Browsing by Author "Ojo, O. A."
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Item Potential of producing solar grade silicon nanoparticles from selected agro-wastes: A review(Elsevier, 2016-12-01) Adebisi, Jeleel Adekunle; Agunsoye, J. O.; Bello, Sefiu A.; Ahmed, Ismaila Idowu; Ojo, O. A.; Hassan, S. BolajiThe U.S. Energy Information Administration (EIA) stated that Nigeria generates around 3080MWof electricity but with actual estimated demand of 10,000 MW. Due to the low electricity generation, total energy consumption profile of Nigeria showed that about 99% of the energy consumed is derived from fossil fuels which invariably contribute to greenhouse gases emission. Electricity, if readily available at low cost, can easily replace the fossil fuels which pose adverse effect on the citizen and climate. Solar photovoltaic is identified as an effective renewable energy source that has proven to be a promising candidate for provision of clean and sustainable electricity. Silicon is the leading commercialized terrestrial PV material for making solar cell due to its relative efficiency. This review work highlights the viability of using abundant agricultural wastes in Nigeria to produce nano-sized solar grade silicon employing methods that will require less energy. Details of previous silicon (nanoparticles) synthesized from agricultural wastes are dissected. Production of silicon nanoparticles from this origin could provide low cost solar grade silicon compared with high temperature robust methods currently been used to obtain them. Hence various methods of producing nanoparticles are highlighted.Item Potential of producing solar grade silicon nanoparticles from selected agro-wastes: A review(Elsevier, 2017) Adebisi, J. A.; Agunsoye, J. O.; Bello, S. A.; Ahmed, I. I.; Ojo, O. A.; Hassan, S. B.The U.S. Energy Information Administration (EIA) stated that Nigeria generates around 3080MW of electricity but with actual estimated demand of 10,000 MW. Due to the low electricity generation, total energy consumption profile of Nigeria showed that about 99% of the energy consumed is derived from fossil fuels which invariably contribute to greenhouse gases emission. Electricity, if readily available at low cost, can easily replace the fossil fuels which pose adverse effect on the citizen and climate. Solar photovoltaic is identified as an effective renewable energy source that has proven to be a promising candidate for provision of clean and sustainable electricity. Silicon is the leading commercialized terrestrial PV material for making solar cell due to its relative efficiency. This review work highlights the viability of using abundant agricultural wastes in Nigeria to produce nano-sized solar grade silicon employing methods that will require less energy. Details of previous silicon (nanoparticles) synthesized from agricultural wastes are dissected. Production of silicon nanoparticles from this origin could provide low cost solar grade silicon compared with high temperature robust methods currently been used to obtain them. Hence various methods of producing nanoparticles are highlighted.Item The impact of policy implementation on Nigeria educational system(Journal of Curriculum and Instruction, by Department of Social Science ScienceEducation, Ilorin, 2022) Oluwalola, Felicia Kikelomo; Olaoluwa, A. A.; Ojo, O. A.The paper focused on policy implementation in the Nigerian Educational system. It looked into the discussion of Nigeria’s educational policies ranging from pre-colonial, colonial to post colonial and recent times. Epochs in educational system and policy implementations had witnessed series of improvements which had its reflections in our contemporary time. However, the paper examined the pitfalls that bedeviled the growth and development of Nigeria’s educational sector, the adverse effects on facilitator/teachers, graduates and students in various educational cadres. Hence, the impact of implementation and proper monitoring of educational policy revamps ill educational sector which the country currently needs to implement. The paper therefore recommended that series of policies with close monitoring by educationist, ministers and commissioners of education can pave way for academic excellence and educational standards aspired by all. Keywords: Policy, Implementation, Nigerian Educational system