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Browsing by Subject "Nanotubes"

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Application of TiO2 nanotubes in dye-sensitised solar cells for improved charge transport

Author: Cummings, F Date: Sep 2010 A major breakthrough in reduction of cost of photovoltaics was realised in 1991, with the first report of a functioning photoelectrochemical cell. This resulted in heightened interest from the industry and science community. This presentation ... Read more
Development, characterization, and in vitro evaluation of water soluble poloxamer/pluronic-mastic gum-gum acacia-based wound dressing

Author: Buyana, B ; Aderibigbe, BA ; Ray, Suprakash S ; Ndinteh, DT ; Fonkui, YT Date: Nov 2019 Bacterial infections are serious complications associated with wounds. Wounds can become chronic due to bacterial infections. In this research, lyophilized wound dressings were prepared from poloxamer, pluronic, mastic gum, and gum acacia. ... Read more
Electrocatalytic oxidation of diethylaminoethanethiol and hydrazine at single-walled carbon nanotubes modified with prussian blue nanoparticles

Author: Adekunle, AS ; Ozoemena, KI Date: Nov 2010 In this work, edged plane pyrolytic graphite electrode EPPGE was modified with functionalised single-walled carbon nanotubes and Prussian blue nanoparticles (PB). The modified electrode was characterised by techniques such as TEM, FTIR, XPS, ... Read more
Epoxy-based carbon nanotubes reinforced composites

Author: Kesavan Pillai, Sreejarani ; Ray, SS Date: Apr 2011 Epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and cross-links) when mixed with a curing agent or "hardener". Most common epoxy resins are produced from a reaction between epichlorohydrin and bisphenol-A. A ... Read more
Epoxy-based carbon nanotubes reinforced composites

Author: Kesavan Pillai, Sreejarani ; Ray, Suprakas S Date: Apr 2011 Epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and cross-links) when mixed with a curing agent or "hardener". Most common epoxy resins are produced from a reaction between epichlorohydrin and bisphenol-A. A ... Read more
Low-cost transparent solar cells: Potential of TiO2 nanotubes in the improvement of these next generation solar cells

Author: Cummings, F Date: Sep 2010 This paper provides a background to photovoltaics, and goes on to discuss dye-sensitised solar cell research and development at the CSIR. An overview of TiO2 nanotube synthesis is given, followed by the discussing the manufacturing process ... Read more
Ruthenium supported on nitrogen-doped carbon nanotubes for the oxygen reduction reaction in alkaline electrolyte; Poster

Author: Mabena, LF ; Modibedi, Remegia M ; Ray, Suprakas S ; Coville, NJ Date: Jul 2012 The oxygen reduction reaction (ORR) at the cathode of fuel cells plays an important role in controlling the performance of a fuel cell but the poor kinetics of the ORR hinders this performance. Currently platinum-based metals are the best ... Read more
TiO2 nanotube-based dye solar cell research in South Africa

Author: Cummings, F ; Le Roux, Lukas J ; Mutangwa, N ; Knoesen, D Date: Oct 2009 Vertically orientated titanium dioxide (TiO2) nanotubes hold great potential for application in dye-sensitized solar cells (DSCs) as they provide an unscathed, one-dimensional transport route for photo-generated charge carriers, thereby ... Read more
Use of calcination in exposing the entrapped Fe particles from multi-walled carbon nanotubes grown by chemical vapour deposition

Author: Kesavan Pillai, Sreejarani ; Matlhoko, L ; Arendse, C ; Ray, SS ; Moodley, M Date: Mar 2009 Multi-walled carbon nanotubes (MWCNTs) were synthesized by a chemical vapour deposition method. The effect of calcination at temperatures ranging from 300 to 550°C in exposing the metal nanoparticles within the nanotube bundles was studied. ... Read more

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Browsing by Subject "Nanotubes"

Browsing by Subject "Nanotubes"

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