Research on the Mechanofluorochromism properties of six salicylaldimine difluoroboron complexes with different aryl substitutions
To further exploring the factors affecting the molecular machanofluorochromism performance,six salicylaldehydimine diflu-oroboron complexes(1-6)with different aryl substituent groups were synthesized.The results indicated that all complexes exhibited weak intramolecular charge transfer processes,and except for complex 5,the other five complexes displayed aggregation-induced emis-sion properties.Further research showed that complex 6 exhibited well machanofluorochromism performance in this series of complexes.The quantum chemical calculation results illustrated that the machanofluorochromism behaviors of the complexes were influenced by mo-lecular spatial effects and dipole moments.
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