High-efficiency polymer light-emitting devices with robust phosphorescent platinum(II) emitters containing tetradentate dianionic O^N^C^N ligands.

Cheng, Gang; Chow, Pui-Keong; Kui, Steven C F; Kwok, Chi-Chung; Che, Chi-Ming · Adv Mater · 2013

basic_science · Level V

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Abstract

[Pt(O(∧) N(∧) C(∧) N)]-type complexes are used as single emitters in solution-processed PLEDs with maximum EQEs of 15.55% for green and 12.73% for white devices, which are the highest values ever achieved for PLEDs based on Pt(ii) complexes.