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中文摘要：
在红、绿、蓝（RGB）三基色发光材料的研究中可以看出，无论是在色纯度还是发光效率上，红光材料都比绿光和蓝光材料差．常用的红光材料以一定的浓度掺杂在Alq3或其它主体材料中，避免发光材料发生浓度猝灭效应．
英文摘要：
A novel Λ-shaped compound DMCEM based on Trger′s base was designed,synthesized and its photophysical properties were examined in detail.DMCEM exhibited an aggregation-induced emission enhancement（AIEE） effect and emitted strong red fluorescence in solid states and faint fluorescence in the dilute solution.Nanocrystals of DMCEM ranging from 60 to 160 nm with well-defined spherical shape were prepared.The DMCEM naoparticles possess special size dependence on their optical properties.The red shift of the absorption and the blue shift of the emission with the increase in the particle size may be attributed to the increased rigidification of the crystal lattice and the associated decrease of vibrational relaxation.
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