双[2-(对甲苯基)吡啶]乙酰丙酮合铱的合成及结构表征

Synthesis and Characterization of [2-(p-tolyl)pyridine]_2Ir(Ⅲ)(acetylacetonate)

以水合三氯化铱为原料,2-(对甲苯基)吡啶作环金属配体、乙酰丙酮作辅助配体合成了双[2-(对甲苯基)吡啶]乙酰丙酮合铱[(tpy)2Ir(acac)],通过质谱、氢谱、X射线单晶衍射分析表征手段确证了其分子结构。通过紫外可见光谱和光致发光光谱分析,研究了该配合物的光物理性能,在410和461 nm处有单重态和三重态吸收,在516 nm处有较强的绿光发射,表明该配合物是一种绿光材料。

（tpy）2Ir（acac） was synthesized by the reactions of iridium chloride hydrate as the raw material, 2-（p-tolyl）pyridine as the cyclometallated ligand and acetylacetone as the auxiliary ligand, and the resulting complex was characterized by MS, ^1H-NMR and single crystalline XRD. The absorption and emission spectra of the complex were measured to evaluate its photophysical properties. ^1MLCT and 3MLCT absorptions occured at 410 and 461 nm, respectively, and a stronger photoluminescence appeared at 516 nm, indicating that this complex is a green material.