Highly Efficient Green Solution Processable Organic Light-Emitting Diodes Based on a Phosphorescent κ3‑(N^C^C)Gold(III)-Alkynyl Complex

Highly Efficient Green Solution Processable Organic Light-Emitting Diodes Based on a Phosphorescent κ3‑(N^C^C)Gold(III)-Alkynyl Complex

Gold­(III) complexes are emerging as promising phosphorescent emitters for high-efficiency organic light-emitting diodes (OLEDs). However, despite recent advances in the coordination and organometallic chemistry of gold, only few compounds have been successful in high-performance devices. Here, we d...

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Bibliographic Details
Published in:Chemistry of materials Vol. 32; no. 4; pp. 1605 - 1611
Main Authors: Beucher, Hélène, Kumar, Sudhir, Merino, Estíbaliz, Hu, Wei-Hsu, Stemmler, Gerrit, Cuesta-Galisteo, Sergio, González, Jorge A, Jagielski, Jakub, Shih, Chih-Jen, Nevado, Cristina
Format: Journal Article
Language:English
Published: American Chemical Society 25-02-2020
Online Access:Get full text
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Summary:Gold­(III) complexes are emerging as promising phosphorescent emitters for high-efficiency organic light-emitting diodes (OLEDs). However, despite recent advances in the coordination and organometallic chemistry of gold, only few compounds have been successful in high-performance devices. Here, we disclose the synthesis of a new phosphorescent κ3-(N^C^C)-aminophenylalkynyl-N,N′-bisfluorenyl-Au­(III) complex which exhibits a current efficiency (ηCE) of 56.4 cd A–1 and an external quantum efficiency (ηext) of 16.2% in solution processable OLED devices. Our findings establish a new branch of gold­(III)-alkyne compounds with remarkable electroluminescent performance for potential application in highly efficient OLEDs.
ISSN:0897-4756
1520-5002
DOI:10.1021/acs.chemmater.9b04990