| 红色磷光喹喔啉铂(II)配合物及其有机电致发光器件的制备 |
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| 引用本文： | 张国林,啜玉涛,郭海清,邹德春. 红色磷光喹喔啉铂(II)配合物及其有机电致发光器件的制备[J]. 物理化学学报, 2005, 21(12): 1407-1410. DOI: 10.3866/PKU.WHXB20051216 |
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| 作者姓名： | 张国林 啜玉涛 郭海清 邹德春 |
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| 作者单位： | State Key Laboratory of Rare Earth Materials Chemistry and Application;2.Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871;3.School of Chemical Science and Engineering, Liaoning University, Shenyang 110036 |
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| 基金项目： | 国家863（2002AA324080）、国家自然科学基金（90401028,20474003）和973（2002CB613405）资助项目 |
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| 摘 要： | 利用2,3-二苯基喹喔啉和氯亚铂酸钾(K2PtCl4)反应, 合成了一种新型喹喔啉铂的配合物(DPQ)Pt(acac), 通过元素分析, 1H NMR测定对配合物结构进行了表征, 结果显示得到的是目标化合物. 利用紫外光谱和荧光光谱对配合物进行了研究. 利用该材料作为磷光染料制备了结构为ITO/NPB (21 nm) /NPB∶7%(DPQ)Pt(acac) (17.5 nm) /BCP (7 nm)/ Alq3 (21 nm)/ Mg∶Ag(10∶1)(120 nm)/Ag(10 nm)的有机电致发光器件(OLED). 结果表明, 该配合物在442和485 nm处存在单重态1MLCT(金属到配体的电荷跃迁)和三重态3MLCT的吸收峰; 在632 nm 处有较强的金属配合物三重态的磷光发射; 该器件的启动电压是5.0 V, 器件的最大亮度为1516 cd·m-2, 外量子效率为0.66%, 流明效率为0.26 lm·W-1, 是一种红色磷光材料.
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| 关 键 词： | 磷光材料 重金属配合物 三重态 喹喔啉铂(II) OLED |
| 收稿时间： | 2005-04-20 |
| 修稿时间： | 2005-06-06 |
Synthesis and Electrophosphorescence of a Red Platinum (Ⅱ) Quinoxaline Complex |
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| ZHANG,Guo-Lin,CHUAI,Yu-Tao,GUO,Hai-Qing,ZOU,De-Chun. Synthesis and Electrophosphorescence of a Red Platinum (Ⅱ) Quinoxaline Complex[J]. Acta Physico-Chimica Sinica, 2005, 21(12): 1407-1410. DOI: 10.3866/PKU.WHXB20051216 |
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| Authors: | ZHANG Guo-Lin CHUAI Yu-Tao GUO Hai-Qing ZOU De-Chun |
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| Affiliation: | State Key Laboratory of Rare Earth Materials Chemistry and Application;2.Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871;3.School of Chemical Science and Engineering, Liaoning University, Shenyang 110036 |
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| Abstract: | The synthesis and luminescence study of a new platinum quinoxaline complex are reported. The complex, [(DPQ)Pt(acac)](DPQ=2, 3-diphenylquinoxaline, acac=2, 4-pentanedione) was synthesized by reaction of 2, 3-diphenylquinoxaline with K2PtCl4 and shows strong 1MLCT (singlet metal to ligand charge-transfer) and 3MLCT (triplet metal to ligand charge-transfer) absorption at 442 and 485 nm, respectively. Organic light emitting diode (OLED) with a configuration of [ITO/NPB(21 nm) /NPB∶7% (DPQ)Pt(acac)(17.5 nm) /BCP(7 nm)/ Alq3(21 nm)/ Mg∶Ag(10∶1)(120 nm)/Ag(10 nm)] (ITO: indium tin oxide; NPB: 4,4′-bis[N-(1-naphthyl)-N-phenyl-amino] biphenyl; BCP: 2, 9-dimethyl-4, 7-diphenyl-1, 10-phenanthroline; Alq3: tris(8-hydroxyquinoline) aluminum) shows a red emission at 632 nm with an external quantum efficiency of 0.66% at 7.2 V and brightness of 1516 cd·m-2 at 21 V. The power efficiency of the device was 0. 26 lm·W-1 at 7.2 V. |
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| Keywords: | Photoluminescence Heavy metal complex Triplet Platinum (II) quinoxaline OLED |
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