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Inducing piezoelectric behavior in a copper iodide cubane cluster-based metal-organic framework linker engineering.
Chem Commun (Camb)
January 2025
School of Chemical Sciences, National Institute of Science Education and Research Bhubaneswar, Jatni, Khurda, Odisha, 752050, India.
CuI cubane-type secondary building units are reticulated with a piperazine linker at room temperature to crystallize the metal-organic frameworks (MOFs) CuI(Pip) in a non-centrosymmetric 622 space group. For the first time, cubane cluster type MOF's strong piezoelectric nature has been studied by switching spectroscopy piezo force microscopy (SS-PFM) and piezo force microscopy (PFM) mapping of the crystal, with piezoelectric constant () ∼52.33 pm V, highlighting its potential for mechanical energy harvesting processes.
View Article and Find Full Text PDFSequential Infiltration Synthesis of Cadmium Sulfide Discrete Atom Clusters.
Angew Chem Int Ed Engl
January 2025
Material Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois, 60439, United States.
Exposure of soft material templates to alternating volatile chemical precursors can produce inorganic deposition within the permeable template (e.g. a polymer thin film) in a process akin to atomic layer deposition (ALD).
View Article and Find Full Text PDFConstruction and Magnetic Difference of {CoCoM} (M = Co/Cd) Aggregates with Homo- and Heterometallic Centers Derived from {Co} Precursors.
Inorg Chem
December 2024
State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, PR China.
Controllable synthesis of sophisticated aggregations has attracted wide attention from scientists. In this work, homo- and heterometallic {CoCoM} ( = Co/Cd) aggregates with similar skeletons, composed of two [CoM(dpbt)] peripheries and a central [Co(OH)] vertex-fused double-cubane, were constructed from prefabricated {Co} clusters and characterized by single-crystal X-ray diffraction and XPS, ICP-MS, SEM (EDX), and so on. And then, the structure and magnetic differences of them had been further analyzed under dotted with paramagnetic Co ions and/or diamagnetic Cd ions.
View Article and Find Full Text PDFDirecting the Linkage of Small Polyoxometalate Building Blocks Using (Benzene)ruthenium Cations.
Inorg Chem
December 2024
Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan.
Oligomerization of monomeric molybdate and tungstate oxyanions in the presence of organometallic cations produces a group of organometallic-polyoxometalate clusters, which have diverse structures based on cubane-like {MO} units resembling the structure of oxide surfaces. This work investigated the oligomerization of [MoO] and [WO] oxyanions in aqueous solutions in the presence of {Ru(CH)} as the organometallic structure-directing agents. The reactions produced a mixture of several species, and fractional crystallization by adjusting crystallization temperature and molar ratios of Ru:Mo or Ru:W allowed the isolation of seven types of (benzene)ruthenium-polyoxometalate complexes: [{Ru(CH)}MoO] (), [{Ru(CH)(OH)}HMoO][MoO] (), [{Ru(CH)}HMoO] (), [{Ru(CH)}WO] (), Na[{Ru(CH)}HWO] (), [{Ru(CH)}HWO] (), and [{Ru(CH)(OH)}WO][{Ru(CH)}{Ru(CH)(OH)}HWO] ().
View Article and Find Full Text PDF{CoO} Cubanes in a conducting polymer matrix as bio-inspired molecular oxygen evolution catalysts.
Nat Commun
September 2024
Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057, Zurich, Switzerland.
Exploration of efficient molecular water oxidation catalysts for long-term application remains a key challenge for the conversion of renewable energy sources into fuels. Cuboidal {CoO} complexes keep attracting interest as molecular water oxidation catalysts as they combine features of both heterogeneous and homogeneous catalysis with bio-inspired motifs. However, the application of many cluster-based catalysts for the oxygen evolution reaction still requires new stabilization strategies.
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