Characterization of Quantum Dot/Conducting Polymer Hybrid Films and Their Application to Light‐Emitting Diodes
Journal article published in 2009 by
Jeonghun Kwak 
,
Wan Ki Bae,
Matthias Zorn,
Heeje Woo,
Hyunsik Yoon,
Jaehoon Lim,
Sang Wook Kang,
Stefan Weber,
Hans-Jürgen Butt,
Rudolf Zentel,
Seonghoon Lee,
Kookheon Char,
Changhee Lee
,
Wan Ki Bae,
Matthias Zorn,
Heeje Woo,
Hyunsik Yoon,
Jaehoon Lim,
Sang Wook Kang,
Stefan Weber,
Hans-Jürgen Butt,
Rudolf Zentel,
Seonghoon Lee,
Kookheon Char,
Changhee Lee
This paper is made freely available by the publisher.
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Abstract
Quantum dot/conducting polymer hybrid films are used to prepare light-emitting diodes (LEDs). The hybrid films (CdSe@ZnS quantum dots excellently dispersed in a conducting polymer matrix, see figure) are readily prepared by various solution-based processes and are also easily micropatterned. The LEDs exhibit a turn-on voltage of 4 V, an external quantum efficiency greater than 1.5%, and almost pure-green quantum-dot electroluminescence.