Synthesis, Characterization, and Photophysical and Emission Solvatochromic Study of Rhenium(I) Tetra(isocyano) Diimine Complexes
作者:Chi-Chiu Ko、Jacky Wai-Kit Siu、Apple Wai-Yi Cheung、Shek-Man Yiu
DOI:10.1021/om200074t
日期:2011.5.23
A new series of rhenium(I) tetra(isocyano) diimine complexes ([Re(CNR)4(N–N)]+, where R = 4-IC6H4, 4-BrC6H4, 4-Br-2,6-Me2C6H2, 2,4,6-Cl3C6H2, 2,4,6-Br3C6H2, 2,4-Cl2-6-MeOC6H2 and N–N = bpy, (MeO)2bpy, tBu2bpy, phen, 1-methyl-2-(2′-pyridyl)imidazole) with various isocyanide and diimine ligands of diverse electronic and steric natures has been synthesized and characterized. The X-ray crystal structures
一系列新铼(I)的四(异)二亚胺络合物([重(CNR)4(N-N)] +,其中R = 4-IC 6 ħ 4,4- BRC 6 ħ 4,4- BR- 2,6-ME 2 c ^ 6 ħ 2,2,4,6-氯3 c ^ 6 ħ 2,2,4,6-溴3 c ^ 6 ħ 2,2,4-CL 2 -6-MeOC 6 H ^ 2并且N–N = bpy,(MeO)2 bpy,t Bu 2已合成并表征了具有各种电子和空间性质的各种异氰化物和二亚胺配体的bpy,phen,1-甲基-2-(2'-吡啶基)咪唑)。还确定了四个目标配合物的X射线晶体结构。这些复合物显示出橙色到红色的MLCT(dπ(Re)→π*(N–N))磷光。给定亚微秒溶液的发射寿命,已经进行了纳秒瞬态吸收光谱研究。还报道了这些配合物的发射溶剂化行为和电化学性质及其结构相关性。