NJC
Paper
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Fig. 7 The external quantum efficiency and EL spectra of the DPSBAF
OLED.
device based on DPSBAF exhibited a maximum LE of 2.18 cd
Aꢀ1 with a maximum EQE of 2.87%. A saturated deep-blue
emission with CIE coordinates of (0.15, 0.09) was achieved by
using DPSBAF as the emitter. DPSBAF showed a high thermal
stability and potential for application in non-doped saturated
deep-blue OLEDs.
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Acknowledgements
This work was given financial support from the National
Natural Science Foundation of China (51273209, 21102156),
Ningbo International Cooperation Foundation (2012B10022,
2012D10009, 2013D10013) and External Cooperation Program
of the Chinese Academy of Sciences (No. GJHZ1219).
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