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Proceedings Paper

The color tuning of PPV derivative by substituted tetrakis-ethylhexyloxy groups
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Paper Abstract

New electroluminescent polymer with tetrakis-alkoxy group, poly[2,3,5,6-tetrakis(2-ethylhexyloxy)-1,4- phenylenevinylene] (TEH-PPV), has been synthesized by the Gilch polymerization. TEH-PPV with tetrakisethylhexyloxy groups in phenylene unit can get shorter conjugation length than MEH-PPV, and had more blue shifted absorption and emission peaks due to steric hindrance. Tetrakis-ethylhexyloxy groups induced very conjugated backbone is twisted. And, they can enhance the internal efficiency of the conjugated polymer as emissive layer in PLED because of the restraint of inter-chain interaction by the avoidance of close packing to give decent device performance.

Paper Details

Date Published: 13 February 2008
PDF: 11 pages
Proc. SPIE 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII, 69101G (13 February 2008); doi: 10.1117/12.762230
Show Author Affiliations
Youngran Goo, Pusan National Univ. (South Korea)
Youngeup Jin, Pusan National Univ. (South Korea)
Suhee Song, Pusan National Univ. (South Korea)
Jin Young Kim, Pusan National Univ. (South Korea)
Kwanghee Lee, Gwangju Institute of Science and Technology (South Korea)
Hongsuk Suh, Pusan National Univ. (South Korea)

Published in SPIE Proceedings Vol. 6910:
Light-Emitting Diodes: Research, Manufacturing, and Applications XII
Klaus P. Streubel; Heonsu Jeon, Editor(s)

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