Journal
INORGANIC CHEMISTRY
Volume 61, Issue 19, Pages 7231-7237Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c03433
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Funding
- National Natural Science Foundation of China [22071079]
- Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
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The relationship between structures and luminescence properties of inner- and outer-modified metallacycles were investigated. The position of the fluorophores in the structures had a significant impact on the luminescence behavior. A tunable solid-state fluorescence emissive material was easily obtained by mixing different supramolecules.
To completely unravel the relationship between structures andluminescence properties of inner- and outer-modified metallacycles, two rhombicmetallacyclesS1andS2with 9,10-distyrylanthracene (DSA) were constructedherein via the design of DSA moieties on the inside or outside of metallacycles.Similar building blocks of the two metallacycles led to the same emissionwavelengths in a dilute solution. In contrast, theirfluorescence emissions in theaggregation and solid states were significantly different and revealed interestingemission behaviors from structures with inner- and outer-modified design.Finally, based on their luminescence properties, a tunable solid-statefluorescenceemissive material was easily obtained by the mixing of two supramolecules indifferent ratios. This unique design suggested that the modified position offluorophores exerts a key impact on the adjustment of luminescence from adilute solution to the aggregated state and will be of great significance for thedevelopment of luminescent materials based on supramolecules
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