Journal
CHEMISTRY OF MATERIALS
Volume 32, Issue 4, Pages 1605-1611Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.9b04990
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Funding
- European Research Council (ERC) [307948]
- Swiss National Science Foundation (SNF) [200020-146853]
- SNF [200021178944]
- ETH Zurich
- Swiss National Science Foundation (SNF) [200020_146853] Funding Source: Swiss National Science Foundation (SNF)
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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 kappa(3)-(N boolean AND C boolean AND C)-aminophenylalkynyl-N,N'-bisfluorenyl-Au (III) complex which exhibits a current efficiency (eta(CE)) of 56.4 cd A(-1) and an external quantum efficiency (eta(ext)) 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.
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