Journal
AUSTRALIAN JOURNAL OF CHEMISTRY
Volume 64, Issue 2, Pages 160-165Publisher
CSIRO PUBLISHING
DOI: 10.1071/CH10320
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Funding
- Ministry of Science and Technology, China [2006CB921602, 2009CB623601]
- National Natural Science Foundation of China
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Two deep blue-emitting dendrimers 11 and 12 with carbazole containing dendrons were developed in this contribution. The carbazole-containing units were introduced to tune the charge-transporting property of the desired dendrimers. The investigation of photophysical properties, electrochemical, and electroluminescence properties demonstrated that the balance between electron and hole transporting was achieved from both dendrimers. The preliminary organic light-emitting diode (OLED) fabrication achieved a pure blue colour with stable CIE chromaticity coordinates (X: 0.15-0.16, Y: 0.09-0.10) for 11 and 12. Single layer deep blue emitting diode devices with higher efficiency are achieved without the colour changing. The investigation of OLED performance indicates that dendrimers 11 and 12 are promising light-emitting materials with pure blue colour and good colour stability for OLEDs.
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