PHC matrices used in red and green PhOLEDs: initial results
PHC host materials for simplified PhOLED devices
Research and innovation REF: IN411 V1
PHC matrices used in red and green PhOLEDs: initial results
PHC host materials for simplified PhOLED devices

Authors : Cyril PORIEL, Joëlle RAULT-BERTHELOT

Publication date: March 10, 2024 | Lire en français

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2. PHC matrices used in red and green PhOLEDs: initial results

The first two examples of PHC host matrices were presented by Wong's group in 2005. . PHC1 and PHC2 (figure 3 ) are both matrices based on fluorene dimers (bridged biphenyl) and/or 9,9′-spirobifluorene (9,9′-SBF). In these two matrices, the π-conjugation extends over a fluorene dimer (linked in the 2 and 2′ positions), resulting in a similar triplet state energy level for both matrices and low in...

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