期刊
DYES AND PIGMENTS
卷 89, 期 1, 页码 56-62出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2010.09.003
关键词
Aggregation induced emission enhancement; High glass transition temperature; Blue light emission; Bis(triphenylethylene) derivatives; Device; Synthesis
资金
- National Natural Science Foundation of China [50773096, 50473020]
- SYSU
- Science and Technology Planning Project of Guangdong Province China [2007A010500001-2, 2008B090500196]
- Commission of Economy and Informatization of Guangdong Province [20081203]
- State Key Laboratory of Optoelectronic Materials and Technologies
A series of new aggregation-induced emission enhancement derivatives from bis(triphenylethylene) with strong blue-light-emitting properties and high thermal stability have been synthesized Their maximum fluorescence emission wavelengths range between 464-468 nm with fluorescence quantum yields of 0 58-0 88 Their glass transition temperatures range from 125 degrees C to 178 C The obtained experimental results demonstrate the different aggregation-induced emission enhancement phenomena caused by the effect of solvent and formation of both H- and J- aggregation states An emitting device was fabricated using a bis(triphenylene) derivative in the emitting layer which exhibited a luminance efficiency of up to 2 cd/A with a maximum brightness of 548 cd/m(2) (C) 2010 Elsevier Ltd All rights reserved
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