ortho-, meta-, and para-Dihydroindenofluorene Derivatives as Host Materials for Phosphorescent OLEDs. - Archive ouverte HAL Access content directly
Journal Articles Angewandte Chemie International Edition Year : 2015

ortho-, meta-, and para-Dihydroindenofluorene Derivatives as Host Materials for Phosphorescent OLEDs.

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Abstract

This work reports the first structure-properties relationship study of ortho [2,1-c]-, meta [1,2-a]-, and para [1,2-b]dihydroindenofluorenes, highlighting the influence of bridge rigidification on the electronic properties. This study has made it possible to devise an extended π-conjugated molecule with both a high triplet state energy level and excellent thermal and morphological stability. As a proof of concept, dihydroindenofluorenes were used as the host in sky-blue phosphorescent organic light-emitting diodes (PhOLEDs) with high performance.

Dates and versions

hal-01117414 , version 1 (17-02-2015)

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Maxime Romain, Sébastien Thiery, Anna Shirinskaya, Céline Declairieux, Denis Tondelier, et al.. ortho-, meta-, and para-Dihydroindenofluorene Derivatives as Host Materials for Phosphorescent OLEDs.. Angewandte Chemie International Edition, 2015, 54 (4), pp.1176-80. ⟨10.1002/anie.201409479⟩. ⟨hal-01117414⟩
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