Journal
CRYSTENGCOMM
Volume 23, Issue 34, Pages 5891-5898Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce00459j
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Funding
- JSPS KAKENHI [JP17H06367, JP17H06368, JP18K19086, JP18K14232]
- Iketani Science and Technology Foundation
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A series of polyhalogenated platinum(ii)-bipyridine complexes showing solvent-of-crystallisation-dependent elastic flexibility were successfully developed, with methanol-solvated crystals being the first examples of flexible crystals showing assembly-induced luminescence from (MMLCT)-M-3 excited state. Factors inducing elastic deformability based on the packing structures of the crystals were also explored.
Single crystals showing elastic flexibility have attracted increasing attention as next-generation soft materials. Herein, we successfully developed a series of polyhalogenated platinum(ii)-bipyridine complexes showing solvent-of-crystallisation-dependent elastic flexibility. Notably, methanol-solvated crystals were the first examples of flexible crystals showing assembly-induced luminescence arising from the triplet metal-metal-to-ligand charge transfer ((MMLCT)-M-3) excited state. Furthermore, factors inducing elastic deformability based on the packing structures of the crystals were explored.
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