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Journal of Applied Physics / Volume 108 / Issue 4 / ARTICLES / Lasers, Optics, and Optoelectronics

J. Appl. Phys. 108, 043103 (2010); http://dx.doi.org/10.1063/1.3475473 (5 pages)

ZnO-organic hybrid white light emitting diodes grown on flexible plastic using low temperature aqueous chemical method

N. Bano, S. Zaman, A. Zainelabdin, S. Hussain, I. Hussain, O. Nur, and M. Willander

Department of Science and Technology, Campus Norrköping, Linköping University, SE-60174 Norrköping, Sweden

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(Received 6 May 2010; accepted 3 July 2010; published online 19 August 2010)

We demonstrate white light luminescence from ZnO-organic hybrid light emitting diodes grown at 90 °C on flexible plastic substrate by aqueous chemical growth. The configuration used for the ZnO-organic hybrid white light emitting diodes (WLEDs) consists of a layer of poly (9, 9-dioctylfluorene) (PFO) on poly (3, 4-ethylenedioxythiophene) poly (styrenesulfonate) coated plastic with top ZnO nanorods. Structural, electrical, and optical properties of these WLEDs were measured and analyzed. Room temperature electroluminescence spectrum reveals a broad emission band covering the range from 420 to 750 nm. In order to distinguish the white light components and contribution of the PFO layer we used a Gaussian function to simulate the experimental data. Color coordinates measurement of the WLED reveals that the emitted light has a white impression. The color rendering index and correlated color temperature of the WLED were calculated to be 68 and 5800 K, respectively.

© 2010 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL DETAILS
  3. RESULTS AND DISCUSSION
  4. CONCLUSION

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KEYWORDS and PACS

Keywords

electroluminescence, Gaussian processes, II-VI semiconductors, infrared spectra, nanorods, organic light emitting diodes, polymers, semiconductor growth, semiconductor thin films, visible spectra, zinc compounds

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3475473

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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