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Wiley, Chemistry - A European Journal, 4(28), 2021

DOI: 10.1002/chem.202103202

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Efficient Pyrazolo[5,4‐f]quinoxaline Functionalized Os(II) Based Emitter with an Electroluminescence Peak Maximum at 811 nm

Journal article published in 2021 by Ze‐Lin Zhu ORCID, Sheng‐Fu Wang, Li‐Wen Fu, Ji‐Hua Tan, Chen Cao, Yi Yuan, Shek‐Man Yiu, Ye‐Xin Zhang, Yun Chi, Chun‐Sing Lee ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

AbstractUpon fusing the pyrazinyl pyrazole entity in giving pyrazolo[3,4‐f]quinoxaline chelate, the corresponding Os(II) based NIR emitter exhibited “invisible” and efficient electroluminescence with a peak maximum at 811 nm. A maximum external quantum efficiency of 0.97 % and a suppressed efficiency roll‐off till a current density of 300 mA cm−2 was also exhibited.