 3rd African Conference/Workshop (An International Conference on All Aspects of Nanotechnology) 15-21 July, UNN. (2018). [64] Ezenwa I. A. Okoli N. L., Okereke N. A. and Ezenwanne M. O. Deposition and Optical Characterization of NiO Thin Films Fabricated by Chemical Bath Method, Proceedings on 3rd African Conference/Workshop (An International Conference on All Aspects of Nanotechnology) University of Nigeria, Nsukka (2018). IV.Conference papers1. Ezeobele and Ezenwa. I. A., Optical Properties of CdO Thin Film Deposited by Chemical Bath Method, Paper Presented at the International Conference/Workshop on Applications of Nanotechnology for Energy, Environment and Health, University of Nigeria, Nsukka, 23rd - 29th March, 2014.2. Ezenwa I. A., Ezenwaka L. N. and Egwueyenga N., Optical and Structural Characteristics of MgS Thin Film Fabricated by Electrodeposition, Paper Presented at the Interdisciplinary International Conference on the Role Of Postgraduate Studies in Research And Manpower Training For Sustainable National Development, School Of Postgraduate Studies, Anambra State University, Uli, 23rd -25th September, 2014.3. Ezenwa I. A. and Obiechine F. O., Optical Properties of Nickel Oxide Thin Film, Paper Presented at the Interdisciplinary International Conference on the Role Of Postgraduate Studies in Research And Manpower Training For Sustainable National Development, School Of Postgraduate Studies, Anambra State University, Uli, 23rd -25th September, 2014.4. Obiechine, F. O., Ezenwa, I. A. and Okeke, C. E., Characterization of the Performance of Photovoltaic (Pv) Modules using Solar Meter, African International Conference/Workshop on Applications of Nanotechnology to Energy, Health and Environment, UNN, July 4th – 7th , ( 2016).5. Okoli N.L. and Ezenwa I. A., Fabrication and Characterization of pH Optimized Copper Zinc Sulphide (CuZnS) Ternary Thin Films by Chemical Bath Method, African International Conference/Workshop on Applications of Nanotechnology to Energy, Health and Environment, UNN, July 4th – 7th , ( 2016).6. Okoli N.L., Ezenwa I. A. and Elekalachi C. I., Determination of Electrical Properties of Chemically Synthesized Iron Copper Sulphide (FECUS) Thin Films using Four Point Probe Method, International Conference (FAPSCON 2017) on Relevance of Physical Sciences in Industrial Development, COOU, May 4th – 5th, ( 2017).7. Obiechine F. O., Ezenwa I. A. and Okeke C. E., Electrical Characterization at outdoor conditions of Solar Photovoltaic Modules with the aid of a Solar Meter, International Conference (FAPSCON 2017) on Relevance of Physical Sciences in Industrial Development, COOU, May 4th – 5th , ( 2017).8. Ezenwa I. A. Okoli N.L. and Elekalachi C. I., Effect of Annealing Temperature on the Optical Properties of Chemically Deposited Cadmium Doped Copper Oxide (CuO/Cd) Thin Films, UNN - FZJ Maiden Workshop on Exploring Africa's Renewable Energy Resources for Sustainable Development, organized by the Centre for Energy Research and Development and Nano Research Group, University of Nigeria, Nsukka, 31th July – 2nd August, ( 2017).9. Ezenwa I. A. Okoli N. L., Okereke N. A. and Ezenwanne M. O. Deposition and Optical Characterization of NiO Thin Films Fabricated by Chemical Bath Method, Paper Presented at the 3rd African Conference/Workshop (An International Conference on All Aspects of Nanotechnology) University of Nigeria, Nsukka (2018). 10. Elekalachi C. I., Ezenwa I. A., Okereke N. A., Okoli N.L. and Ezirim U. I. Design and Construction of Spin Coater Machine using Arduino for Thin Film Synthesis, paper presented at the 43rd Annual Conference of the Nigerian Institute of Physics held at Nnamdi Azikiwe University, Awka, Anambra State from 21st – 26st September, 2021.V. Books[1] Ezenwa I. A. (2011): Dynamics. In: Fundamentals of Physics I, (I.E Ottih, I. A. Ezenwa, C. I. Elekalachi, L. N. Ezenwaka, C. C. Onuchukwu, N. S. Umeokwonna, Okereke N. A. and U. V. Okpala). Creative Forum Nig. LTD., Onitsha, Anambra state, Nigeria.[2] I. A. Ezenwa, (2015). Introduction to Electromagnetism and Modern Physics for Freshman Undergraduates, Ur Excellency Prints, Awka, Anambra State, Nigeria. [3] Onuchukwu C. C. and Ezenwa I. A. (2015). Fundamentals of Geometric and Physical optics for Undergraduates, Ur Excellency Prints, Awka, Anambra State, Nigeria.[4] Ezenwa I. A. (2016). Introduction to Mechanics and Properties of Matter, Ur Excellency Prints, Awka, Anambra State, Nigeria. [5] Ezenwa I. A. (2016): Current electricity. In: Fundamentals of Physics II, (I.E Ottih, I. A. Ezenwa, C. I. Elekalachi, L. N. Ezenwaka, , C. C. Onuchukwu, N. S. Umeokwonna, Okereke N. A. and U. V. Okpala). Creative Forum Nig. LTD., Onitsha, Anambra state, Nigeria.

Expertise in Subject area ï‚·Sound Research and scholarly abilities ï‚·Sound organizational and Time Management skills ï‚·Excellent Mentoring and Advising abilities ï‚·Excellent teaching and communication skills ï‚·Sound Emotional Intelligence