High performance oxygen-bridged N-shaped semiconductors with a stabilized crystal phase and blue luminescence

Here, we describe an oxygen-bridged N-shaped π-electron core, dinaphtho[2,3-d:2′,3′-d′]benzo[1,2-b:4,5-b′]difuran (DNBDF), as a new entity of organic semiconducting materials. Interestingly, by introduction of flexible alkyl chains at appropriate positions, DNBDF π-cores exhibit solution processability, a highly stabilized crystal phase, high mobility, and blue luminescence as a solid.

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