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| 蓝光材料FIrpic的合成、结构表征及光物理性能测试 |
| Synthesis, Characterization and Light-physical Property of Bis(4,6-difluorophenyl-pyridine)(picolinate)iridium(III) |
| 投稿时间：2014-04-28 |
| DOI： |
| 中文关键词: 有机化学 磷光材料 FIrpic 批量合成 结构 光物理性能 |
| 英文关键词: organic chemistry photoluminescence material bis(4,6-difluorophenyl-pyridine)- (picolinate)iridium(III) batch production structure light-physical property |
| 基金项目:国家院所技术开发专项(2013EG115008)、云南省院所技术开发专项(2012CF003)、云锡科技计划项目(2012-57A)。 |
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| 中文摘要: |
| 以水合三氯化铱和dfppy为原料，在乙二醇单乙醚溶剂中反应得氯桥二聚体(dfppy)2Ir(μ- Cl2)Ir(dfppy)2，然后在碱性条件下与2-吡啶甲酸反应合成出FIrpic。通过核磁共振谱 (1HNMR、13CNMR)、质谱、红外光谱和单晶X射线衍射等确定了分子结构，高效液相色谱法(HPLC)测试了纯度，利用紫外-可见吸收光谱和光致发光光谱对其光物理性能进行了测试。结果表明:FIrpic为电中性八面体配合物，在476 nm处出现了较强的蓝光发射，其合成产率大于90%，纯度为99.22%，该方法适于FIrpic的批量制备。 |
| 英文摘要: |
| A new chemical technique was developed for batch synthesis of bis(4,6-difluorophenyl- pyridine)(picolinate)iridium(III), an organometallic light-emitting molecule for OLED. The process involves cycometalation of IrCl3.nH2O with 2-(2,4-difluorophenyl)pyridine and cleavage of chloride- bridged dimer by 2-pyridinecarboxylic acid to produce the desired compound in a 20~30 gram batch scale. The yield was more than 90%, and the purity was determined by HPLC to be 99.22%. The chemical structure of bis(4,6-difluorophenyl-pyridine)(picolinate)iridium(III) was verified by NMR (1H and 13C), MS and FT-IR along with single crystal X-ray diffraction data. The synthesized FIrpic is an electrically neutral octahedral complex. A strong blue-emission at 476 nm was observed in ultraviolet- visible and photoluminescence absorption spectra of the compound. |
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