Browsing School of Pure and Applied Sciences by Author "Williams, Avril"
Now showing items 1-7 of 7
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Amplification of the discharge current density of lithium-ion batterieswith spinel phase Li(PtAu)0.02Mn1.98O4nano-materials
Mailu, Stephen N.; Iwuoha, Emmanuel I.; Ikpo, Chinwe O.; Baker, Priscilla; Njomo, Njagi; Masikini, Milua; Matinise, Nolubabalo; Tsegaye, Abebaw; Mayedwa, Noluthando; Waryo, Tesfaye; Ozoemenab, Kenneth I.; Williams, Avril (Elsevier, 2014)In this study the synergistic and catalytic properties of a novel nano-composite cathode material ofnominal composition Li(M)xMn2-xO4(M = Pt-Au; x # 0.2) has been explored. Li(PtAu)xMn2-xO4nano-material for use in lithium-ion ... -
Graphenated tantalum (IV) oxide and poly (4-styrene sulphonic acid)-doped polyaniline nanocomposite as cathode material in an electrochemical capacitor
Njomo, Njagi; Waryo, Tesfaye; Masikini, Milua; Ikpo, Chinwe O; Mailu, Stephen; Tovide, Oluwakemi; Ross, Natasha; Williams, Avril; Matinise, Nolubabalo; Sunday, Christopher E; Mayedwa, Noluthando; Baker, Priscilla GL; Ozoemena, Kenneth I; Iwuoha, Emmanuel I (Pergamon, 2014)Nanostructured poly(4-styrene sulphonic acid) and tantalum (IV) oxide-doped polyaniline nanocomposite were synthesised and their electro-conductive properties were determined. The oxide was synthesized using a modified ... -
Graphenatedtantalum(IV)oxideandpoly(4-styrenesulphonicacid)-dopedpolyanilinenanocompositeascathodematerialinanelectrochemicalcapacito
Njomo, Njagi; Waryo, Tesfaye; Masikini, Milua; Ikpo, ChinweO.; Mailu, Stephen; Tovide, Oluwakemi; Ross, Natasha; Williams, Avril (Pergamon, 2014)Nanostructuredpoly(4-styrenesulphonicacid) and tantalum(IV)oxide-doped polyaniline nano composite were synthesized and their elector-conductive properties were determined.The oxide was synthesized using a modified sol gel ... -
Impedimetric Response of a Label-Free Genosensor Prepared on a 3-Mercaptopropionic Acid Capped Gallium Selenide NanocrystalModified Gold Electrode
Ndangili, Peter M.; Jijana, Abongile N.; Olowu, Rasaq A.; Mailu, Stephen N.; Ngece, Fanelwa R.; Williams, Avril; Waryo, Tesfaye T.; Baker, Priscilla G.L.; Iwuoha, Emmanuel I. (2011)Biocompatible and water soluble 3-mercaptopropionic acid cappedgallium selenide nanocrystals were synthesized from hydrated gallium (III) perchlorate and selenide ions. The nanocrystals were non-fluorescent but ... -
Impedimetry and microscopy of electrosynthetic poly(propylene thiophenoimine)-co-poly(3,4 ethylene dioxythiophene) dendritic star copolymer
Olowu, Rasaq A; Williams, Avril; Ndangili, Peter M.; Ngece, Rachel F; Mailu, Stephen N; Baker, Priscilla; Iwuoha, Emmanuel (2011)The electrochemical impedance spectroscopy of generation 2 poly(propylene thiophenoimine)-co-poly(3,4 ethylene dioxythiophene) dendritic star copolymer (G2PPT-co-PEDOT) film was studied in LiClO4 solution. The results show ... -
Impedimetry and microscopy of electrosyntheticpoly(propylene thiophenoimine)-co-poly(3,4 ethylenedioxythiophene) dendritic star copolymer
Olowu, Rasaq A; Williams, Avril; Ndangili, Peter; Mailu, Stephen; Iwuoha, Emmanuel (International Journal of Electrochemical Science, 2011)The electrochemical impedance spectroscopy of generation 2 poly(propylenethiophenoimine)-co-poly(3,4 ethylene dioxythiophene) dendritic star copolymer(G2PPT-co-PEDOT) film was studied in LiClO4solution. The results show ... -
A silver Nanoparticle/Poly (8-Anilino-1-Naphthalene Sulphonic Acid) Bioelectrochemical Biosensor System for the Analytical Determination of Ethambutol
Ngece, Rachel F; West, Natasha; Ndangili, Peter M; Olowu, Rasaq A; Williams, Avril; Hendricks, Nicolette; Mailu, Stephen N.; Baker, Priscilla; Emmanuel, Iwuoha (2011)Ethambutol (2S, 2′S)-2, 2′-(ethane-1, 2-diyldiimino) dibutan-1-ol) is a first-line antitubercular drug effective against actively growing Mycobacterium tuberculosis. Resistance of the mycobacterium to ethambutol among ...