Synthesis, Photophysical Properties, and Molecular Aggregation of Gold(I) Complexes Containing Carbon-Donor Ligands
作者:Andy Lok-Fung Chow、Man-Ho So、Wei Lu、Nianyong Zhu、Chi-Ming Che
DOI:10.1002/asia.201000499
日期:2011.2.1
A series of gold(I) complexes with N‐heterocyclic carbene (NHC) and acetylide ligands, namely [Au(NHC1)(C≡CAr)] (NHC1=1‐(9‐anthracenylmethyl)‐3‐(n)‐butylimidazol‐2‐ylidene; 1 b–1 g), [Au(NHC2)(C≡CAr)] (NHC2=1,3‐diethylimidazol‐2‐ylidene; 2 b–2 f) and [Au(C≡NAr)2]+ (C≡NAr=arylisocyanide; 3 a–3 f) have been synthesized. At room temperature, most of these gold(I) complexes are emissive in the solid state
一系列具有N-杂环卡宾(NHC)和乙炔配体的金(I)配合物,即[Au(NHC 1)(C≡CAr)](NHC 1 = 1-(9-蒽基甲基)-3-(n) -丁基咪唑-2-亚基; 1 b – 1 g),[Au(NHC 2)(C≡CAr)](NHC 2 = 1,3-二乙基咪唑-2-亚基; 2 b – 2 f)和[Au( C≡NAr)2 ] +(C≡NAr=芳基异氰化物;3 a – 3 f)已经合成。在室温下,这些金(I)络合物中的大多数在固态和溶液中以纳秒至亚微秒范围内的寿命发射。络合物的排放1 b– 1 g溶液分配给NHC配体的1 π–π *激发态,而2 b – 2 f和3 a – 3 f的激发态本质上是磷光的。还研究了复杂的复合物3a的溶剂变色现象。配合物1b中,1 d,3,和3e的聚集成结晶纳米线在新鲜制备的THF /水分散体。的X射线晶体学数据表明,图1b和1 d具有分子间π-π和C H⋅⋅⋅π相互作用;