AI Article Synopsis
- A new green fluorescent dopant called C-545P has been created by adding five "methyl" spacers to its structure for enhanced performance.
- C-545P exhibits excellent thermal stability and photostability, which are important for its application in devices.
- When used in OLED devices with an Alq(3) host, C-545P shows better luminance efficiency and less concentration quenching compared to the older C-545T dopant, especially at doping levels of 1 to 2%.
Article Abstract
We have synthesized a new green fluorescent dopant C-545P having incorporated five strategically placed "methyl" steric spacers on the julolidyl ring system. C-545P has good thermal properties and photostability, and when fabricated as a dopant in an Alq(3)-hosted OLED device, it shows notable improvement in luminance efficiency and is more resistant to concentration quenching than C-545T, particularly in the doping concentration range between 1 and 2% v/v, while achieving comparable device stability. [structure: see text]
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| http://dx.doi.org/10.1021/ol049903d | DOI Listing |
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