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 ...
First-principles calculations of the structural, electronic, elastic, mechanical, and optical properties of the K2NiP2 ternary compound using density functional theory as implemented in the quantum espresso package have ...
Mbilo, Mwende; S. Manyali, George; J. Musembi, Robinson(Computational Condensed Matter, 2022-07-29)
Search for efficient materials for application in the fields of optoelectronics and photovoltaics are some of the most active areas of research across the world. The potential of compounds such as K3Cu3P2 is not yet fully ...
Mbilo, Mwende; Musembi, Robinson; Rai, D. P.(Indian Journal of Physics, 2022-12-14)
In this work, the structural, electronic, elastic, and optical properties of X3Sb2Au3 (X = K, Rb) ternary compounds have been investigated using the density-functional theory method as implemented in the quantum espresso ...
.M Namisi, Mauwa; J. Musembi, Robinson; M. Mulwa, Winfred; O. Aduda, Bernard(Computational Condensed Matter, 2022-11-24)
The study of suitable compounds for photovoltaic applications is one of the most fascinating research areas in the world. One of the less studied materials is KGeCl3 and its potential is yet to be fully determined. ...
A. Owino, Lilian; Waita, Sebastian; J. Musembi, Robinson; W. Nyongesa, Francis(Tanzania Journal of Science, 2022-03)
TiO2, a semiconducting material with a wide energy band gap, has been researched intensively due to its interesting properties and many potential applications. The films properties can as well be modified by preparing the ...
The influence of the pH of anthocyanins on photovoltaic performance in dye-sensitized solar cells has been investigated. Anthocyanins were extracted from crushed leaf stocks of Manihot esculenta Crantz (Cassava plant) using ...