A chlorine precursor route (CPR) to poly(p-phenylene vinylene) light emitting diodes
Conference
·
OSTI ID:126981
- Xerox Corp., Webster, NY (United States)
- Wright State Univ., Dayton, OH (United States); and others
We use a chlorine precursor route (CPR) to fabricate PPV based electroluminescent (EL) devices. 1,4- Bis(chloromethyl)-2,3-diphenylbenzene was polymerized with one equivalent amount of potassium t-butoxide (t-BuOK) to give the corresponding chlorine precursor polymer with very high molecular weights. This polymer is soluble in common organic solvents and is highly stable in the solid state and in solution. Thin films of the precursor polymer were spin cast on indiumtin-oxide (ITO) coated glass substrates followed by thermal conversion at 300{degrees}C for 2 h to give DP-PPV thin films. We found that CPR is more convenient and reliable than sulfonium precursor route for the fabrication of PPV thin film EL devices. Efficient emission of green light (500 nm) was observed for Mg/DP-PPV/ITO and Al/DP-PPV/ITO single layer devices.
- OSTI ID:
- 126981
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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Journal Article
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Sat Dec 31 23:00:00 EST 2005
· Journal of Chemical Physics
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OSTI ID:2323468