HAPPY Dyes as Light Amplification Media in Thin Films

A collection of 1H amorphous tri-phenyl pyridine (HAPPY) dyes have been synthesized from luminescent triphenyl-group-containing 2-methyl-6-styryl-substituted-4H-pyran-4-ylidene derivatives in reactions with benzylamine and investigated for suitability as solution-processable light-emitting medium elements in skinny movies for amplified spontaneous emission (ASE). Conversion of a 4H-pyrane ring right into a 1H-pyridine fragment permits aggregation-induced emission enhancement (AIEE) conduct in the goal

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