Single-Component TADF Gels: Study of Positional Isomer Effect on Gelation and Morphological Effect on Conductivity
Abstract
Gelation study of two TADF positional isomers, 4BPy-mDTC and BPy-DTC were explored. Among these emitters, only 4BPy-mDTC forms stable organogels due to the optimized intermolecular interactions. Interestingly, morphology of the gel can be tuned from fibre to fettuccine by changing the solvents. The electrical conductivity of the self-assembly can also be increased from 8.05 x 10-4 S/m to 6.05 x 10-3 S/m by tuning the morphology.
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