Maseno University Repository: Recent submissions
Now showing items 1581-1600 of 5713
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Probing the stoichiometry dependent catalytic activity of nickel selenide counter electrodes in the redox reaction of iodide/triiodide electrolyte in dye sensitized solar cells
(Royal Society of Chemistry, 2020)Nickel selenide (NixSey) systems have received much attention in recent years as potential low cost counter electrodes (CEs) in dye sensitized solar cells (DSSCs). Their electrocatalytic activities are comparable to ... -
Annealing efect on the structural and optical behavior of ZnO:Eu3+ thin flm grown using RF magnetron sputtering technique and application to dye sensitized solar cells
(Nature Publishing Group, 2020)Eu-doped ZnO (ZnO:Eu3+) thin flms deposited by RF magnetron sputtering have been investigated to establish the efect of annealing on the red photoluminescence. PL spectra analysis reveal a correlation between the ... -
The effect of temperature and time on the properties of 2D Cs 2 ZnBr 4 perovskite nanocrystals and their application in a Schottky barrier device
(Royal Society of Chemistry, 2021)2D hybrid perovskites are promising materials for solar cell applications, in particular, cesium-based perovskite nanocrystals as they offer the stability that is absent in organic–inorganic perovskites. However, the most ... -
Comparative Investigation of Fullerene PC 71 BM and Non-fullerene ITIC-Th Acceptors Blended With P3HT or PBDB-T Donor Polymers for PV Applications
(Frontiers, 2021)Fundamentally, organic solar cells (OSCs) with a bulk-heterojunction active layer are made of at least two electronically dissimilar molecules, in which photoabsorption in one (donor) generates Frenkel excitons. The ... -
Enhancing climate action at grassroots levels in least developed countries: unlocking bio-briquetting opportunities for communities in Wajir, Vihiga, Kitui, and Kajiado counties in Kenya
(Inderscience Publishers (IEL), 2021)Grassroots communities are often the hardest hit by climate change. They also appreciably contribute to the problem through activities like deforestation, land use changes, and cooking with firewood. Bio-briquettes from ... -
Evaluating the effect of the substrate on the electrocatalytic performance of Cu2ZnSnS4 and Cu2ZnSnSe4 counter electrodes in dye-sensitized solar cells
(Elsevier, 2022)The colloidal synthesis of Cu2ZnSnS4 (CZTS) and Cu2ZnSnSe4 (CZTSe) nanoparticles and their application as counter electrodes in dye-sensitized solar cells (DSSCs). In particular, the effect of three substrates namely; ... -
Microstructural and elastic properties of stable aluminium-rich TiAl and TiAl2 formed phase Intermetallics
(North-Holland, 2021)We studied aluminium-rich Ti-Al (Ti32Al68 and Ti40Al60) binary alloys that were composed of TiAl and TiAl2 lamellar microstructures. The law of mixtures was employed in calculating the theoretical Young’s moduli. The ... -
Food Environment in and around Primary School Children’s Schools and Neighborhoods in Two Urban Settings in Kenya
(Multidisciplinary Digital Publishing Institute, 2021)Abstract: We conducted a cross-sectional study to provide an overview primary school children food environment in two urban settings in Kenya. Six schools, catering to children from low-, medium- and high-income households ... -
Association Between Primary School Students’ Unhealthful Behaviors and Overweight/Obesity: A Cross-Sectional Analysis in Urban Kenya
(Research Square, 2021): Although obesity prevalence is known to be rising in East Africa, research on childhood obesity is still minimal. We conducted a cross-sectional study to examine the prevalence of unhealthful dietary patterns, physical ... -
Agricultural Production, Traditional Foods and Household Food Insecurity in Rural Kenya: Practice, Perception and Predictors
(Taylor & Francis, 2021)lthough rural households in Kenya rely on agricultural production for their livelihood, attaining food security is challenging in areas experiencing harsh agro-ecological conditions. We utilized mixed methods research ... -
Association between Primary School Children’s Unhealthful Behaviors and Overweight/Obesity: A Cross-Sectional Analysis in Urban Kenya
(Research gate, 2022)We examined patterns of unhealthful dietary, PA and sleep behaviors among primary school children of different socio-economic status (SES) in two urban settings in Kenya and explored the association between these behaviors ... -
Likely Effect of Gender and Education on Information Adoption and Utilization among Sugarcane Farmers in the Nyanza Region, Kenya
(Conscientia Beam, 2020)A lack of education and training is what limits the adoption of technology and, hence, development by small scale farmers. Controversy reigns on whether women are less or more likely to adopt and utilize agricultural ... -
Does Performance Contracting Drive Citizen-centric Service Delivery: The Case of Huduma Centers’ in Kenya
(The International Journal of Business & Management, 2020)Public service delivery is a concept that has attracted a lot of interest in the discourse on performance management. Citizen-centric service delivery which assures that services reach individuals is however a concept ... -
Nutritional composition, in vitro gas production and in sacco degradability of processed Croton megalocarpus nuts for ruminant feeding
(Online Journal of Animal and Feed Research, 2021)This study was conducted to evaluate the effects of processed croton nut on chemical composition, in vitro gas production and in sacco degradability. Four forms of croton nut namely: whole nut (WN), peeled nut (PN), ... -
Role of women enterprise fund on improving food security of women in Karapul sub location, Siaya sub county, Kenya
(International Journal of Gender Studies, 2021)Purpose: The purpose of this study was to examine the role of WEF on food security of women in Karapul Sub-location of Siaya Sub-County. Materials and Methods: The study was guided by the Capability theory by Amartya Sen ... -
Influence of Kenyan sign language on syntactical patterns of written English in primary schools for the deaf in Kenya
(Open Access Publishing Group, 2020)Performance of English in KCPE examination by learners who are deaf has shown a trend of low scores as compared to their hearing counterparts in Nakuru Region. For four consecutive years; 2010, 2011, 2012 & 2013 English ... -
International Journal of Disaster Response and Emergency Management
(International Journal of Disaster Response and Emergency Management, 2020)This paper explores how PWD's well-being is realized in disaster situations in Kisumu County of Kenya. There is a significant population of 15,760 persons with disability across Kisumu County. Their well-being is protected ... -
Edible Insects as New Food Frontier in the Hospitality Industry
(Frontiers, 2021)Entomophagy has led to the recognition of insects as playing a major role in improving global environmental health, food, and nutritional security. The processing methods have shown to greatly affect its acceptance and ... -
African women's theology and the re-imagining of community in Africa
(AOSIS Publishing, 2021)African women’s theology has a commitment to the emancipation of women covering the several themes such as ecclesiology, hospitality, community, spirituality, sacrifice, ecology and missiology. African women’s theology ... -
Eschatological Prophecies before and during Covid-19: Female Pentecostal-Charismatic Preachers Self-Legitimation through Prophecy in Kenya
(Pharos Journal of Theology, 2021)The paradoxical liberating but limiting impact of Pentecostal Christianity on women is wellknown (Attanasi, 2013; Brusco, 2010). Female Pentecostal-Charismatic (PC) preachers are asserting themselves in Africa. However, ...