Chepngetich, Naomy; Mumbi, Gloria M.; Meheretu, Getnet M.; Richard, Koech K.; Yegon, Geoffrey K.; Chepkwony, Sarah C.; Rono, Charles K.; Sanni, Dahiru; Bello, Abdulhakeem; Ntsoenzok, Esidor(Energy Advances, 2024-03-11)
Perovskite solar cells (PSCs) are promising photovoltaic systems that hold the capacity to bring about a paradigm shift within the field of renewable energy. They possess exceptional photophysical properties, and their ...
Effah, Emmanuel; Thiare, Ousmane; Wyglinski, Alexander M.(IoT, 2023-07-27)
This paper presents an in-depth contextualized tutorial on Agricultural IoT (Agri-IoT), covering the fundamental concepts, assessment of routing architectures and protocols, and performance optimization techniques via a ...
Mozambique is an agricultural country. However, it faces numerous challenges to feed the population and reduce poverty. Recently, the situation is being worsened by high environmental, social vulnerability and extreme ...
Surfactant flooding has suffered a huge setback owing to its cost and the ecotoxic nature of synthetic surfactants. The potential of natural surfactants for enhanced oil recovery has attracted a great deal of research ...
A Zintl-phased K3Ag3As2 ternary compound previously not studied using ab initio techniques was analysed for its structural, electronic, mechanical, elastic, and optical properties using LDA-PZ, GGA-EV, GGA-PBE, GGA-PBESol, ...
Wafula, Samuel; Nyongesa, Francis(Results in Materials, 2023-10-07)
In this study, Zintl phased tetrapotassium diarsenidozincate K4ZnAs2 semiconductor compound was analysed using ab initio methods for structural, electronic, mechanical, elastic, and optical properties using six exchange ...
Tandem solar cells (TSCs) have gained notoriety by the use of various absorber layers with different bandgaps. The photovoltaic characteristics of Cs1-xRbxSnI3 perovskite – silicon TSCs were determined through simulation ...
A novel Cs2ScAgI6 double perovskite semiconductor material has been investigated on electronic, mechanical, elastic and optical properties using the plane wave self-consistent field method by using generalised gradient ...
Open sun drying is the conventional approach used in the majority of developing countries to dry agricultural products. However, this method exposes agricultural products to a number of hazards, including microbial ...
Obuebite, Amalate Ann; Eke, William Iheanyi; Victor-Oji, Cynthia; Una, Dominica Christopher(Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2023-05-02)
Biomass-based recovery agents are fast becoming an innovative, novel solution to the increasing need for eco-friendly, cost-effective chemical agents as the need to cut production cost becomes imperative. Recent studies ...
Suleiman, Salum Abdulkarim; Pogrebnoi, Alexander; Kivevele, Thomas T.(International Journal of Photoenergy, 2023-05-16)
In the present study, a solar-assisted heat pump dryer (SAHPD) has been designed, fabricated, and tested its performance on drying tobacco leaves. The hot air generated from the solar collector and condenser unit of the ...
The structural electronic, elastic, mechanical and optical properties of the ternary compounds K4ZnP2 and K4CdP2 have been studied by means of density functional theory (DFT) using the plane waves method. The generalized ...
Mbilo, Mwende; Musembi, Robinson(Advances in Materials Science and Engineering, 2022-09-20)
Efficient materials with good optoelectronic properties are required for the good performance of photovoltaic devices. In this work, we present findings of a theoretical investigation of the structural, electronic, elastic, ...
Mbilo, Mwende; Musembi, Robinson(Journal of the Korean Ceramic Society, 2022-11-10)
Ternary semiconductor materials are attractive compounds for optoelectronic and photovoltaic applications due to their valuable properties. A key challenge in photovoltaics is to develop alternative materials with good ...
Ondieki, J.O.; Mito, C.O.; Kaniu, M.I.(International Journal of Applied Earth Observation and Geoinformation, 2022-02-02)
This study investigates the utility of using remote sensing and geographic information system techniques to accurately infer the presence of radioactive minerals in a typical high background radiation area (HBRA) by analyzing ...
Beekeeping in Africa has been practiced for many years through successive generations and along inherited patterns. Beekeepers continue to face challenges in accessing consistent and business-driven markets for their bee ...
There is a great need for improved monitoring of the numerous lakes in East Africa. These lakes are important resources that are facing serious threats from climate change and human development and exploitation. A new ...
The use of natural alternatives as oilfield chemicals is gradually gaining attention among researchers due to their eco-friendly nature. The aim of this study was to determine the efficiency of red onion skin extract (ROSE) ...
B. T. Loemba, Aldé; Kichonge, Baraka; Kivevele, Thomas(Energy Science & Engineering, 2022-11-06)
Fruits and vegetables are agricultural products that require preservation to enhance and protect shelf life, encapsulate natural flavour, and retain nutritional content. Globally, agricultural products are preserved by a ...
Tin (Sn) is a promising substitute for lead (Pb) in organic–inorganic hybrid halide perovskite-photovoltaic devices, but it is prone to delivering low power conversion efficiencies (PCEs) due to the poor quality of ...