广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
12期
70-73,102
,共5页
刘芃%俞天智%牛丽霞%康俊丹%梁瑞芝%史彦龙%张成成
劉芃%俞天智%牛麗霞%康俊丹%樑瑞芝%史彥龍%張成成
류봉%유천지%우려하%강준단%량서지%사언룡%장성성
铱(III)配合物%β-二酮配体%光致发光%电致发光
銥(III)配閤物%β-二酮配體%光緻髮光%電緻髮光
의(III)배합물%β-이동배체%광치발광%전치발광
Iridium( III) complex%β-Diketonate ligand%photoluminescence%electroluminescence
两个含有载流子β-二酮配体的新型铱配合物被成功合成。分别为Ir(L)2(acac-Ox)和Ir(L)2(acac-Cz)。其中L=3-(2-吡啶)香豆素环金属铱配合物, acac-Ox=3-(4-(5-(4'-叔丁基苯基)-1,3,4-噁二唑)苄基)-戊二酮, acac-Cz=3-((4-(9-咔唑-)苯基)甲基)戊烷-2,4-戊二酮,并且通过了核磁,紫外等数据分析。配合物的光物理性质采用紫外-可见,光致发光光谱分析研究。配合物acac-Cz做成的器件,在9%的参杂浓度下器件的发光效率效果最佳。配合物acac-Ox当参杂浓度为6%时,器件的发光效率最佳。通过对器件发光性能的比较, acac-Cz通过引入咔唑空穴传输基团提高了器件的性能。它们都是很好的绿光发光材料。
兩箇含有載流子β-二酮配體的新型銥配閤物被成功閤成。分彆為Ir(L)2(acac-Ox)和Ir(L)2(acac-Cz)。其中L=3-(2-吡啶)香豆素環金屬銥配閤物, acac-Ox=3-(4-(5-(4'-叔丁基苯基)-1,3,4-噁二唑)芐基)-戊二酮, acac-Cz=3-((4-(9-咔唑-)苯基)甲基)戊烷-2,4-戊二酮,併且通過瞭覈磁,紫外等數據分析。配閤物的光物理性質採用紫外-可見,光緻髮光光譜分析研究。配閤物acac-Cz做成的器件,在9%的參雜濃度下器件的髮光效率效果最佳。配閤物acac-Ox噹參雜濃度為6%時,器件的髮光效率最佳。通過對器件髮光性能的比較, acac-Cz通過引入咔唑空穴傳輸基糰提高瞭器件的性能。它們都是很好的綠光髮光材料。
량개함유재류자β-이동배체적신형의배합물피성공합성。분별위Ir(L)2(acac-Ox)화Ir(L)2(acac-Cz)。기중L=3-(2-필정)향두소배금속의배합물, acac-Ox=3-(4-(5-(4'-숙정기분기)-1,3,4-오이서)변기)-무이동, acac-Cz=3-((4-(9-잡서-)분기)갑기)무완-2,4-무이동,병차통과료핵자,자외등수거분석。배합물적광물이성질채용자외-가견,광치발광광보분석연구。배합물acac-Cz주성적기건,재9%적삼잡농도하기건적발광효솔효과최가。배합물acac-Ox당삼잡농도위6%시,기건적발광효솔최가。통과대기건발광성능적비교, acac-Cz통과인입잡서공혈전수기단제고료기건적성능。타문도시흔호적록광발광재료。
Two new iridium complexes containing carrier β-diketone ligands were successfully synthesized , namely Ir(L)2(acac-Ox) and Ir(L)2(acac-Cz), in which L=3-(pyridin-2-yl)coumarinatoringmetaliridiumcomplexes , acac-Ox=3-(4-(5-(4′-tertbutylphenyl) -1,3,4-oxadiazole)benzyl) -pentane-2,4-dionateandacac -Cz=3-((4 -(9H -carbazol -9 -yl) phenyl) methyl) pentane -2,4 -dionate, and were successfully synthesized and characterized by elemental analysis , 1 H NMR and FT-IR.Photophysical properties of complexes using UV -visible , photoluminescence spectroscopy were studied.The devices based on Ir ( L ) 2 ( acac -Cz ) with 9%(ω) doping concentration showed the best EL efficiency performance , and emits green light.The devices based on Ir(L)2(acac-Ox) with 6%(ω) doping concentration showed the best EL efficiency performance acac -Cz by introducing a carbazolyl group to improve the hole transport properties of the device.