The synthesis and photophysics of tris-heteroleptic cyclometalated iridium complexes
The synthesis and photophysics of tris-heteroleptic cyclometalated iridium complexes
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DOI：
10.1039/c1dt10619h
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发表时间：
2011-01-01
影响因子：
4
通讯作者：
Beeby, Andrew
中科院分区：
文献类型：
--
作者：
Edkins, Robert M.;Wriglesworth, Alisdair;Beeby, Andrew
本文报道了通式为IrLL '（acac）的三杂配体配合物的合成和电子物理研究，其中L和L'是两个不同取代的2-苯基吡啶（ppyH），acacH是2，4-戊二酮，使用可用于许多配体组合的组合方法。的tris-heteroleptic配合物和类似的bis-heteroleptic配合物的形式IrL 2（acac）已被研究的吸收和光致发光光谱的结合与建模DFT和TD-DFT阐明的性质和位置的激发态的新物种。
Herein we report the synthesis and photophysical study of tris-heteroleptic complexes of the general formula IrLL'(acac), where L and L' are two differently substituted 2-phenylpyridines (ppyH) and acacH is 2,4-pentanedione, using a combinatorial approach that could be employed for many ligand combinations. The tris-heteroleptic complexes and the analogous bis-heteroleptic complexes of the form IrL2(acac) have been studied by a combination of absorption and photoluminescence spectroscopies in conjunction with modelling by DFT and TD-DFT to elucidate the nature and location of the excited state in the novel species.