Mali Husby Rosnes

Mali Husby Rosnes
University of Bergen | UiB · Department of Chemistry

PhD
Main research project is the ReCat4Polymer, funded as a 4-year Starting Grant Project by the Trond Mohn Foundation

About

24
Publications
7,562
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1,480
Citations
Citations since 2016
8 Research Items
994 Citations
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150

Publications

Publications (24)
Article
Full-text available
The dehydration of the CPO-27-M (M-MOF-74, M = Zn, Co, Ni, Mg, Mn, Cu) metal-organic framework series has been investigated comprehensively using in situ variable temperature powder X-ray diffraction (VT-PXRD) and thermal analysis (TG) coupled with mass spectrometry (MS). Significant differences in the order of water desorption from different adsor...
Article
A phase transition occurs in metal-organic framework CPO 27 M (M = Co and Zn) below ~110 K in CO2 atmosphere. The phase change involves the collective rearrangement of the...
Article
Electrospray ionisation mass spectrometry (ESI-MS) has been utilised to investigate the self-assembly processes occurring during the formation of the microporous metal-organic framework CPO-27-M (M = Co, Ni). The mono- and dinuclear building units {M(Hxdhtp)} and {M2(Hxdhtp)}, where Hxdhtp is the organic linker HxC8O6 and fragments thereof, were id...
Article
The CPO-27/MOF-74 series is among the most investigated metal-organic frameworks because of their usefulness in a diverse range of applications. For specific applications, it will be important to control the shape and size of the particles or crystallites of the material. The modulation approach has been successfully used to direct these parameters...
Article
The open copper metal sites in CPO-27-Cu were studied by means of IR spectroscopy of adsorbed CO and NO, and DFT calculations. Very low Lewis acidity of the Cu2+ sites was established by CO (IR band at 2153-2149 cm-1). Variable-temperature IR experiments indicate adsorption enthalpy of ca. 20 kJ mol-1. It was also found that CO is sensitive probe t...
Article
Lignin conversion processes produce carbon rich residues1,2 that can be converted into valuable materials such as magnetic activated carbons (MACs). Such lignin-derived MACs can be further used as functional substrates for hydrotreating NiMo catalysts. In this work, we studied the activity of different NiMo-MACs for the catalytic conversion of lign...
Article
Using gas sorption measurements at ambient temperatures and in situ neutron powder diffraction methods, we have studied the interaction strengths and coordination geometries of O2 and N2 near the non-occupied coordination site (open metal site) in the isostructural MOF structures of the CPO 27 M/M-MOF-74 series (with M=Co, Ni, Mn and Cu). Our exper...
Article
The CO2 adsorption process in the family of porous metal-organic framework materials CPO 27 M (M = Mg, Mn, Co, Ni, Cu and Zn) has been studied by variable temperature powder synchrotron X-ray diffraction under isobaric conditions. Rietveld analysis of the data provided a time-lapse view of the adsorption process with an unprecedented level of struc...
Article
An extraordinarily interesting series of metal–organic framework compounds are the isostructural microporous coordination polymers [M2(dhtp)] (CPO-27–M, M–MOF-74 or M2(dobdc)) in which a high concentration of coordinatively unsaturated metal sites results in high initial heats of adsorption for a variety of adsorbents. We present here a comparative...
Article
Polyoxometalates (POMs) are a class of metal oxides with discrete molecular structures of various shapes and sizes, possessing a diverse range of associated properties. A comprehensive overview of POMs is presented, looking at the different metals they can incorporate from a structural point of view, and how they act as single molecules or as a par...
Article
Herein a library of hybrid Mn-Anderson polyoxometalates anions are presented: 1, [(MnMo(6) O(18) )((OCH(2) )(3) -C-(CH(2) )(7) CHCH(2) )(2) ](3-) ; compound 2, [(MnMo(6) O(18) )((OCH(2) )(3) C-NHCH(2) C(16) H(9) )(2) ](3-) ; compound 3, [(MnMo(6) O(18) )((OCH(2) )(3) C-(CH(2) )(7) CHCH(2) )(1) ((OCH(2) )(3) C-NHCH(2) C(16) H(9) )(1) ](3-) ; compoun...
Article
Full-text available
We present a study in which the versatility of 3D-printing is combined with the processing advantages of flow chemistry for the synthesis of organic compounds. Robust and inexpensive 3D-printed reactionware devices are easily connected using standard fittings resulting in complex, custom-made flow systems, including multiple reactors in a series wi...
Article
Full-text available
Herein, we present an approach for the rapid, straightforward and economical preparation of a tailored reactor device using three-dimensional (3D) printing, which can be directly linked to a high-resolution electrospray ionisation mass spectrometer (ESI-MS) for real-time, in-line observations. To highlight the potential of the setup, supramolecular...
Article
We utilise 3D design and 3D printing techniques to fabricate a number of miniaturised fluidic 'reactionware' devices for chemical syntheses in just a few hours, using inexpensive materials producing reliable and robust reactors. Both two and three inlet reactors could be assembled, as well as one-inlet devices with reactant 'silos' allowing the int...
Article
Full-text available
A comprehensive study of the isomer-independent synthesis of TRIS ((HOCH(2))(3)CNH(2)) Mn-Anderson compounds from Na(2)MoO(4)·2H(2)O, via the corresponding octamolybdate species, is presented. Three octamolybdate salts of [Mo(8)O(26)](4-) in the β-isomer form, with tetramethylammonium (TMA), tetraethylammonium (TEA) and tetrapropylammonium (TPA) as...
Article
An organic-inorganic molecular hybrid containing the Dawson polyoxometalate, ((C(4)H(9))(4)N)(5)H[P(2)V(3)W(15)O(59)(OCH(2))(3)CNHCOC(15)H(31)], was synthesized and its surfactant-like amphiphilic properties, represented by the formation of bilayer vesicles, were studied in polar solvents. The vesicle size decreases with both decreasing hybrid conc...
Article
Utilizing Langmuir-Blodgett deposition and scanning probe microscopy, we have investigated the extent to which cations alter the self-assembly processes of hybrid polyoxometalates (POMs) on surfaces. The well-defined 2D hexagonal nanostructures obtained were extensively characterized and their properties were studied, and this has revealed fascinat...
Article
This work was supported by the ESPRC, the Leverhulme Trust, WestCHEM, the Royal Society/Wolfson Foundation, the University of Glasgow, and the program of the Scotland–China Higher Education Research Partnership. Y.F.S. would like to acknowledge the financial support by the NSFC (21076020) and the 973 Program (2011CBA00504).
Article
(Graph Presented) Catching a glimpse: Electrospray ionization mass spectrometry (ESI-MS) allows monitoring of the real-time, "in- solution" formation of an organic-inorganic poly-oxometalate hybrid system (see picture). This has provided insight into the rearrangement involved in the formation of the manganese-Anderson cluster coordinated with tris...
Article
The exploration of the self-organization of a range of the polyoxometalate-based molecular structures reveals a diverse range of surface patterns and morphologies on solid substrates of technological interest, including methylated and hydroxylated silicon surfaces (namely, SiCH3 and SiOH). By exploiting the interplay between the intrinsic molecular...
Article
Three organic-inorganic hybrid Mn-Anderson polyoxometalates (POMs), with both symmetrical and asymmetrical appended groups, have been synthesized, identified using electrospray mass spectrometry, and isolated using an approach that allows the three AA, BB, and AB compounds to be structurally characterized. Investigation of the self-assembly of the...
Article
Alloy, alloy: A pure cobalt-based Keggin network linked by W-O-Co interactions is "alloyed" with a pure manganese-based Keggin network, linked by W-O-Mn interactions. These isostructural alloys are solid solutions of the Co and Mn nets. The alloys are prepared by the stoichiometric mixing of the components of each discrete network, leading to a ser...
Article
Full-text available
We describe the ligand directed self assembly of two mesoscopic supramolecular MOF architectures based upon the rigid ligand cis, trans-1,3,5-triaminocyclohexane with copper(II) salts. The use of copper fluoride results in the assembly of an unprecedented cubic 3D network with 1 nm void spaces while the use of copper sulfate yields a hexagonal 3D l...
Article
The compositional parameter space in the formation of polynuclear clusters is probed in the synthesis of a series of dodecanuclear coordination clusters of Ni(II) and Co(II) with isostructural D(3h)-symmetric frameworks. At the core of their construction are a carbonate template and the directing ligands cis,trans-1,3,5-triaminocyclohexane and acet...

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