A novel tris(chelate) metalloligand has been used to synthesize a chiral, heterometallic metal-organic framework that is robust to solvent removal and shows selective uptake of nitroaromatic compounds.
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Chiral Bimetallic Cuprous-Lead Hybrid Iodide Single Crystals toward Occurrence of Second Harmonic Generation.
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School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, P.R. China.
Hybrid bimetallic halides with two different optical activities have exhibited excellent optical properties, which demonstrates great potential in the optoelectronic fields. To develop hybrid cuprous-lead bimetallic halides with unique non-centrosymmetric structures, we introduced the chiral cations /-2-CHN (CHN = methylpiperazinium) into inorganic frameworks containing two different heterometallic cuprous and lead cations, respectively, and successfully obtained the novel chiral hybrid bimetallic halides of (/-2-CHN)CuPbI single crystals by the hydrothermal method. Bimetallic anionic [CuPbI] framework structures were constructed from two different [PbI] and two different [CuI] twisted polyhedra, and band gap calculations were demonstrated.
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J Mater Chem C Mater
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Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 30-387 Krakow Poland
The design of high-performance optical materials can be realized using coordination polymers (CPs) often supported by non-covalent interactions, such as metallophilicity. The challenge is to control two or more optical effects, , non-linear optics (NLO) and photoluminescence (PL). We present a new strategy for the combination of the NLO effect of second-harmonic generation (SHG) and the visible PL achieved by linking dicyanidoaurate(i) ions, which form luminescent metallophilic stacks, with cadmium(ii) complexes bearing chiral amine ligands, used to break the crystal's symmetry.
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School of Nuclear Technology and Chemistry and Biology, Hubei University of Science and Technology, Xianning 437100, China.
Two enantiomeric pairs of new 3d-4f heterometallic clusters have been synthesized from two enantiomer Schiff base derivatives: (/)-2-[(2-hydroxy-1-phenylethylimino)methyl] phenol (-/-HL). The formulae of the series clusters are CoLn(-L) (Ln = Dy (), Gd ()), CoLn (-L) (Ln = Dy (), Gd ()), whose crystal structures and magnetic properties have been characterized. Structural analysis indicated that the above clusters crystallize in the chiral 23 group space.
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Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, 230601, P. R. China.
A series of TADF-active compounds: 0D chiral Ln-Ag(I) clusters L-/D-LnAg-0D (Ln=Eu/Gd) and 2D chiral Ln-Ag(I) cluster-based frameworks L-/D-LnAg-2D (Ln=Gd) has been synthesized. Atomic-level structural analysis showed that the chiral Ag(I) cluster units {AgS} in L-/D-LnAg-0D and L-/D-LnAg-2D exhibited similar configurations, linked by varying numbers of [Ln(HO)] (x=6 for 0D, x=3 for 2D) to form the final target compounds. Temperature-dependent emission spectra and decay lifetimes measurement demonstrated the presence of TADF in L-LnAg-0D (Ln=Eu/Gd) and L-GdAg-2D.
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Laboratoire National des Champs Magnétiques Intenses (LNCMI), Université Grenoble Alpes, INSA Toulouse, Université Toulouse Paul Sabatier, EMFL, CNRS, 38400 Grenoble, France.
Here we report on the strong magneto-chiral dichroism (MChD) detected through visible and near-infrared light absorption up to 5.0 T on {ErNi} metal clusters obtained by reaction of enantiopure chiral ligands and Ni and Er precursors. Single-crystal diffraction analysis reveals that these compounds are 34 heterometallic clusters, showing helical chirality.
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