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Stabilization of Pd3−xIn1+x polymorphs with Pd-like crystal structure and their superior performance as catalysts for semi-hydrogenation of alkynes (2019)
Journal Article
Johnston, S. K., Bryant, T. A., Strong, J., Lazzarini, L., Ibhadon, A. O., & Francesconi, M. G. (in press). Stabilization of Pd3−xIn1+x polymorphs with Pd-like crystal structure and their superior performance as catalysts for semi-hydrogenation of alkynes. ChemCatChem, https://doi.org/10.1002/cctc.201900391

Selective hydrogenation (semi-hydrogenation) reactions of alkynes rely on Pd-based catalysts to provide the correct pathway to favour formation of double bonds and avoid full hydrogenation to single bonds. Here, we present the preparation and charact... Read More

Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance (2017)
Journal Article
Johnston, S. K., Cherkasov, N., Perez-Barrado, E., Aho, A., Murzin, D. Y., Ibhadon, A. O., & Francesconi, M. G. (2017). Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance. Applied catalysis. A, General, 544, 40-45. https://doi.org/10.1016/j.apcata.2017.07.005

The two catalysts Pd₃Sn/TiO₂and Pd3Sn/ZnO were prepared via a one-pot procedure based on the “polyol method” with the addition of a capping agent (polyvinylpyrrolidone) to control the particle size distribution. The same procedure was used to prepare... Read More

Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates (2017)
Journal Article
Ibhadon, A. O., Kaur, A., Ibhadon, A., & Kansal, S. K. (2017). Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates. Journal of materials science, 52(9), 5256-5267. https://doi.org/10.1007/s10853-017-0766-6

In this study, Ag-doped ZnO microplates were prepared via precipitation technique and further characterized by FESEM, EDS, XRD, FTIR, TGA, XPS, UV-DRS and RT-PL techniques. The outcomes indicated that Ag+ ions were well incorporated into ZnO lattice... Read More

Low temperature plasma-catalytic NOx synthesis in a packed DBD reactor: effect of support materials and supported active metal oxides (2016)
Journal Article
Patil, B., Cherkasov, N., Lang, J., Ibhadon, A., Hessel, V., & Wang, Q. (2016). Low temperature plasma-catalytic NOx synthesis in a packed DBD reactor: effect of support materials and supported active metal oxides. Applied catalysis. B, Environmental, 194, 123-133. https://doi.org/10.1016/j.apcatb.2016.04.055

The direct synthesis of NOx from N2 and O2 by non-thermal plasma at an atmospheric pressure and low temperature is presented, which is considered to be an attractive option for replacement of the Haber-Bosch process. In this study, the direct synthes... Read More

Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol (2016)
Journal Article
Cherkasov, N., Al-Rawashdeh, M. ’., Ibhadon, A. O., & Rebrov, E. V. (2016). Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol. Catalysis Today, 273, 205-212. https://doi.org/10.1016/j.cattod.2016.03.028

A 2.5 wt.% Pd/ZnO catalytic coating has been deposited onto the inner wall of capillary reactors with a diameter of 0.53 and 1.6 mm. The coatings were characterised by XRD, SEM, TEM and elemental analysis. The performance of catalytic reactors was st... Read More

Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol (2016)
Journal Article
Cherkasov, N., Al-Rawashdeh, M. ’., Ibhadon, A. O., & Rebrov, E. V. (2016). Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol. Catalysis Today, 273, 205-212. https://doi.org/10.1016/j.cattod.2016.03.028

A 2.5 wt.% Pd/ZnO catalytic coating has been deposited onto the inner wall of capillary reactors with a diameter of 0.53 and 1.6 mm. The coatings were characterised by XRD, SEM, TEM and elemental analysis. The performance of catalytic reactors was st... Read More

Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst (2016)
Journal Article
Cherkasov, N., Ibhadon, A. O., & Rebrov, E. V. (2016). Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst. Applied catalysis. A, General, 515, 108-115. https://doi.org/10.1016/j.apcata.2016.01.019

© 2016 Elsevier B.V. All rights reserved. A solvent-free semihydrogenation of 2-methyl-3-butyn-2-ol (MBY) to 2-methyl-3-buten-2-ol was performed in a capillary reactor (10 m long, 0.53 mm i.d.) coated with a titania supported Pd-Bi catalyst. Several... Read More

Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts (2015)
Journal Article
Tripathi, B., Paniwnyk, L., Cherkasov, N., Ibhadon, A. O., Lana Villarreal, T., & Gómez, R. (2015). Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts. Ultrasonics Sonochemistry, 26, 445-451. https://doi.org/10.1016/j.ultsonch.2015.03.006

The selective hydrogenation of 2-methyl-3-butyn-2-ol (MBY) was performed in the presence of Lindlar catalyst, comparing conventional stirring with sonication at different frequencies of 40, 380 and 850 kHz. Under conventional stirring, the reaction r... Read More

Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol (2015)
Journal Article
Cherkasov, N., Ibhadon, A. O., McCue, A. J., Anderson, J. A., & Johnston, S. K. (2015). Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol. Applied catalysis. A, General, 497, 22-30. https://doi.org/10.1016/j.apcata.2015.02.038

The effects of poisoning of Pd catalysts with Bi and annealing in a polyol (ethylene glycol) were studied on the semi-hydrogenation of 2-methyl-3-butyn-2-ol (MBY). An increase in the Pd:Bi ratio from 7 to 1 in the Bi-poisoned catalysts decreased the... Read More

Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors (2015)
Journal Article
Cherkasov, N., Ibhadon, A. O., & Rebrov, E. V. (2015). Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors. Lab on a chip, 15(8), 1952-1960. https://doi.org/10.1039/c4lc01066c

Catalysis in microreactors allows reactions to be performed in a very small volume, reducing the environmental problems and greatly intensifying the processes through easy pressure control and the elimination of heat- and mass-transfer limitations. I... Read More

Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation (2015)
Journal Article
Wu, Z., Cherkasov, N., Cravotto, G., Borretto, E., Ibhadon, A. O., Medlock, J., & Bonrath, W. (2015). Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation. ChemCatChem, 7(6), 952-959. https://doi.org/10.1002/cctc.201402999

The effect of environmentally benign enabling technologies such as ultrasound and microwaves on the preparation of the lead-free Pd catalyst has been studied. A one-pot method of the catalyst preparation using ultrasound-assisted dispersion of pallad... Read More

Heterogeneous photocatalysis: Recent advances and applications (2013)
Journal Article
Ibhadon, A. O., & Fitzpatrick, P. (2013). Heterogeneous photocatalysis: Recent advances and applications. Catalysts open access journal, 3(1), (189-218). doi:10.3390/catal3010189. ISSN 2073-4344

Semiconductor heterogeneous photocatalysis, the subject of this review, is a versatile, low-cost and environmentally benign treatment technology for a host of pollutants. These may be of biological, organic and inorganic in origin within water and ai... Read More

Design and synthesis of polymetallic nanoparticles and their catalytic applications (2010)
Journal Article
Ibhadon, A. O., Yue, Y., & Greenway, G. M. (2011). Design and synthesis of polymetallic nanoparticles and their catalytic applications. Materials letters, 65(4), 602-605. https://doi.org/10.1016/j.matlet.2010.11.011

High-temperature hydrogen reduction reactions enable the synthesis and processing of binary metal oxide composite nanoparticles starting from titanium, ruthenium, and silicon, while the use of a surface modifier and an organic surfactant enables the... Read More

Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments (2010)
Journal Article
Ibbotson, J., & Ibhadon, A. O. (2010). Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments. Marine pollution bulletin, 60(7), (1136-1141). doi:10.1016/j.marpolbul.2010.03.024. ISSN 0025-326X

Sediment samples from multiple sites in the North Sea Coast of England were solvent extracted and analysed by a quadruple gas chromatograph equipped with a mass spectrometer detector in order to determine the concentration and distribution of aliphat... Read More

Physical chemistry examinations (2010)
Book
Ibhadon, A. (2010). Physical chemistry examinations. Nova Science

This book was written to meet the needs and demands of students who find studying physical chemistry a difficult and at times a frustrating experience. I have observed over several years of teaching this subject at the undergraduate level that studen... Read More

The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam (2008)
Journal Article
Ibhadon, A. O., Greenway, G. M., Yue, Y., Falaras, P., & Tsoukleris, D. (2008). The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam. Applied catalysis. B, Environmental, 84(3-4), 351-355. https://doi.org/10.1016/j.apcatb.2008.04.019

A porous organic-inorganic hybrid titania foam, prepared from a long chain organic surfactant, hexadecylamine (HDA) and a semiconductor powder was characterized by microscopic and spectroscopic techniques and photocatalytically evaluated for the solu... Read More

The photocatalytic activity of TiO2 foam and surface modified binary oxide titania nanoparticles (2008)
Journal Article
Ibhadon, A. O., Greenway, G. M., Yue, Y., Falaras, P., & Tsoukleris, D. (2008). The photocatalytic activity of TiO2 foam and surface modified binary oxide titania nanoparticles. Journal of Photochemistry and Photobiology A: Chemistry, 197(2-3), 321-328. https://doi.org/10.1016/j.jphotochem.2008.01.010

Surface modified titania dioxide composite nanoparticles prepared by hydrogen reduction reaction and a mesoporous TiO2 foam made from a surface modifier and a long chain organic surfactant were characterized by diffractive, spectroscopic and microsco... Read More

Photocatalytic activity of surface modified TiO2/RuO2/SiO2 nanoparticles for azo-dye degradation (2007)
Journal Article
Ibhadon, A., Greenway, G., & Yue, Y. (2008). Photocatalytic activity of surface modified TiO2/RuO2/SiO2 nanoparticles for azo-dye degradation. Catalysis communications, 9(1), 153-157. https://doi.org/10.1016/j.catcom.2007.05.038

SiO2/RuO2 modified high surface area titania dioxide nanoparticles prepared by hydrogen reduction were examined for their catalytic properties towards the photodegradation of methyl orange (MO), a common water pollutant in the textile industry. The m... Read More

The design and photoreaction kinetic modeling of a gas-phase titania foam packed bed reactor (2007)
Journal Article
Ibhadon, A. O., Arabatzis, I. M., Falaras, P., & Tsoukleris, D. (2007). The design and photoreaction kinetic modeling of a gas-phase titania foam packed bed reactor. Chemical Engineering Journal, 133(1-3), (317-323). doi:10.1016/j.cej.2007.02.018. ISSN 1385-8947

The design and testing as well as theoretical and experimental study involving kinetic modeling and photooxidation reactions of a gas-phase photocatalytic packed bed reactor (PBR) based on a porous titania foam is reported. The photoreactor was desig... Read More

The design and photoreaction kinetic modeling of a gas-phase titania foam packed bed reactor (2007)
Journal Article
Ibhadon, A., Arabatzis, I. M., Falaras, P., & Tsoukleris, D. (2007). The design and photoreaction kinetic modeling of a gas-phase titania foam packed bed reactor. Chemical Engineering Journal, 133(1-3), 317 - 323. https://doi.org/10.1016/j.cej.2007.02.018

The design and testing as well as theoretical and experimental study involving kinetic modeling and photooxidation reactions of a gas-phase photocatalytic packed bed reactor (PBR) based on a porous titania foam is reported. The photoreactor was desig... Read More