16 February 2004 Conjugated dendrimers: a modular approach to materials for full-color displays
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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.
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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, "Conjugated dendrimers: a modular approach to materials for full-color displays", Proc. SPIE 5214, Organic Light-Emitting Materials and Devices VII, (16 February 2004); doi: 10.1117/12.512062; https://doi.org/10.1117/12.512062
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