Skip to main content

Research Repository

Advanced Search

All Outputs (39)

The chemistry of phosphines in constrained, well-defined microenvironments (2021)
Journal Article
Orton, G. R. F., Pilgrim, B. S., & Champness, N. R. (2021). The chemistry of phosphines in constrained, well-defined microenvironments. Chemical Society Reviews, 50(7), 4411-4431. https://doi.org/10.1039/d0cs01556c

Developments in the confinement of phosphines within micro- or nano-environments are explored. Phosphines are ubiquitous across metal coordination chemistry and underpin some of the most famous homogeneous transition metal catalysts. Constraining pho... Read More about The chemistry of phosphines in constrained, well-defined microenvironments.

Gas Transport Properties of the Metal-Organic Framework (MOF)-Assisted Polymer of Intrinsic Microporosity (PIM-1) Thin-Film Composite Membranes (2020)
Journal Article
Aliyev, E., Warfsmann, J., Tokay, B., Shishatskiy, S., Lee, Y., Lillepaerg, J., …Filiz, V. (2021). Gas Transport Properties of the Metal-Organic Framework (MOF)-Assisted Polymer of Intrinsic Microporosity (PIM-1) Thin-Film Composite Membranes. ACS Sustainable Chemistry and Engineering, 9(2), 684-694. https://doi.org/10.1021/acssuschemeng.0c06297

The current study summarizes the findings of single-gas transport performances of mixed matrix thin-film composite membranes consisting of metal-organic frameworks (MOFs) incorporated into a polymer of intrinsic microporosity (PIM-1). Mg-MOF-74, MIL-... Read More about Gas Transport Properties of the Metal-Organic Framework (MOF)-Assisted Polymer of Intrinsic Microporosity (PIM-1) Thin-Film Composite Membranes.

Structural characterisation of molecular conformation and the incorporation of adatoms in an on-surface Ullmann-type reaction (2020)
Journal Article
Judd, C. J., Junqueira, F. L. Q., Haddow, S. L., Champness, N. R., Duncan, D. A., Jones, R. G., & Saywell, A. (2020). Structural characterisation of molecular conformation and the incorporation of adatoms in an on-surface Ullmann-type reaction. Communications Chemistry, 3(1), Article 166. https://doi.org/10.1038/s42004-020-00402-0

© 2020, The Author(s). The on-surface synthesis of covalently bonded materials differs from solution-phase synthesis in several respects. The transition from a three-dimensional reaction volume to quasi-two-dimensional confinement, as is the case for... Read More about Structural characterisation of molecular conformation and the incorporation of adatoms in an on-surface Ullmann-type reaction.

Thin film synthesis of hybrid ultramicroporous materials (HUMs)- a comparative approach (2020)
Journal Article
Warfsmann, J., Tokay, B., & Champness, N. R. (2021). Thin film synthesis of hybrid ultramicroporous materials (HUMs)- a comparative approach. Microporous and Mesoporous Materials, 311, Article 110686. https://doi.org/10.1016/j.micromeso.2020.110686

© 2020 The thin-film synthesis of the hybrid ultramicroporous material (HUM) TIFSIX-3-Ni on glass substrates are reported for the first time. Several methods of film formation are employed including dip-coating, seeding and secondary growth, vapour-a... Read More about Thin film synthesis of hybrid ultramicroporous materials (HUMs)- a comparative approach.

Porous Metal–Organic Polyhedra: Morphology, Porosity, and Guest Binding (2020)
Journal Article
Argent, S. P., Da Silva, I., Greenaway, A., Savage, M., Humby, J., Davies, A. J., …Schröder, M. (2020). Porous Metal–Organic Polyhedra: Morphology, Porosity, and Guest Binding. Inorganic Chemistry, 59(21), 15646-15658. https://doi.org/10.1021/acs.inorgchem.0c01935

Designing porous materials which can selectively adsorb CO2 or CH4 is an important environmental and industrial goal which requires an understanding of the host-guest interactions involved at the atomic scale. Metal-organic polyhedra (MOPs) showing p... Read More about Porous Metal–Organic Polyhedra: Morphology, Porosity, and Guest Binding.

Metal-Organic Frameworks and Metal-Organic Cages – A Perspective (2020)
Journal Article
Pilgrim, B., & Champness, N. R. (2020). Metal-Organic Frameworks and Metal-Organic Cages – A Perspective. ChemPlusChem, 85(8), 1842-1856. https://doi.org/10.1002/cplu.202000408

© 2020 Wiley-VCH GmbH The fields of metal-organic cages (MOCs) and metal-organic frameworks (MOFs) are both highly topical and continue to develop at a rapid pace. Despite clear synergies between the two fields, overlap is rarely observed. This artic... Read More about Metal-Organic Frameworks and Metal-Organic Cages – A Perspective.

On-surface chemical reactions characterised by ultra-high resolution scanning probe microscopy (2020)
Journal Article
Sweetman, A., Champness, N. R., & Saywell, A. (2020). On-surface chemical reactions characterised by ultra-high resolution scanning probe microscopy. Chemical Society Reviews, 49(13), 4189-4202. https://doi.org/10.1039/d0cs00166j

In the last decade it has become possible to resolve the geometric structure of organic molecules with intramolecular resolution using high resolution scanning probe microscopy (SPM), and specifically using the subset of SPM known as noncontact atomi... Read More about On-surface chemical reactions characterised by ultra-high resolution scanning probe microscopy.

Influence of molecular design on radical spin multiplicity: characterisation of BODIPY dyad and triad radical anions (2020)
Journal Article
Mangham, B., Hanson-Heine, M. W. D., Davies, E. S., Wriglesworth, A., George, M. W., Lewis, W., …Champness, N. R. (2020). Influence of molecular design on radical spin multiplicity: characterisation of BODIPY dyad and triad radical anions. Physical Chemistry Chemical Physics, 22(8), 4429-4438. https://doi.org/10.1039/c9cp06427c

This journal is © the Owner Societies. A strategy to create organic molecules with high degrees of radical spin multiplicity is reported in which molecular design is correlated with the behaviour of radical anions in a series of BODIPY dyads. Upon re... Read More about Influence of molecular design on radical spin multiplicity: characterisation of BODIPY dyad and triad radical anions.

Per-alkoxy-pillar[5]arenes as electron donors: Electrochemical properties of dimethoxy-pillar[5]arene and its corresponding rotaxane (2020)
Journal Article
Pearce, N., Davies, E. S., & Champness, N. R. (2020). Per-alkoxy-pillar[5]arenes as electron donors: Electrochemical properties of dimethoxy-pillar[5]arene and its corresponding rotaxane. Molecules, 25(7), Article 1627. https://doi.org/10.3390/molecules25071627

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 1,4-dimetho... Read More about Per-alkoxy-pillar[5]arenes as electron donors: Electrochemical properties of dimethoxy-pillar[5]arene and its corresponding rotaxane.

Synthesis of MIL-53 thin films by vapour-assisted conversion (2019)
Journal Article
Warfsmann, J., Tokay, B., & Champness, N. R. (2020). Synthesis of MIL-53 thin films by vapour-assisted conversion. CrystEngComm, 22(6), 1009-1017. https://doi.org/10.1039/c9ce01644a

A simple method for the preparation of MIL-53 thin films is reported. By employing a vapour-assisted conversion (VAC) approach we were able to prepare homogeneous MIL-53 films on a variety of glass, silicon or alumina substrates. Our strategy uses a... Read More about Synthesis of MIL-53 thin films by vapour-assisted conversion.

Synthesis and characterisation of rylene diimide dimers using molecular handcuffs (2019)
Journal Article
Yang, L., Langer, P., Davies, E. S., Baldoni, M., Wickham, K., Besley, N. A., …Champness, N. R. (2019). Synthesis and characterisation of rylene diimide dimers using molecular handcuffs. Chemical Science, 10(13), 3723-3732. https://doi.org/10.1039/c9sc00167k

A strategy for positioning, and loosely connecting, molecules in close proximity using mechanically interlocked handcuffs is described. The strategy is demonstrated using rylene diimides, creating dimeric structures in which two components are linked... Read More about Synthesis and characterisation of rylene diimide dimers using molecular handcuffs.

Thionated perylene diimide–phenothiazine dyad: synthesis, structure, and electrochemical studies (2018)
Journal Article
Pearce, N., Davies, E. S., Lewis, W., & Champness, N. R. (2018). Thionated perylene diimide–phenothiazine dyad: synthesis, structure, and electrochemical studies. ACS Omega, 3(10), 14236-14244. https://doi.org/10.1021/acsomega.8b02457

Perylene diimides (PDIs) are promising candidates for n-type semiconductor materials and, thus, for use in organic electronics. Thionation of the imide moiety provides an e?cient strategy to control the donor?acceptor gap of these types of compounds... Read More about Thionated perylene diimide–phenothiazine dyad: synthesis, structure, and electrochemical studies.

Influence of hydrogen-bonding interactions on nuclearity and structure of palladium tiara-like complexes (2018)
Journal Article
Martin, H. J., Pfeiffer, C. R., Davies, E. S., Davis, A. L., Lewis, W., & Champness, N. R. (2018). Influence of hydrogen-bonding interactions on nuclearity and structure of palladium tiara-like complexes. ACS Omega, 3(8), 8769-8776. https://doi.org/10.1021/acsomega.8b01133

The role of intramolecular hydrogen-bonding interactions upon the nuclearity of palladium tiara-like complexes is reported herein. The synthesis of three palladium tiaras is described with three related thiolate ligands that vary in their hydrogen-bo... Read More about Influence of hydrogen-bonding interactions on nuclearity and structure of palladium tiara-like complexes.

Protecting-group-free site-selective reactions in a metal–organic framework reaction vessel (2018)
Journal Article
Huxley, M. T., Burgun, A., Ghodrati, H., Coghlan, C. J., Lemieux, A., Champness, N. R., …Sumby, C. J. (2018). Protecting-group-free site-selective reactions in a metal–organic framework reaction vessel. Journal of the American Chemical Society, 140(20), https://doi.org/10.1021/jacs.8b02896

Site-selective organic transformations are commonly required in the synthesis of complex molecules. By employing a bespoke metal-organic framework (MOF, 1·[Mn(CO)3N3]), in which coordinated azide anions are precisely positioned within 1D channels, w... Read More about Protecting-group-free site-selective reactions in a metal–organic framework reaction vessel.

Perylene diimide triple helix formation in the solid-state (2018)
Journal Article
Haddow, S. L., Ring, D. J., Bagha, H., Pearce, N., Nowell, H., Blake, A. J., …Champness, N. R. (2018). Perylene diimide triple helix formation in the solid-state. Crystal Growth and Design, 18(2), https://doi.org/10.1021/acs.cgd.7b01268

The structural characterisation of single crystals of di-4-pyridyl-substituted 3,4,9,10-perylenetetracarboxylic diimide reveals a surprising triple helical arrangement. The intermolecular interactions that lead to such an arrangement are investigated... Read More about Perylene diimide triple helix formation in the solid-state.

An On-Surface Reaction Confined within a Porous Molecular Template (2017)
Journal Article
Judd, C. J., Champness, N. R., & Saywell, A. (2018). An On-Surface Reaction Confined within a Porous Molecular Template. Chemistry - A European Journal, 24(1), 56-61. https://doi.org/10.1002/chem.201704693

On-surface reactions based on metal-catalysed Ullmann coupling have been successfully employed to synthesise a wide variety of covalently coupled structures. Substrate chemistry and topology are both known to effect the progression of an on-surface r... Read More about An On-Surface Reaction Confined within a Porous Molecular Template.

Supramolecular networks stabilise and functionalise black phosphorus (2017)
Journal Article
Korolkov, V. V., Timokhin, I. G., Haubrichs, R., Smith, E. F., Yang, L., Yang, S., …Beton, P. H. (2017). Supramolecular networks stabilise and functionalise black phosphorus. Nature Communications, 8(1), Article 1385. https://doi.org/10.1038/s41467-017-01797-6

© 2017 The Author(s). The limited stability of the surface of black phosphorus (BP) under atmospheric conditions is a significant constraint on the exploitation of this layered material and its few layer analogue, phosphorene, as an optoelectronic ma... Read More about Supramolecular networks stabilise and functionalise black phosphorus.

Thionated naphthalene diimides: tuneable chromophores for applications in photoactive dyads (2017)
Journal Article
Pearce, N., Davies, E. S., Horvath, R., Pfeiffer, C. R., Sun, X., Lewis, W., …Champness, N. R. (2018). Thionated naphthalene diimides: tuneable chromophores for applications in photoactive dyads. Physical Chemistry Chemical Physics, 20(2), https://doi.org/10.1039/c7cp06952a

Varying the degree of thionation of a series of naphthalene diimide (NDI) and naphthalic imides (NI) phenothiazine dyad systems afford a systematic approach for tuning of the system’s donor-acceptor energy gap. Each dyad was compared to model NDI/NI... Read More about Thionated naphthalene diimides: tuneable chromophores for applications in photoactive dyads.

Ullmann coupling reactions on Ag(111) and Ag(110); substrate influence on the formation of covalently coupled products and intermediate metal-organic structures Metal-Organic Structures (2017)
Journal Article
Judd, C. J., Haddow, S. L., Champness, N. R., & Saywell, A. (in press). Ullmann coupling reactions on Ag(111) and Ag(110); substrate influence on the formation of covalently coupled products and intermediate metal-organic structures Metal-Organic Structures. Scientific Reports, 7(14541), https://doi.org/10.1038/s41598-017-13315-1

On-surface reactions based on Ullmann coupling are known to proceed on coinage-metal substrates (e.g. Au, Ag, Cu), with the chemistry of the surface strongly influencing the reaction progression. In addition, the topography of the surface may be expe... Read More about Ullmann coupling reactions on Ag(111) and Ag(110); substrate influence on the formation of covalently coupled products and intermediate metal-organic structures Metal-Organic Structures.