Browsing Chemistry (Scholarly Publications) by Author "Schmitt, Wolfgang"
Now showing items 21-40 of 43
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A Lanthanide luminescent cation exchange material derived from a flexible tricarboxylic acid 2,6-Bis(1,2,3-Triazol-4-yl)pyridine (btp) tecton
Gunnlaugsson, Thorfinnur; Schmitt, Wolfgang (2018)The synthesis of the three-dimensional metal–organic framework material, [Zn7L6]·(H2NMe2)4·(H2O)45 (1), derived from a flexible tricarboxylic acid 2,6-bis(1,2,3-triazol-4-yl)pyridine (btp) ligand, is presented. The btp ... -
Light-harvesting, 3rd generation RuII/CoII MOF with a large, tubular channel aperture
Bradley, Louise; Schmitt, Wolfgang (2019)A photoactive, hetero-metallic CoII/RuII-based metal–organic framework (MOF) with a large channel aperture, ca. 21 Å, is reported. The photophysical properties of the MOF are derived from the RuII nodes giving rise to ... -
Mixed donor, phenanthroline photoactive MOFs with favourable CO 2 selectivity
Schmitt, Wolfgang (2020)Mixed donor phenanthroline-carboxylate linkers were combined with MnII or ZnII to form photoactive MOFs with large pore apertures. The MOFs display high CO2 adsorption capacities, which consequently causes structural ... -
A Mn13-cluster based coordination polymer as a co-catalyst of CdS for enhanced visible-light driven H 2 evolution
Schmitt, Wolfgang (2018)A coordination cluster-based polymer was used for the first time as a noble-metal-free co-catalyst of CdS, giving rise to significantly enhanced photocatalytic H2 production. This work demonstrates the feasibility of cluster ... -
A Mn13-cluster based coordination polymer as a co-catalyst of CdS for enhanced visible-light driven H2 evolution
Schmitt, Wolfgang (2018)A coordination cluster-based polymer was used for the first time as a noble-metal-free co-catalyst of CdS, giving rise to significantly enhanced photocatalytic H2 production. This work demonstrates the feasibility of cluster ... -
Modulating Structural and Electronic Properties of Rare Archimedean and Johnson-Type Mn Cages
Schmitt, Wolfgang; Venkatesan, Munuswamy; Watson, Graeme (2021)High-nuclearity Mn complexes have attracted significant scientific attention due to their fascinating magnetic properties and their relevance to bioinorganic systems and catalysis. In this work, we demonstrate how the ... -
Multicomponent halide templating: The effect of structure-directing agents on the assembly of molecular and extended coordination compounds
Schmitt, Wolfgang; Healy, Colm (2018)This account covers template effects that lead to the formation of polynuclear coordination compounds, with a focus on how the interplay of the structure-directing effects of multiple agents (including inorganic anions and ... -
Multimodal switching of a redox-active macrocycle
Schmitt, Wolfgang; Payne, Daniel T.; Webre, Whitney A.; Matsushita, Yoshitaka; Zhu, Nianyong; Futera, Zdenĕk; Labuta, Jan; Jevasuwan, Wipakorn; Fossey, John S.; D'Souza, Francis; Ariga, Katsuhiko; Hill, Jonathan P.; Fukata, Naoki (2019)Molecules that can exist in multiple states with the possibility of toggling between those states based on different stimuli have potential for use in molecular switching or sensing applications. Multimodal chemical or ... -
Node-Dependent Photoinduced Electron Transfer in Third-Generation 2D MOFs Containing Earth-Abundant Metal Ions
Bradley, Louise; Schmitt, Wolfgang (2020)Five isostructural 2D metal–organic frameworks (MOFs), based on a photoactive CuI metallolinker and mixed mono-/dinuclear secondary building units (SBUs), are reported. The MOFs 1(M) (M = Mn, Co, Cu, Zn, and Cd) exhibit ... -
Passing it up the ranks: hierarchical ion-size dependent supramolecular response in 1D coordination polymers
Schmitt, Wolfgang (2018)The synthesis and structural characterisations of four 1D coordination polymers based on the 1,3,5-tris(4-carboxyphenyl)benzene (H3btb) and 2,4,6-tris(2-pyridyl)-1,3,5-triazine (2-tpt) ligands are reported: [MII(Hbtb)(2- ... -
Polymorphism of metal-organic frameworks: direct comparison of structures and theoretical N2-uptake of topological - and -isomers.
Schmitt, Wolfgang; Zhu, Nian-Yong (2014)The syntheses, calculated surface areas and N2 uptakes of two highly augmented {Cu}2 `paddlewheel?-based MOFs provide a direct comparison of tbo and pto framework polymorphs with identical composition. -
A Schiff-base cross-linked supramolecular polymer containing diiminophenol compartments and its interaction with copper(II) ions
Schmitt, Wolfgang; Gunnlaugsson, Thorfinnur (2018)We report here the preparation of a Schiff-base linked organic polymer 1 based on linkages containing the potent supramolecular aggregator benzene-1,3,5-tricarboxamide, connected through 2,6-diiminophenol metal binding ... -
Self-assembled bright luminescent hierarchical materials from a tripodal benzoate antenna and heptadentate Eu(III) and Tb(III) cyclen complexes
Gunnlaugsson, Thorfinnur; Schmitt, Wolfgang (2018)The europium heptadentate coordinatively unsaturated (Eu(III)) and the terbium (Tb(III)) 1,4,7,10-tetraazacyclododecane (cyclen) complexes 1 and 2 were used in conjunction with ligand 3 (1,3,5-benzene-trisethynylbenzoate) ... -
Structural variation in cation-assisted assembly of high-nuclearity Mn arsonate and phosphonate wheels
Schmitt, Wolfgang; Venkatesan, Munuswamy (2016)Comproportionation reactions between MnCl2 and KMnO4 in the presence of arsonate or phosphonate ligands promote the cation-assisted assembly of high-nuclearity, wheel-shaped or toroidal {Mn8} (1) and {Mn24} (2) complexes; ... -
A supramolecular Tröger's base derived coordination zinc polymer for fluorescent sensing of phenolic-nitroaromatic explosives in water
Gunnlaugsson, Thorfinnur; Schmitt, Wolfgang (2017)A V-Shaped 4-amino-1,8-napthalimide derived tetracarboxylic acid linker (L; bis-[N-(1,3-benzenedicarboxylic acid)]-9,18-methano-1,8-naphthalimide-[b,f][1,5]diazocine) comprising the Tröger's base (TB) structural motif was ... -
Synthesis of new Mn19 analogues and their structural, electrochemical and catalytic properties
Schmitt, Wolfgang (2019)We report the synthesis and structural characterisation of new Mn19 and Mn18M analogues, [MnIII12MnII7(μ4-O)8(μ3-OCH3)2(μ3-Br)6(HLMe)12(MeOH)6]Br2 (2) and [MnIII12MnII6Sr(μ4-O8(μ3-Cl)8(HLMe)12(MeCN)6]Cl2 cluster (3), where ... -
Synthetic approaches to metallo-supramolecular Co(II) polygons and potential use for H2O oxidation
Garcia Melchor, Max; Schmitt, Wolfgang (2020)Metal-directed self-assembly has been applied to prepare supramolecular coordination polygons which adopt tetrahedral (1) or trigonal disklike topologies (2). In the solid state, 2 assembles into a stable halide–metal–organic ... -
Tetraarylpyrrolo[3,2-b]pyrroles as versatile and responsive fluorescent linkers in metal-organic frameworks
Gunnlaugsson, Thorfinnur; Schmitt, Wolfgang (2018)The first examples of crystalline coordination polymers containing the tetraarylpyrrolo[3,2-b]pyrrole (TPP) fluorophore are presented. We have prepared three new TPP ligands L1, H2L2 and H2L3, containing nitrile, carboxylate ... -
Towards multifunctional lanthanide-based metal-organic frameworks
Schmitt, Wolfgang; Gunnlaugsson, Thorfinnur; Zhu, Nian-Yong (2015)We report the synthesis, structure and physicochemical attributes of a new holmium(III)-based metal–organic framework whose 3D network structure gives rise to porosity; the reported structure-type can be varied using a ... -
Tuning photoactive metal–organic frameworks for luminescence and photocatalytic applications
Schmitt, Wolfgang; Gunnlaugsson, Thorfinnur (2021)Metal-organic frameworks (MOFs) are a class of porous materials, constructed from organic and inorganic components. MOFs have been explored for a diverse range of applications due to their tunable structures, porosities, ...