Search Results - "Forbes, Roy P"

The Behavior of Carbon Dots in Catalytic Reactions by Lerato L. Mokoloko, Roy P. Forbes, Neil J. Coville

“…Since their discovery in 2004, carbon dots (CDs), with particle sizes < 10 nm, have found use in various applications, mainly based on the material’s…”
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The Transformation of 0-D Carbon Dots into 1-, 2- and 3-D Carbon Allotropes: A Minireview by Mokoloko, Lerato L, Forbes, Roy P, Coville, Neil J

“…Carbon dots (CDs) represent a relatively new type of carbon allotrope with a 0-D structure and with nanoparticle sizes < 10 nm. A large number of research…”
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Defect-Engineered β‑MnO2−δ Precursors Control the Structure–Property Relationships in High-Voltage Spinel LiMn1.5Ni0.5O4−δ by Haruna, Aderemi B, Mwonga, Patrick, Barrett, Dean, Rodella, Cristiane B, Forbes, Roy P, Venter, Andrew, Sentsho, Zeldah, Fletcher, Philip J, Marken, Frank, Ozoemena, Kenneth I

“…This study examines the role of defects in structure–property relationships in spinel LiMn1.5Ni0.5O4 (LMNO) cathode materials, especially in terms of Mn3+…”
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Platinum Nanocatalysts Supported on Defective Hollow Carbon Spheres: Oxygen Reduction Reaction Durability Studies by Mashindi, Victor, Mente, Pumza, Phaahlamohlaka, Tumelo N, Mpofu, Nobuhle, Makgae, Ofentse A, Moreno, Beatriz D, Barrett, Dean H, Forbes, Roy P, Levecque, Pieter B, Ozoemena, Kenneth I, Coville, Neil J

“…The durability and long-term applicability of catalysts are critical parameters for the commercialization and adoption of fuel cells. Even though a few studies…”
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Oxidation of Benzyl Alcohol Using Cobalt Oxide Supported Inside and Outside Hollow Carbon Spheres by Mente, Pumza, Mashindi, Victor, Phaahlamohlaka, Tumelo N., Monyatsi, Thabo N., Forbes, Roy P., Coville, Neil J.

“…Cobalt oxide nanoparticles (6 nm) supported both inside and outside of hollow carbon spheres (HCSs) were synthesized by using two different polymer templates…”
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Performance of a NiFe2O4@Co Core–Shell Fischer–Tropsch Catalyst: Effect of Low Temperature Reduction by Govender, Alisa, Olivier, Ezra J, Haigh, Sarah J, Kelly, Daniel, Smith, Matthew, van Rensburg, Hendrik, Forbes, Roy P, van Steen, Eric

“…In situ TEM gas-cell imaging and spectroscopy with in situ XRD have been applied to reveal morphological changes in NiFe2O4@Co3O4 core–shell nanoparticles in…”
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Osmium@hollow Carbon Spheres as Fischer–Tropsch Synthesis Catalysts by Molefe, Tshepo, Forbes, Roy P., Coville, Neil J.

“…Little attention has been given to the use of osmium (Os) as a catalyst or promoter for the Fischer Tropsch synthesis (FTS). Reports indicate that Os primarily…”
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Covalent-Assisted Supramolecular Synthesis: Masking of Amides in Co-Crystal Synthesis using Benzophenone Derivatives by Smith, Mark G, Forbes, Roy P, Lemmerer, Andreas

“…Control over hydrogen bonding patterns and the dimensionality of supramolecular structures is possible through covalent-assisted supramolecular synthesis…”
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From 0D to 2D: N-doped carbon nanosheets for detection of alcohol-based chemical vapours by Mokoloko, Lerato L, Matsoso, Joyce B, Antonatos, Nikolas, Mazánek, Vlastimil, Moreno, Beatriz D, Forbes, Roy P, Barrett, Dean H, Sofer, Zden k, Coville, Neil J

“…The application of N-doped carbon nanosheets, with and without embedded carbon dots, as active materials for the room temperature chemoresistive detection of…”
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Vapour phase hydrogenation of cinnamaldehyde using cobalt supported inside and outside hollow carbon spheres by Mente, Pumza, Mashindi, Victor, Magubane, Alice, Phaahlamohlaka, Tumelo N, Gangatharan, Prakash M, Forbes, Roy P, Coville, Neil J

“…The hydrogenation of cinnamaldehyde is usually performed in the liquid phase in batch mode. In this study, a vapour phase flow system has been used to evaluate…”
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Effect of Alumina Modification on the Reducibility of Co3O4 Crystallites Studied on Inverse-Model Catalysts by Petersen, Anna P., Forbes, Roy P., Govender, Sandeeran, Kooyman, Patricia J., van Steen, Eric

“…In order to establish the effect of alumina modification and calcination temperature on the reducibility of cobalt oxide, alumina-modified cobalt oxide…”
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The simultaneous synthesis of carbon dots and carbon spheres with tunable sizes using a vertical chemical vapour deposition method by Mokoloko, Lerato L., Forbes, Roy P., Coville, Neil J.

“…Herein we report on the direct synthesis of solid hydrophobic carbon dots (CDs) and simultaneously carbon spheres (CSs), using a vertical chemical vapour…”
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Synthesis and characterization of NiFe2O4@Co3O4 core-shell nanoparticles by Govender, Alisa, Barnard, Werner, Olivier, Ezra J., Forbes, Roy P., van Steen, Eric, Neethling, Johannes H.

“…Premade nickel ferrite (NiFe2O4) nanoparticles were used as a core around which cobalt (II, III) oxide (Co3O4) was grown. In an attempt to vary the shell…”
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Evolution of large-area reduced graphene oxide nanosheets from carbon dots via thermal treatment by Mokoloko, Lerato L, Matsoso, Boitumelo J, Forbes, Roy P., Barrett, Dean H., Moreno, Beatriz D., Coville, Neil J.

“…•Reduced graphene oxide has been made from carbon dots.•The reaction occurs at temperatures > 300 °C.•The layered products have been fully characterised.•A…”
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Performance of a NiFe 2 O 4 @Co Core-Shell Fischer-Tropsch Catalyst: Effect of Low Temperature Reduction by Govender, Alisa, Olivier, Ezra J, Haigh, Sarah J, Kelly, Daniel, Smith, Matthew, van Rensburg, Hendrik, Forbes, Roy P, van Steen, Eric

“…In situ TEM gas-cell imaging and spectroscopy with in situ XRD have been applied to reveal morphological changes in NiFe O @Co O core-shell nanoparticles in…”
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Synthesis of C60-containing Polymers by Ring-opening Metathesis Co-polymerization of a C60-cyclopentadiene Cycloadduct and N-(cycloheptyl)-endo-norbornene-5,6-dicarboximide and their Application in a Photovoltaic Device by Mamo, Messai A., Freitas, Flavio S., Forbes, Roy P., Black, Robert S., Nogueira, Ana F., van Otterlo, Willem A. L., Coville, Neil J.

“…A C 60 -cyclopentadiene cycloadduct and N-(cycloheptyl)-endo-norbornene-5,6-dicarboximide were utilized as co-monomers in ring-opening metathesis…”
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Tris(tert-butyl isocyanide)bis[tris(4-methoxyphenyl)phosphine]cobalt(I) perchlorate dichloromethane disolvate and tris(tert-butyl isocyanide)bis[tris(4-methoxyphenyl)phosphine]cobalt(II) bis(perchlorate) dichloromethane disolvate: modification of a trigonal-bipyramidal structure with change of metal oxidation state by Becker, Clifford A. L., Black, Robert S., Forbes, Roy P.

“…The title complexes, [Co(C5H9N)3(C21H21O3P)2]ClO4·2CH2Cl2, (I), and [Co(C5H9N)3(C21H21O3P)2](ClO4)2·2CH2Cl2, (II), respectively, crystallize in the hexagonal…”
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Diaquatetrakis(tert-butyl isocyanide)cobalt(II) bis(perchlorate): an example of cobalt(II) coordinated by only four alkyl isocyanide ligands by Becker, Clifford A. L., Forbes, Roy P., Black, Robert S.

“…The title compound, [Co(C5H9N)4(H2O)2](ClO4)2, crystallizes in the monoclinic space group C2/m. The cation has space‐group‐imposed 2/m symmetry, while the…”
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Fischer-Tropsch synthesis: Platinum promoted Co@HCS catalysts by Molefe, Tshepo, Masilo-Kumi, Joy, Forbes, Roy P., Coville, Neil J.

“…Hollow carbon sphere (HCS) nanoreactors were used as a catalyst support for Co, with Pt as a promoter. The hollow morphology of the HCSs nanoreactor was…”
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Role of CoO-Co nanoparticles supported on SiO2 in Fischer-Tropsch synthesis: Evidence for enhanced CO dissociation and olefin hydrogenation by Shiba, Nothando C., Yao, Yali, Forbes, Roy P., Okoye-Chine, Chike G., Liu, Xinying, Hildebrandt, Diane

“…The role of mixed CoO-Co nanoparticles dispersed on a SiO2 support for the Fischer-Tropsch synthesis (FTS) has been evaluated. The multiphase CoO-Co/SiO2…”
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