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

Youngran Goo; Youngeup Jin; Suhee Song; Jin Young Kim; Kwanghee Lee; Hongsuk Suh

doi:10.1117/12.762230

13 February 2008 The color tuning of PPV derivative by substituted tetrakis-ethylhexyloxy groups

Youngran Goo, Youngeup Jin, Suhee Song, Jin Young Kim, Kwanghee Lee, Hongsuk Suh

Proceedings Volume 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII; 69101G (2008) https://doi.org/10.1117/12.762230
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

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.

Citation Download Citation

Youngran Goo, Youngeup Jin, Suhee Song, Jin Young Kim, Kwanghee Lee, and Hongsuk Suh "The color tuning of PPV derivative by substituted tetrakis-ethylhexyloxy groups", Proc. SPIE 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII, 69101G (13 February 2008); https://doi.org/10.1117/12.762230

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