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Now showing items 41-50 of 179
Ab-initio Studies of point defects in TiO2: A density functional approach
(University of Nairobi, 29-11-13)
Deposition and Characterization of CuAlxBx Se2 Thin Film Deposited by DC-RF Co-sputtering for PhotovoItaic Application
(2012)
Solar cell has the potential of being the m am drive to economic prosperity as it is one of the mo-t
promising sources of cheap, environmentally friendly and renewable energy. Crystalline silicon based
technology currently ...
Effects of Target Composition on the Optical Constants of uC Sputtered ZnO:AI Thin Films
(2012)
AI-doped lJlO thin films were deposited from lnO:AI ceramic and Zn.Al meial alloy targets, Deposition
took place in Ar and Ar + O2 atmosphere for lnOAI and ZnAl targets: respectively, using DC
magnetron sputtering. ...
Fabrication and Cha r actcrization of Aluminum and Gallium Morroand Co-doped Zinc Oxide Thin Films by Radio Frequency Sputtering For photovoltaic Applications
(28-04-14)
There is need to provide low resistivity ZnO transparent conducting thin films by radio frequency (rf)
magnetron spunering technique for commercial photovoltaic applications. Rf magnetron spunering
technique has comparative ...
A conceptual framework for designing mHealth solutions for developing countries
(University of Nairobi, 2013)
Though mHealth is still at its formative stages, it is undeniably the next big thing in addressing healthcare challenges being experienced in developing countries. However, the complexity of implementing mHealth to address ...
Enhancing The Capacity Of Kenya On Climate Risk Reduction And Climate Change Adaptation For Sustainable Agricultural Productivity And Food Security.
(University of Nairobi, 24-09-10)
Most vulnerable groups in countries in Sub Saharan Africa including Kenya are the poor who have least capacity for coping with the adverse impacts of the current climate extremes, and adapting to future climate changes. ...
GPS Observations of Plasma Bubbles and Scintillations over Equatorial Africa
(University of Nairobi, 2010-12)
Sponsored in part by the International Heliophysical Year (IHY) program, Boston College, Air Force Research Laboratory (AFRL), and several universities in Africa have collaborated to deploy a network of GPS receivers ...
Supporting Greater Access To Pre- And Post-Natal Information And Services For Women In Rural Kenya
(University of Nairobi, 2011)
We present initial findings of on-going work, which examine pre- and post-natal services available to women in rural Laare, Kenya as well as cell phone appropriation by service providers and consumers as initial steps in ...
Performance of Ti02/In(OH)xSylPb(OH)xSy Composite eta Solar Cell Fa bricated from Nitrogen Doped Ti02 Thin Film Window
(28-04-14)
TiO~ th in lilills were doped with nitrogen (N2) gas and the presence of nitrogen atoms was confirmed in
the films hv Energy dispersive x-ray (EDX) spectrum analysis. Undoped TiO: thin films had an energy
band gap of ...