Abstract
In this work, an orange fluorescent material ( TA-DF-BDM) with aggregation-induced emission (AIE) and mechanochromic luminescence (MCL) properties were synthesized and characterized. TA-DF-BDM had shown a clearer MCL with a larger emission color change from 507 to 625 nm upon mechanical grinding. Moreover, when TA-DF-BDM as the emitter was applied in OLEDs, the resulting doped device exhibited excellent electroluminescent properties with the maximum luminance, CE, PE, and EQE reaching 11040 cd/m 2 , 11.76 cd/A, 9.08 lm/W, and 3.89%, respectively. • TA-DF-BDM was a red emission material with AIE and MCL properties. • TA-DF-BDM had shown a clearer MCL with a larger emission color change from 507 to 625 nm upon mechanical grinding. • TA-DF-BDM exhibited excellent EL properties , and this device also realizes CE max of 11040 cd/m 2 .
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