The focus of this research is to improve upon the bio-semiconductor technology by considering the use of plant extracts and metallic dopant. The plant was Thaumatococcus daniellii and it was extracted using three different solutions i.e. methanol, ethanol and butanol to form sample 1, sample 2 and sample 3, respectively. The plant extract was doped with aluminium under room temperature and pressure. The samples were characterized using UV-Vis spectrometry. It was observed that the chemical reaction of the oxide layer growth pattern varied significantly in all samples considered. Hence, the more stable the growth of the oxide layer, the more d-d transitions expected. These results are also unconnected to the inherent chemical components of Thaumatococcus daniellii that allows for the quick release of pelectrons to the aluminium atom. The band gap of sample 1, sample 2, and sample 3 was calculated as 1.6 eV, 2 eV and 2 eV respectively. There were 3 d-d transitions in the ethanol extract at wavelength k = 612 nm, k = 485 nm & k = 460 nm while there 4 d-d transitions in butanol extract.
The peculiar location of West Africa on the World map suggests that the region is prone to be under severe atmospheric influences from other regions. With a population of over 300 million people, the human activity and its corresponding impact on the climate system of the region is worth noting. The meteorological exploration of funded projects like AERONET, AMMA, DACCIWA etc. in West Africa shows the peculiarity of the danger that life-forms in West Africa might be facing in the next two decades. The documentation of salient discoveries over the West Africa Monsoon and whose challenges may be the possible answers to questions on the West Africa climate system. A re-view on the satellite exploration within 2002-2006 shows the anomalies which require intense concern by all and sundry.
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