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Biosynthesis of silver nanospheres, kinetic profiling and their application in the optical sensing of mercury and chlorite ions in aqueous solutions (2021)
Journal Article
Vashisht, D., Sangar, S., Kaur, M., Sharma, E., Vashisht, A., Ibhadon, A. O., …Singh, K. (2021). Biosynthesis of silver nanospheres, kinetic profiling and their application in the optical sensing of mercury and chlorite ions in aqueous solutions. Environmental Research, 197, Article 111142. https://doi.org/10.1016/j.envres.2021.111142

Pollution of water linked to microbial decontamination and extensive use of sodium chlorite (NaClO2 ) as a disinfectant, especially in the face of the current COVID-19 situation, is a serious water pollution issue that needs to be addressed. In this... Read More about Biosynthesis of silver nanospheres, kinetic profiling and their application in the optical sensing of mercury and chlorite ions in aqueous solutions.

The role of heterogeneous catalysts in the plasma-catalytic ammonia synthesis (2020)
Journal Article
Patil, B. S., Cherkasov, N., Srinath, N. V., Lang, J., Ibhadon, A. O., Wang, Q., & Hessel, V. (in press). The role of heterogeneous catalysts in the plasma-catalytic ammonia synthesis. Catalysis Today, https://doi.org/10.1016/j.cattod.2020.06.074

Ammonia, being the second largest produced industrial chemical, is used as a raw material for many chemicals. Besides, there is a growing interest in the applications of ammonia as electrical energy storage chemical, as fuel, and in selective catalyt... Read More about The role of heterogeneous catalysts in the plasma-catalytic ammonia synthesis.

Analysis of emerging contaminants: A case study of the underground and drinking water samples in Chandigarh, India (2020)
Journal Article
Vashisht, D., Kumar, A., Mehta, S. K., & Ibhadon, A. (2020). Analysis of emerging contaminants: A case study of the underground and drinking water samples in Chandigarh, India. Environmental advances, 1, Article 100002. https://doi.org/10.1016/j.envadv.2020.100002

The present report deals with the analysis of emerging contaminants and the quality of drinking and underground water supply in Chandigarh, India. A water sampling monitoring and analysis was conducted by collecting a total of 54 samples of undergrou... Read More about Analysis of emerging contaminants: A case study of the underground and drinking water samples in Chandigarh, India.

Bi2WO6/C-dots/TiO2: A novel z-scheme photocatalyst for the degradation of fluoroquinolone levofloxacin from aqueous medium (2020)
Journal Article
Elumalai, S., Sharma, S., Ibhadon, A. O., Grazia Francesconi, M., Mehta, S. K., Kansal, S. K., …Baskoutas, S. (2020). Bi2WO6/C-dots/TiO2: A novel z-scheme photocatalyst for the degradation of fluoroquinolone levofloxacin from aqueous medium. Nanomaterials, 10(5), Article 910. https://doi.org/10.3390/nano10050910

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Photocatalytic materials and semiconductors of appropriate structural and morphological architectures as well as energy band gaps are materials needed for mitigating current environmental prob... Read More about Bi2WO6/C-dots/TiO2: A novel z-scheme photocatalyst for the degradation of fluoroquinolone levofloxacin from aqueous medium.

Dehydroacetic acid Derived Schiff base as Selective and Sensitive Colorimetric Chemosensor for the Detection of Cu(II) ions in Aqueous Medium (2020)
Journal Article
Vashisht, D., Sharma, S., Kumar, R., Saini, V., Saini, V., Ibhadon, A., …Kataria, R. (2020). Dehydroacetic acid Derived Schiff base as Selective and Sensitive Colorimetric Chemosensor for the Detection of Cu(II) ions in Aqueous Medium. Microchemical journal, 155, Article 104705. https://doi.org/10.1016/j.microc.2020.104705

14 The deficiency, as well as overconsumption of essential metal ions, has serious health 15 implications. Hence, the design and synthesis of sensors for accurate detection of such ionic 16 species are of great significance. We report the synthesis a... Read More about Dehydroacetic acid Derived Schiff base as Selective and Sensitive Colorimetric Chemosensor for the Detection of Cu(II) ions in Aqueous Medium.

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. (2019). Stabilization of Pd3−xIn1+x polymorphs with Pd-like crystal structure and their superior performance as catalysts for semi-hydrogenation of alkynes. ChemCatChem, 11(12), 2909-2918. 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 about Stabilization of Pd3−xIn1+x polymorphs with Pd-like crystal structure and their superior performance as catalysts for semi-hydrogenation of alkynes.

Fabrication of novel carbon quantum dots modified bismuth oxide (α-Bi2O3/C-dots): Material properties and catalytic applications (2018)
Journal Article
Sharma, S., Mehta, S. K., Ibhadon, A. O., & Kansal, S. K. (2019). Fabrication of novel carbon quantum dots modified bismuth oxide (α-Bi2O3/C-dots): Material properties and catalytic applications. Journal of colloid and interface science, 533, 227-237. https://doi.org/10.1016/j.jcis.2018.08.056

The present work reports the facile and the template free sonochemical synthesis of a novel catalyst, α-Bi2O3/C-dots, for the degradation of indigo carmine (IC) dye, its simulated dyebath effluent and levofloxacin under visible light catalysis. The c... Read More about Fabrication of novel carbon quantum dots modified bismuth oxide (α-Bi2O3/C-dots): Material properties and catalytic applications.

The Reduction of Alkynes over Pd-based Catalyst Materials-A Pathway to Chemical Synthesis (2018)
Journal Article
Ibhadon, A. O., & Kansal, S. K. (2018). The Reduction of Alkynes over Pd-based Catalyst Materials-A Pathway to Chemical Synthesis. Journal of Chemical Engineering & Process Technology, 9(2), Article 1000376. https://doi.org/10.4172/2157-7048.1000376

Many reactions, including selective hydrogenation of alkynes, take place on solid surfaces. These reactions are vital in many areas of industry including the manufacture of polymers and fine chemicals such as vitamins, fragrances, and drugs. The choi... Read More about The Reduction of Alkynes over Pd-based Catalyst Materials-A Pathway to Chemical Synthesis.

Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties (2017)
Journal Article
Ibhadon, A. O., Francesconi, M. G., & Johnston, S. K. (2017). Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties. Chemical Engineering & Process Techniques, 3(3), Article 1044

The manufacture of chemicals requires innovation at the catalyst frontier so that processes can be developed with higher energy efficiency and increased facility of separation and recovery of products. Catalysts with high selectivity and activity con... Read More about Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties.

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 about Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance.

Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates (2017)
Journal Article
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 about Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates.

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 about Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol.

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 about Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst.

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 about Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts.

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 about Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol.

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 about Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors.

Heterogeneous photocatalysis: Recent advances and applications (2013)
Journal Article
Ibhadon, A. O., & Fitzpatrick, P. (2013). Heterogeneous photocatalysis: Recent advances and applications. Catalysts, 3(1), 189-218. https://doi.org/10.3390/catal3010189

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 about Heterogeneous photocatalysis: Recent advances and applications.

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 about Design and synthesis of polymetallic nanoparticles and their catalytic applications.

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. https://doi.org/10.1016/j.marpolbul.2010.03.024

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 about Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments.

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 about The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam.