Circularly Polarized Luminescence of Tetradentate-Ligand-Based Chiral MOFs: Structural Evidence of Chirality Inversion
Source abstract
Abstract
Chirality inversion modulation is of great importance in the preparation of chiroptical materials. The rational use of the stoichiometry of mixed ligands in chiral metal–organic frameworks (MOFs) to induce chiral inversion of the enantiomeric space groups is a crucial topic in structural chemistry. However, no remarkable results have been reported yet. In this work, we synthesized chiral MOFs through the assembly of chiral camphoric acid ( d / l -cam) and achiral tetradentate ligands. Interestingly, the visible single-crystal structures confirmed that chirality inversion of the enantiomeric space groups can be achieved via stoichiometric modulation of mixed ligands. Significantly, the switches of circularly polarized luminescence (CPL) along with the inversion of enantiomeric space groups can be observed clearly. Moreover, the encapsulated guest emitters exhibit the inverted CPL, revealing the helical-channel-dependent chirality transfer. The obtained results constitute a milestone in the field of chiral crystal engineering of MOFs.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Magnetism in coordination complexes · Molecular Sensors and Ion Detection
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, P. R. China
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
Binders Division, IMparat Farbwerk Iversen & Mähl GmbH & Co. KG, Siemensstraße 8, D-21509 Glinde/Hamburg, Germany
Funding
Natural Science Foundation of Henan Province · Science and Technology Innovation Talents in Universities of Henan Province · State Key Laboratory of Structural Chemistry · National Natural Science Foundation of China · Science and technology R&D program of the Joint Funds of Henan province
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