期刊
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
卷 8, 期 6, 页码 R84-R87出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0161906jss
关键词
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资金
- Northumbria University
- Spanish Ministry of Economy and Competitiveness (MINECO) via the Unidad de Excelencia Maria de Maeztu [MDM-2015-0538, MAT2017-88821-R, PCIN-2015-255]
- GeneralitatValenciana [Prometeo/2016/135]
A rigid dinuclear Ir(III) complex showing high photoluminescence quantum yield in pure films was successfully used to fabricate light-emitting electrochemical cells with and without ionic liquid additives. The devices showed nearly instantaneous electroluminescence after biasing and maximum quantum yield approaching 1%. The lifetime of the devices was found to be limited to approximately 20 hours, which we correlated with the irreversible oxidation of the complex as seen from electrochemical measurements. This work validates the use of highly luminescent dinuclear iridium complexes in light-emitting electrochemical cells. Future studies will pursue materials with more efficient photoluminescence as well as improved electrochemical stability. (c) 2019 The Electrochemical Society.
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