A novel
Co-based metal–organic framework (MOF) with the formula of
{[Co3(BIBT)3(BTC)2(H2O)2]·solvents}
n
(JXUST-2, where JXUST denotes Jiangxi University of Science
and Technology, BIBT = 4,7-bi(1H-imidazol-1-yl)benzo-[2,1,3]thiadiazole,
and H3BTC = 1,3,5-benzenetricarboxylic acid) has been solvothermally
prepared, which takes 3D structure with a rare 3,4,6-c topology and
contains intramolecular hydrogen bonds. Interestingly, the sensing
investigations suggest that JXUST-2 could be considered
as a multifunctional fluorescence sensor toward Fe3+, Cr3+, and Al3+ via a turn-on effect with good reusability
and detection limits of 0.13, 0.10, and 0.10 μM, respectively.
The turn-on effect of JXUST-2 could be ascribed to an
absorbance caused enhancement (ACE) mechanism. Notably, JXUST-2 is the first turn-on MOF fluorescent sensor for Fe3+,
Cr3+, and Al3+ simultaneously.
Efficient electrocatalytic overall water splitting is achieved with commercially-available and low-cost nickel foam and stainless steel mesh as cathode and anode electrodes.
A Zn II -based metal−organic framework (MOF) with a rare tcj topology has been solvothermally synthesized and displays relatively good thermal and chemical stabilities. Interestingly, the MOF can sensitively and selectively sense acetylacetone (acac) via a fluorescence enhancement effect with a detection limit of 0.10 ppm and good reusability, which demonstrates the first example of a MOF-based turn-on fluorescent sensor for acac.
A Cu-MOF with high peroxidase-like activity was prepared and could be used for colorimetric detection of H2O2 and glucose with high selectivity and good linear range (50–500 μM).
A new benzothiadiazole-based MOF {[Zn(BIBT)(oba)]·DMA}n (JXUST-3, BIBT = 4,7-bi(1H-imidazol-1-yl)benzo-[2,1,3]thiadiazole and H2oba = 4,4'-oxybisbenzoate) has been solvothermally synthesized and characterized by single crystal X-ray diffraction, IR spectra and TGA. The fluorescence...
A three-dimensional metal–organic framework namely {[Zn3(BIBT) (BTC)5/3(μ3-OH)]·solvents}n (JXUST-4), has been synthesized by using ZnII ions, BIBT and H3BTC ligands (BIBT = 4,7-bi(1H-imidazol-1-yl)benzo-[2,1,3]thiadiazole and H3BTC = 1,3,5-benzenetricarboxylic acid). JXUST-4 shows a...
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