An inclined polycatenated Co-MOF (1) synthesized by a facile slow-diffusion technique shows excellent performance for supercapacitors and dye adsorption.
A robust 2D heterostructure of heterobimetallic Na/Zn-MOF and rGO can be a promising alternative electrode material for next generation supercapacitors.
A dysprosium metal–organic framework, {[Dy(μ2-FcDCA)1.5(MeOH)(H2O)]·0.5H2O}
n
(1), where FcDCA
= 1,1′-ferrocene dicarboxylic acid, was prepared by slow-diffusion
technique at room temperature. The crystal structure analysis of 1 by single-crystal X-ray diffraction reveals different binding
modes of FcDCA linkers coordinated with Dy(III) metal ions, which
forms continuous porous two-dimensional (2D) infinite framework. The
resulting 2D layers are linked by π···π
interactions to build three-dimensional (3D) supramolecular framework.
Observably, this thermally stable 3D architecture was topologically
simplified as a three-connected uninodal net with fes topology. Furthermore, the practical applicability of 1 was investigated as a fluorescence sensor for the sensitive detection
of picric acid in aqueous medium with an impressive detection limit
of 0.71 μM with quenching constant (K
SV) quantified to be 8.55 × 104 M–1. The distinguished selectivity in the presence of other nitroaromatics suggests the
possible incorporation of 1 in real-world futuristic
diagnostic kits. Additionally, the electrochemical behavior of 1 exhibits reversible in nature attributed to the ferrocene/ferrocenium
cation.
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