Zobrazeno 1 - 10
of 31
pro vyhledávání: '"J.M. Ngaruiya"'
Publikováno v:
Materials Chemistry and Physics. 233:263-266
Metallic nanoparticles exhibit localized surface plasmon resonances resulting from the coherent oscillation of free electrons in response to electric field from incident electromagnetic radiation. In this work, the dependence of peak surface plasmon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da4e23df59a0e3f60754926f91230709
https://doi.org/10.1016/j.matchemphys.2019.05.077
https://doi.org/10.1016/j.matchemphys.2019.05.077
Publikováno v:
SSRN Electronic Journal.
We report on a simple and robust analysis of the energy band gap and crystal size of anatase TiO2 thin films on doped Fluorine Tin Oxide (SnO2:F) prepared using sol-gel Doctor-blade method. The films had been annealed at rates of 1°C/Min, 2°C/Min,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::240a5a9e7098e35f4ac8149868c717c2
https://doi.org/10.2139/ssrn.3819728
https://doi.org/10.2139/ssrn.3819728
Publikováno v:
American Journal of Nanosciences. 7:28
Increase in world population has led to more energy demand. Therefore, there is need for utilization of green and renewable energy. Dye sensitized solar cells (DSSCs) based on TiO2 have attracted a lot of attention as an alternative source as compare
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::315cfb8cfa0cd614481159dda140833e
https://doi.org/10.11648/j.ajn.20210701.15
https://doi.org/10.11648/j.ajn.20210701.15
Publikováno v:
International Journal of Innovative Research in Science, Engineering and Technology. 4:12251-12258
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d2e382b2acb7bc185db35df1d608a06
https://doi.org/10.15680/ijirset.2015.0412106
https://doi.org/10.15680/ijirset.2015.0412106
Autor:
Simon W. Mugo, J.M. Ngaruiya, Nelson S. Timonah, Paul K. Ngumbi, Katumo Ngei, Benjamin M. John
Publikováno v:
International Journal of Innovative Research in Science, Engineering and Technology. 4:10459-10469
Practical application of graphene require accurate determination of the number of layers. In this paper we demonstrate a reliable and efficient approach for determining the number of graphene layers. Plots of contrast spectra against number of graphe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c079d920bfd88c556168ffea85a50cf3
https://doi.org/10.15680/ijirset.2015.0411008
https://doi.org/10.15680/ijirset.2015.0411008
Publikováno v:
Renewable Energy. 63:18-22
Wind energy can be used to enhance access to affordable energy to the rural poor owing to its cost effectiveness, enormity of availability and non-polluting nature. Kenya is however yet to embrace this technology due to non-availability of the resour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81af5a55b705a3f05ab13ffb16662b26
https://doi.org/10.1016/j.renene.2013.08.042
https://doi.org/10.1016/j.renene.2013.08.042
Publikováno v:
Physica B: Condensed Matter. 404:4406-4410
Terbium (1 mol%) doped ZnO–SiO 2 binary system was prepared by a sol–gel process. Nanoscopic effects of ZnO on the photoluminescence (PL) and the cathodoluminescence (CL) properties were studied. Defects emission from ZnO nanoparticles was measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f44553c2161fbefe8e894137bdc013a
https://doi.org/10.1016/j.physb.2009.09.045
https://doi.org/10.1016/j.physb.2009.09.045
Autor:
J.M. Ngaruiya, K.T. Hillie, Odireleng M. Ntwaeaborwa, Jacobus J. Terblans, Johannes R. Botha, Hendrik C. Swart, Mokhotjwa Simon Dhlamini
Publikováno v:
Journal of Luminescence. 128:1997-2003
Thin films of lead sulfide (PbS) nanoparticles embedded in an amorphous silica (SiO 2 ) host were grown on Si(1 0 0) substrates at different temperatures by the pulsed laser deposition (PLD) technique. Surface morphology and photoluminescence (PL) pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1885fba92ab956e49828dc8763d515a0
https://doi.org/10.1016/j.jlumin.2008.06.016
https://doi.org/10.1016/j.jlumin.2008.06.016
Autor:
Selvaraj Venkataraj, J.M. Ngaruiya, Daniel Severin, Oliver Kappertz, S. H. Mohamed, Matthias Wuttig
Publikováno v:
Thin Solid Films. 502:228-234
Thin films of several transition metal oxynitrides such as titanium, zirconium, hafnium, niobium and tantalum oxynitride have been produced at room temperature by direct current reactive magnetron sputtering. These films were characterized by a varie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::363044c9ce08f36d97ed8fb98813f6f4
https://doi.org/10.1016/j.tsf.2005.07.280
https://doi.org/10.1016/j.tsf.2005.07.280
Publikováno v:
Thin Solid Films. 484:64-67
In sputter deposition, growth rate and total pressure are connected by the Keller–Simmons relation. Upon deposition of thin zinc oxide films in an argon–oxygen atmosphere, we have observed a deviation from the expected behavior. In this report, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::652e58c383d998cd3deed784e7354305
https://doi.org/10.1016/j.tsf.2005.02.030
https://doi.org/10.1016/j.tsf.2005.02.030