| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5186037 | Polymer | 2009 | 7 Pages |
A polyfluorene derivative with primary amine groups on side chains, poly(9,9-bis(6â²-aminohexyl)fluorene) (PF-NH2), was prepared through de-protection of its analogue polymer poly(9,9-bis(6â²-butoxylcarbonylaminohexyl)fluorene) (PF-BOC) with hydrochloric acid followed by neutralizing the salt form of poly(6,6â²-(9H-fluorene-9,9-diyl)dihexan-1-aminium chloride) (PF-NION). PF-NION had good solubility in methanol, DMSO, and DMF. Scanning electron microscopic images of PF-NH2 in thin films revealed that intramolecular/intermolecular hydrogen bonding and Ï-Ï stacking interactions probably played an important role in the formation of special surface morphologies, which might be beneficial to the molecular ordering and device fabrication. The electroluminescence property of PF-NION was recorded on a simple polymer light-emitting diode (PLED) device configuration of ITO/PEDOT/Polymer/Al. Pure blue electroluminescence is achieved from double-layer PLEDs based on PF-NION as the active material with the CIE of (0.16, 0.08).
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