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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

Effect of Inorganic Ions on Pyrite Catalyzed Fenton Reaction (2018)
Conference Proceeding
Escobar Castillo, M., Gad-Allah, T. A., Ali, M. E. M., Salem, A. H., Khalil, A. S., Francesconi, M. G., & Lupascu, D. C. (2018). Effect of Inorganic Ions on Pyrite Catalyzed Fenton Reaction. doi:10.11159/icepr18.145

Industrial wastewaters contain not only organic pollutants but also considerable amounts of inorganic ions that may affect the efficiency of wastewater remediation processes. Thus, it is important to study the influence of such ions in the respective... Read More

Fluoride doped γ-Fe2O3 nanoparticles with increased MRI relaxivity (2018)
Journal Article
Jones, N. E., Burnett, C. A., Salamon, S., Landers, J., Wende, H., Lazzarini, L., …Francesconi, M. G. (2018). Fluoride doped γ-Fe2O3 nanoparticles with increased MRI relaxivity. Journal of Materials Chemistry B, 6(22), 3665-3673. https://doi.org/10.1039/c8tb00360b

Iron oxide nanoparticles (IONs) are being actively researched and experimented with as contrast agents for Magnetic Resonance Imaging (MRI), as well as image-directed delivery of therapeutics. The efficiency of an MRI contrast agent can be described... 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

Synthesis and antibacterial effects of cobalt–cellulose magnetic nanocomposites (2017)
Journal Article
Kelly, S., Kornherr, A., Alahmadi, N. S., Betts, J. W., Francesconi, M. G., Prior, T. J., …Kornherr, A. (2017). Synthesis and antibacterial effects of cobalt–cellulose magnetic nanocomposites. RSC advances, 7(32), 20020-20026. https://doi.org/10.1039/c7ra00920h

© The Royal Society of Chemistry. Green synthesis is employed to prepare cobalt/cellulose nanocomposites with cubic (α-cobalt) cobalt as a main component with antibacterial and magnetic properties. An in situ reduction of aqueous solutions of cobalt... Read More

Structure and electronic properties of the quasi-one-dimensional Ba₂Co₁₋ₓZnₓS₃ series (2016)
Journal Article
Harrison, M. R., Maignan, A., Hardy, V., Lebedev, O. L., Young, N. A., & Francesconi, M. G. (2017). Structure and electronic properties of the quasi-one-dimensional Ba₂Co₁₋ₓZnₓS₃ series. Inorganic chemistry, 56(1), 213-223. https://doi.org/10.1021/acs.inorgchem.6b02014

This work focuses on the structure and physical properties of the solid solution Ba₂Co₁₋ₓZnₓS₃ (0 ≤ x ≤ 1), a family of quasi-one-dimensional sulfides with end members Ba₂CoS₃ and Ba₂ZnS₃. The structure of selected compounds with increasing Zn²⁺ cont... Read More

Structural classification of quasi-one-dimensional ternary nitrides (2016)
Journal Article
Headspith, D., & Francesconi, M. G. (2016). Structural classification of quasi-one-dimensional ternary nitrides. Inorganics, 4(4), https://doi.org/10.3390/inorganics4040037

This review focuses on the crystal structural features of ternary (mixed-metal) quasi-one-dimensional nitrides i.e., nitrides containing (cation-³⁻) coordination polyhedra sharing either corners, edges, or faces, arranged in linear chains, and interc... Read More

Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles (2015)
Journal Article
Simmons, M. D., Jones, N., Evans, D. J., Wiles, C., Watts, P., Salamon, S., …Francesconi, M. G. (2015). Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles. Lab on a chip, 15(15), 3154-3162. https://doi.org/10.1039/c5lc00287g

Microreactor systems are now used more and more for the continuous production of metal nanoparticles and metal oxide nanoparticles owing to the controllability of the particle size, an important property in many applications. Here, for the first time... Read More

Direct amine-functionalisation of γ-Fe2O3nanoparticles (2014)
Journal Article
Rocher, V., Manerova, J., Kinnear, M., Evans, D. J., & Francesconi, M. G. (2014). Direct amine-functionalisation of γ-Fe2O3nanoparticles. Dalton transactions : an international journal of inorganic chemistry / RSoC, 43(7), 2948-2952. https://doi.org/10.1039/c3dt52386a

A novel and simple preparation of amine-modified γ-Fe2O3 nanoparticles is described. The presence of amine groups on the surface, instead of hydroxyl groups, will allow conjugation of biologically active molecules to the iron oxide nanoparticles with... Read More

Modification of the anion sublattice in metal nitrides (2013)
Journal Article
Prior, T., Headspith, D. A., & Francesconi, M. G. (2013). Modification of the anion sublattice in metal nitrides. Coordination chemistry reviews, 257(13-14), 1970-1977. https://doi.org/10.1016/j.ccr.2013.01.033

The main goal of solid-state chemistry is the synthesis and characterisation of new compounds with technologically exploitable properties. To this aim, one established chemical route is the modification of known inorganic materials, in most cases oxi... Read More

Using high pressure to prepare polymorphs of the Ba2Co1-xZnxS3(0 ≤ x ≤ 1.0) compounds (2011)
Journal Article
Mezzadri, F., Gilioli, E., Calestani, G., Migliori, A., Harrison, M. R., Headspith, D. A., & Francesconi, M. G. (2012). Using high pressure to prepare polymorphs of the Ba2Co1-xZnxS3(0 ≤ x ≤ 1.0) compounds. Inorganic chemistry, 51(1), 397-404. doi:10.1021/ic201773e

In this work, high pressure was used as a tool to induce structural transition and prepare metastable polymorphs of ternary sulfides. Structural transformations under high pressure of compounds belonging to the Ba 2 Co 1-x Zn x S 3 (0 ≤ x ≤ 1.0) seri... Read More

Preparation, structural characterization, and thermal ammonolysis of two novel dimeric transition silylamide complexes (2011)
Journal Article
Cheng, F., Hope, C. N., Archibald, S. J., Bradley, J. S., Clark, S., Francesconi, M. G., …Lefebvre, F. (2011). Preparation, structural characterization, and thermal ammonolysis of two novel dimeric transition silylamide complexes. International Journal of Applied Ceramic Technology, 8(2), 467-481. https://doi.org/10.1111/j.1744-7402.2009.02452.x

The preparation and molecular structures of two novel dimeric transition metal silylamide complexes {Li0.5Zr[NHSi(NMe2)3]1.5[NSi(NMe2)3]0.5[μ -NSi(NMe2)3]}2 and {Li0.5Hf[NHSi(NMe2)3]1.5[NSi(NMe2)3]0.5[μ-NSi(NMe2)3]}2 with a tetrahedral coordina... Read More

Investigation of the stability of Co-doped apatite ionic conductors in NH3 (2010)
Journal Article
Headspith, D. A., Orera, A., Slater, P. R., Young, N. A., & Francesconi, M. G. (2010). Investigation of the stability of Co-doped apatite ionic conductors in NH3. Journal of Solid State Chemistry, 183(12), (2746-2758). doi:10.1016/j.jssc.2010.08.033. ISSN 0022-4596

Hydrogen powered solid oxide fuel cells (SOFCs) are of enormous interest as devices for the efficient and clean production of electrical energy. However, a number of problems linked to hydrogen production, storage and transportation are slowing down... Read More

Formation of apatite oxynitrides by the reaction between apatite-type oxide ion conductors, La8+xSr2-x(Si/Ge)6O26+x/2, and ammonia (2009)
Journal Article
Orera, A., Headspith, D., Apperley, D. C., Francesconi, M. G., & Slater, P. R. (2009). Formation of apatite oxynitrides by the reaction between apatite-type oxide ion conductors, La8+xSr2-x(Si/Ge)6O26+x/2, and ammonia. Journal of Solid State Chemistry, 182(12), 3294-3298. doi:10.1016/j.jssc.2009.09.029

Following growing interest in the use of ammonia as a fuel in solid oxide fuel cells (SOFCs), we have investigated the possible reaction between the apatite silicate/germanate electrolytes, La8+xSr2−x(Si/Ge)6O26+x/2, and NH3 gas. We examine how... Read More

Synthesis and characterisation of the quaternary nitride-fluoride Ce2MnN3F2-δ (2009)
Journal Article
Headspith, D. A., Sullivan, E., Greaves, C., & Francesconi, M. G. (2009). Synthesis and characterisation of the quaternary nitride-fluoride Ce2MnN3F2-δ. Dalton transactions : an international journal of inorganic chemistry / RSoC, 9273-9279. doi:10.1039/b908591b

Ce 2 MnN 3 F 2-δ has been synthesised via low-temperature fluorination of the ternary nitride Ce 2 MnN 3 . To the best of our knowledge, Ce 2 MnN 3 F 2-δ is the first quaternary nitride-fluoride to be reported. The reaction of Ce 2 MnN 3 with 10% F 2... Read More

Transition Metal Pnictide-Halides: A Class of Under-Explored Compounds (2009)
Journal Article
Headspith, D., & Francesconi, M. G. (2009). Transition Metal Pnictide-Halides: A Class of Under-Explored Compounds. Topics in catalysis, 52(11), 1611 - 1627. https://doi.org/10.1007/s11244-009-9282-5

In terms of application, mixed anion compounds have attracted far less attention than mixed cation systems. Interest in the catalytic properties of nitrides has been driven, in part, by their accessibility through new, improved synthesis routes. Alth... Read More

Increase in magnetoresistivity in Ba2CoS3 via Zn2+/Co2+substitution (2009)
Journal Article
Harrison, M. R., Hardy, V., Maignan, A., & Francesconi, M. G. (2009). Increase in magnetoresistivity in Ba2CoS3 via Zn2+/Co2+substitution. Chemical communications : Chem comm / the Royal Society of Chemistry, 2214-2216. doi:10.1039/b817363j

We report an increase of negative magnetoresistivity from 1.7% to 9% in the Ba2Co0.5Zn0.5S3 series (0 <= x <= 0.5), derived from Zn2+/Co2+ substitution in Ba2CoS3; Zn2+ substitution destroys the one-dimensional antiferromagnetic ordering typica... Read More

An investigation of the high temperature reaction between the apatite oxide ion conductor La9.33Si6O26 and NH3 (2009)
Journal Article
Kendrick, E., Headspith, D., Orera, A., Apperley, D. C., Smith, R. I., Francesconi, M. G., & Slater, P. R. (2009). An investigation of the high temperature reaction between the apatite oxide ion conductor La9.33Si6O26 and NH3. Journal of materials chemistry, 19(6), 749-754. doi:10.1039/b808215d

There is growing interest in the use of ammonia as a fuel in Solid Oxide Fuel Cells (SOFCs). However, the possible reaction between the electrolyte and ammonia, and its potential effect on performance, has received little attention. In this paper, we... Read More

Stereostructural behaviour of N-N atropisomers: Two conglomerate crystallisations and a crystallisation-induced deracemisation (2008)
Journal Article
Arthur, R. J., Coogan, M. P., Casadesus, M., Haigh, R., Headspith, D. A., Francesconi, M. G., & Laye, R. H. (2009). Stereostructural behaviour of N-N atropisomers: Two conglomerate crystallisations and a crystallisation-induced deracemisation. CrystEngComm RSC, 11(4), 610-619. doi:10.1039/b814424a

The solid state behaviour of a number of compounds which show hindered rotation around an N-N bond, in some cases leading to axial chirality is described. A diacyl hydrazine, bisanthranoly hydrazine, 1 crystallises in the chiral space group P2(1)2(1)... Read More

Crystal and magnetic structures of (La0.70Ca0.30)(CryMn1-y)O-3: A neutron powder diffraction study (2008)
Journal Article
Capogna, L., Martinelli, A., Francesconi, M. G., Radaelli, P. G., Carvajal, J. R., Cabeza, O., …Pompeo, N. (2008). Crystal and magnetic structures of (La0.70Ca0.30)(CryMn1-y)O-3: A neutron powder diffraction study. Physical review B: Condensed matter and materials physics, 77(10), 0 - 0. doi:10.1103/PhysRevB.77.104438

The crystal and magnetic structures of (La0.70Ca0.30)(CryMn1−y)O3 for y=0.70, 0.50, and 0.15 have been investigated using neutron powder diffraction. The three samples crystallize in the Pnma space group at both 290 and 5K and exhibit different... Read More