设计与合成了一个新颖的以二(2-二苯基磷基)苯基醚(POP)为辅助配体、2-苯基吡啶(PPY)为第一配体的蓝色磷光铱配合物[Ir(ppy)2(POP)]PF6.配合物[Ir(ppy)2(POP)]PF6的晶体结构表明金属铱采取扭曲的八面体配位构型,C,C原子采取顺式构象,N,N原子采取反式构象.配合物在聚集态下展示了明亮的蓝光发射,发射主峰位于490 nm,在464 nm处有一个小的肩峰;此外,400 nm处有一个弱的发射带,通过测试配合物的激发态寿命和密度泛函理论计算,该发射是来自于配体的T1→S0的跃迁,属于荧光;而490 nm处的发射则属磷光.
参考文献
[1] | Yang CH;Fang KH;Chen CH;Sun IW .High efficiency mer-iridium complexes for organic light-emitting diodes[J].Chemical communications,2004(19):2232-2233. |
[2] | Wong WY;Zhou GJ;Yu XM;Kwok HS;Lin ZY .Efficient organic light-emitting diodes based on sublimable charged iridium phosphorescent emitters[J].Advanced functional materials,2007(2):315-323. |
[3] | Ying, L;Zou, JH;Yang, W;Wu, HB;Zhang, AQ;Wu, ZL;Cao, Y .Novel Red Light-Emitting Fluorene-alt-Carbazole Copolymers with Carbazole N-Graft Cyclometalated Ir Complexes[J].Macromolecular chemistry and physics,2009(6):457-466. |
[4] | McCormick T;Jia WL;Wang SN .Phosphorescent Cu(I) complexes of 2-(2 '-pyridylbenzimidazolyl)benzene: Impact of phosphine ancillary ligands on electronic and photophysical properties of the Cu(I) complexes[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2006(1):147-155. |
[5] | Liming Zhang;Bin Li .Room-Temperature Pure Blue-Emitting Phosphorescent Multinuclear Cu(I)-Based Emitters[J].Journal of the Electrochemical Society,2009(7):174-178. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%