TY  - JOUR
T1  - High electroluminescence efficiency and long device lifetime of a fluorescent green-light emitter using aggregation-induced emission
AU  - Jung, Hyocheol
AU  - Shin, Hwangyu
AU  - Kim, Siin
AU  - Kim, Joonghan
AU  - An, Byeong-Kwan
AU  - Lee, Ji-Hoon
AU  - Ihee, Hyotcherl
AU  - Park, Jongwook
JO  - Journal of Industrial and Engineering Chemistry
VL  - 87
SP  - 213
EP  - 221
PY  - 2020
DA  - 2020/07/25/
SN  - 1226-086X
DO  - https://doi.org/10.1016/j.jiec.2020.04.003
UR  - https://www.sciencedirect.com/science/article/pii/S1226086X20301738
KW  - Organic light-emitting diodes
KW  - Fluorescence
KW  - Green emitter
KW  - Aggregation-induced emission
KW  - Luminance efficiency
KW  - Device lifetime
AB  - Three bipolar materials, 4-(4,6-diphenyl-1,3,5-triazin-2-yl)-N,N-diphenylaniline (DPAT-Ph), 4-(4,6-diphenyl-1,3,5-triazin-2-yl)-N,N-diphenylnaphthalen-1-amine (DPAT-Na), and 10-(4,6-diphenyl-1,3,5-triazin-2-yl)-N,N-diphenylanthracen-9-amine (DPAT-An), were designed and synthesized. To achieve a bipolar character, diphenylamine (DPA) moiety and 2,4-diphenyl-1,3,5-triazine (DPT) moiety were introduced as electron donating and electron accepting groups, respectively. The three compounds exhibited UV maximum wavelengths (UVmax) at 395–454nm and photoluminescence maximum wavelengths (PLmax) at 472–546nm. 10-(4,6-Diphenyl-1,3,5-triazin-2-yl)-N,N-diphenylanthracen-9-amine (DPAT-An) shows AIE phenomenon even though DPAT-An does not have tetraphenylethylene (TPE) moiety which is representative AIE structure. DPAT-An exhibits over EQE value of 5% and long device lifetime of 1310h without sublimation process.
ER  -