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@ARTICLE{VelazquezGarcia:622232,
author = {Velazquez Garcia, Jose and Del los Santos Valladares, Luis
and Barnes, Crispin H. W. and König, Sandra and Froeba,
Michael and Baran, Volodymyr and Knjo, Bassima and
Khademhir, Faegheh and Ekineken, Aliyenur and Hain, Fabienne
and Carstensen, Evke and Spillner, Tom and Asprilla Herrera,
Lina Maria and Lukaszczyk, Weronika and Techert, Simone},
title = {{N}eutral and {I}onic {C}o({II}) {M}etal-{O}rganic
{F}rameworks with 2-{M}ethylimidazole and {T}rimesate:
{D}esign and {E}valuation for {M}olecule {E}ncapsulation and
{S}low {R}elease},
journal = {Dalton transactions},
volume = {54},
issn = {0300-9246},
address = {London},
publisher = {Soc.},
reportid = {PUBDB-2025-00270},
pages = {4449 - 4460},
year = {2025},
abstract = {Two Co(II) mixed-ligand metal-organic frameworks (MOFs)
based on 2-methylimidazole and trimesate were synthesised at
room temperature. The structure and properties of the two
MOFs, named material Deutsches Elektronen Synchrotron-1 and
-2 (mDESY-1 and mDESY-2), were verified by single crystal
X-ray diffraction (SCXRD), powder X-ray diffraction (PXRD),
SQUID magnetic susceptibility and N2 adsorption. The
structural analysis indicates that mDESY-1 is a 3D ionic
framework with 2-methyl-1H-imidazol-3-ium counterions
residing in its pores, while mDESY-2 is a 2D neutral
framework isostructural to ITH-1, with water as a
co-crystallising solvent. PXRD data demonstrates that
mDESY-1 exhibits better crystallinity than mDESY-2. Magnetic
measurements indicate that both MOFs are paramagnetic with a
weak ferromagnetic transition above room temperature.
Although both structures suggest the presence of voids, N2
adsorption data confirms that these voids are not accessible
in either MOF. Nevertheless, mDESY-1 was capable of
encapsulating azobenzene during synthesis, which was
observed via SCXRD. The encapsulated molecules were then
slowly released in ethanol, with a release of up to 30mg of
azobenzene per g of MOF in a period of 60 days.},
cin = {FS-SCS},
ddc = {540},
cid = {I:(DE-H253)FS-SCS-20131031},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
DFG project G:(GEPRIS)217133147 - SFB 1073: Kontrolle von
Energiewandlung auf atomaren Skalen (217133147) / SFB 1073
B06 - Echtzeituntersuchungen der optischen Anregung in
oligonuklearen Metallkomplexen mit schaltbaren Spin- und
Ladungszuständen (B06) (240171831)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
G:(GEPRIS)217133147 / G:(GEPRIS)240171831},
experiment = {EXP:(DE-H253)P-P11-20150101 /
EXP:(DE-H253)P-P02.1-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:39812590},
UT = {WOS:001398581300001},
doi = {10.1039/D4DT02679A},
url = {https://bib-pubdb1.desy.de/record/622232},
}