Issue 16, 2008
From the journal:

Journal of Materials Chemistry

Red, green, and blue quantum dot LEDs with solution processable ZnO nanocrystal electron injection layers†

Jan W. Stouwdama  and  René A. J. Janssen*a  

* Corresponding authors

a Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
E-mail: r.a.j.janssen@tue.nl

Abstract

ZnO nanocrystals are presented as an electron injection layer for red, green, and blue light-emitting diodes (LEDs) based on core–shell CdSe/ZnS quantum dots (QDs). The deposition of ZnO nanocrystals from isopropanol permits fabricating multilayer QD-LEDs that include both hole and electron transport layers by simple solution processing. The ZnO nanocrystals improve electron injection in the light-emitting QD layer as evidenced from a decreased turn-on voltage and a reduction of emission originating from other layers than the QD layer of the LEDs.

Graphical abstract: Red, green, and blue quantum dot LEDs with solution processable ZnO nanocrystal electron injection layers

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Article information

DOI
https://doi.org/10.1039/B800028J
Article type
Paper
Submitted
02 Jan 2008
Accepted
06 Feb 2008
First published
05 Mar 2008

J. Mater. Chem., 2008,18, 1889-1894

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Red, green, and blue quantum dot LEDs with solution processable ZnO nanocrystal electron injection layers

J. W. Stouwdam and R. A. J. Janssen, J. Mater. Chem., 2008, 18, 1889 DOI: 10.1039/B800028J

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