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@ARTICLE{Garg:491384,
author = {Garg, Akash and Almáši, Miroslav and Bednarčík, Jozef
and Sharma, Rishabh and Rao, Vikrant Singh and Panchal,
Priyanka and Jain, Ankur and Sharma, Anshu},
title = {{G}d({III}) metal-organic framework as an effective
humidity sensor and its hydrogen adsorption properties},
journal = {Chemosphere},
volume = {305},
issn = {0045-6535},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {PUBDB-2023-00122},
pages = {135467},
year = {2022},
note = {Waiting for fulltext},
abstract = {Metal-organic frameworks (MOFs) represent a class of
nanoporous materials built up by metal ions and organic
linkers with several interesting potential applications. The
present study described the synthesis and characterization
of Gd(III)-based MOF with the chemical composition
[Gd(BTC)(H$_2$O)]·DMF (BTC – trimesate, DMF =
N,N′-dimethylformamide), known as MOF-76(Gd) for hydrogen
adsorption/desorption capacity and humidity sensing
applications. The structure and morphology of as-synthesized
material were studied using powder X-ray diffraction,
scanning and transmission electron microscopy. The crystal
structure of MOF-76(Gd) consists of gadolinium (III) and
benzene-1,3,5-tricarboxylate ions, one coordinated aqua
ligand and one crystallization DMF molecule. The polymeric
framework of MOF-76(Gd) contains 1D sinusoidally shaped
channels with sizes of 6.7 × 6.7 Å propagating along c
crystallographic axis. The thermogravimetric analysis,
heating infrared spectroscopy and in-situ heating powder
X-ray diffraction experiments of the prepared framework
exhibited thermal stability up to 550 °C. Nitrogen
adsorption/desorption measurement at −196 °C showed a BET
surface area of 605 m$^2$ g$^{−1}$ and pore volume of 0.24
cm$^3$ g$^{−1}$. The maximal hydrogen storage capacity of
MOF-76(Gd) was 1.66 wt \% and 1.34 wt \% −196 °C and
−186 °C and pressure up to 1 bar, respectively. Finally,
the humidity sensing measurements (water adsorption
experiments) were performed, and the results indicate that
MOF-76(Gd) is a suitable material for moisture sensing
application with a fast response (11 s) and recovery time (2
s) in the relative humidity range of 11–98\%.},
cin = {DOOR ; HAS-User},
ddc = {333.7},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {899 - ohne Topic (POF4-899)},
pid = {G:(DE-HGF)POF4-899},
experiment = {EXP:(DE-H253)D-BW5-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {35764119},
UT = {WOS:000822569100005},
doi = {10.1016/j.chemosphere.2022.135467},
url = {https://bib-pubdb1.desy.de/record/491384},
}