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In Search of Deeper Blues: Trans-N-Heterocyclic Carbene Platinum Phenylacetylide as a Dopant for Phosphorescent OLEDs
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-11-16 00:00:00 , DOI: 10.1021/acsami.7b12107
James D. Bullock 1 , Amin Salehi , Charles J. Zeman 1 , Khalil A. Abboud 1 , Franky So , Kirk S. Schanze 2
Affiliation  

A trans-N-heterocyclic carbene (NHC) platinum(II) acetylide complex bearing phenyl acetylene ligands (NPtPE1) has been synthesized via the Hagihara reaction in 64% yield. The complex features spectrally narrow deep blue emission with a phosphorescence quantum yield (0.30) and lifetime (∼10 μs) in the solid state. The modest quantum yield and lifetime make NPtPE1 a candidate for incorporation into an organic light emitting diode (OLED). Prototype devices exhibited a maximum EQE of 8% with CIE (0.20,0.20). To the best of our knowledge, this is the first example of a platinum(II) acetylide bearing NHC ligands to be incorporated into an OLED.

中文翻译:

寻找更深的蓝调:反式-N-杂环碳白金苯乙炔化物作为磷光OLED的掺杂剂

通过Ha原反应,以64%的产率合成了带有苯基乙炔配体(NPtPE1)的反式-N-杂环卡宾(NHC)铂(II)乙炔化物络合物。该配合物具有光谱窄的深蓝色发射,在固态下具有磷光量子产率(0.30)和寿命(〜10μs)。适中的量子产率和寿命使NPtPE1成为掺入有机发光二极管(OLED)的候选材料。原型设备在CIE(0.20,0.20)下的最大EQE为8%。据我们所知,这是第一个带有NHC配体的乙二酸铂(II)掺入OLED的例子。
更新日期:2017-11-17
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