Centro di Eccellenza CEMIF.CAL, LASCAMM - CR INSTM, Unità INSTM della Calabria and LiCryl, CNR-INFM - Università della Calabria, I-87036 Arcavacata di Rende (CS), Italy.
Dalton Trans. 2012 Apr 28;41(16):4919-26. doi: 10.1039/c2dt12108e.
Synthesis, crystal structural determination and photophysical properties of a series of heteroleptic cationic cyclometalated iridium(III) derivatives of general formula [(ppy)(2)Ir(en)]X (X = ClO(4)(-) (1), PF(6)(-) (2), Cl(-) (3), BPh(4)(-) (4)), are described. The assembly of the common molecular building block allows to get highly luminescent crystalline materials or to assemble poorly luminescent supramolecular channelled architectures, for which the additional contribution of oxygen quenching effects has been observed. Moreover, the high reproducibility of the preparations of the crystalline materials in their specific crystalline phases, makes the control of the supramolecular organization of photo-active iridium(III) complexes within the crystalline structures a useful synthetic procedure for the construction of highly luminescent materials.
合成、晶体结构测定和光物理性质的一系列杂环阳离子金属铱(III)衍生物的一般公式[(ppy)(2)Ir(en)] X (X = ClO 4 (-) (1)、PF 6 (-) (2)、Cl (-) (3)、BPh 4 (-) (4))，有描述。常见分子构建块的组装允许得到高发光的结晶材料或组装低发光的超分子通道结构，其中观察到氧猝灭效应的额外贡献。此外，结晶材料在其特定结晶相中的高重现性的制备，使得在结晶结构内控制光活性铱(III)配合物的超分子组织成为构建高发光材料的有用合成程序。
