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Proceedings Paper

Conjugated dendrimers: a modular approach to materials for full-color displays
Author(s): Jonathan PJ Markham; Thomas D. Anthopoulos; Ebinazar B. Namdas; Shih-Chun Lo; Gary J. Richards; Michael J. Frampton; Oleg V. Salata; Paul L Burn; Ifor DW Samuel
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Paper Abstract

Conjugated dendrimers provide an excellent molecular architecture for tuning material properties for organic light emitting diodes. Here we demonstrate a modular approach allowing highly efficient fluorescent and phosphorescent emissive chromophores to be used to make red, green and blue solution-processed light emitting diodes. The choice of a common dendritic architecture ensures good solubility and film forming properties irrespective of the choice of core unit. In addition, this architecture allows blending of dendrimers with different cores without phase separation. We show that blending provides a simple but powerful way of tuning the color of dendrimer LEDs from deep blue to blue-green, and from green to red with little impact on the device properties.

Paper Details

Date Published: 16 February 2004
PDF: 7 pages
Proc. SPIE 5214, Organic Light-Emitting Materials and Devices VII, (16 February 2004); doi: 10.1117/12.512062
Show Author Affiliations
Jonathan PJ Markham, Univ. of St. Andrews (United Kingdom)
Thomas D. Anthopoulos, Univ. of St. Andrews (United Kingdom)
Ebinazar B. Namdas, Univ. of St. Andrews (United Kingdom)
Shih-Chun Lo, Univ. of Oxford (United Kingdom)
Gary J. Richards, Univ. of Oxford (United Kingdom)
Michael J. Frampton, Univ. of Oxford (United Kingdom)
Oleg V. Salata, Univ. of Oxford (United Kingdom)
Paul L Burn, Univ. of Oxford (United Kingdom)
Ifor DW Samuel, Univ. of St. Andrews (United Kingdom)

Published in SPIE Proceedings Vol. 5214:
Organic Light-Emitting Materials and Devices VII
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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