| Tuning the Excited—state Properties of Cyclometalated Platinum（Ⅱ）Complexes of 6—Pheny1—2,2’bipyridine by Ancillary Acetylide Ligand |
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| 引用本文： | 吴梓新 吴骊珠 杨清正 张丽萍 佟振合. Tuning the Excited—state Properties of Cyclometalated Platinum（Ⅱ）Complexes of 6—Pheny1—2,2’bipyridine by Ancillary Acetylide Ligand[J]. 中国化学, 2003, 21(2): 196-199. DOI: 10.1002/cjoc.20030210221 |
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| 作者姓名： | 吴梓新 吴骊珠 杨清正 张丽萍 佟振合 |
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| 作者单位： | ＴechnicalInstituteofPhysicsandChemistry,ChineseAcademyofSciences,Beijing100101,China |
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| 摘 要： | A series of luminescent cyclometalated platinum(Ⅱ）complexes,(C^N^N)Pt(C≡CR)[HC^N^N=4-(4-tolyl)-6-phenyl-2,2’-bipyridine;R=4-chlorophenyl(1),phenyl(2) and 4-tolyl(3)],were synthesized,and their spectroscopic properties have been examined.These complexes are brightly emissive both in fluid solution and in the solid state,attributed to triplet metal-to-ligand charge transfer(^3MLCT)state.The excited state energy can be tuned by ancillary acetylide ligands.The emission lifetimes in dichloromethand solution at room temperature were up to 1.64 μs and the emission quantum yields were in the range of 0.03-0.15.
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| 关 键 词： | 环金属化铂配合物 乙炔化物配基 二吡啶 氯苯基 制备 激发态 光学性质 流动溶液 弱发光 MLCT 金属－配基电子转移 |
Tuning the Excited‐state Properties of Cyclometalated Platinum (II) Complexes of 6‐Phenyl‐2,2′‐bipyridine by Ancillary Acetylide Ligand |
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| Wu Zi‐Xin,Wu Li‐Zhu,Yang Qing‐Zheng,Zhang Li‐Ping,Tung Chen‐Ho. Tuning the Excited‐state Properties of Cyclometalated Platinum (II) Complexes of 6‐Phenyl‐2,2′‐bipyridine by Ancillary Acetylide Ligand[J]. Chinese Journal of Chemistry, 2003, 21(2): 196-199. DOI: 10.1002/cjoc.20030210221 |
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| Authors: | Wu Zi‐Xin Wu Li‐Zhu Yang Qing‐Zheng Zhang Li‐Ping Tung Chen‐Ho |
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| Abstract: | A series of luminescent cyclometalated platinum (II) complexes, (CNN)Pt(CC?) [HCNN = 4‐(4‐tolyl)‐6‐phenyl‐2,2′‐bipyridine; R = 4‐chlorophenyl (1), phenyl (2) and 4‐tolyl (3)], were synthesized, and their spectroscopic properties have been examined. These complexes are brightly emissive both in fluid solution and in the solid state, attributed to triplet metal‐to‐ligand charge transfer (3MLCT) state. The excited state energy can be tuned by ancillary acetylide ligands. The emission lifetimes in dichloro‐methane solution at room temperature were up to 1.64 μs and the emission quantum yields were in the range of 0.03–0.15. |
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| Keywords: | cyclometalated platinum (II) complex acetylide luminescence MLCT (metal‐to‐ligand change transfer) |
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