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Synthesis and characterization of red-emission PPV copolymers containing fluorenone unit
  • 时间:0
  • 分类:O632.13[理学—高分子化学;理学—化学] X703[环境科学与工程—环境工程]
  • 作者机构:[1]School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China, [2]State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China, [3]Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  • 相关基金:Projects(50803074, 50633050) supported by the National Natural Science Foundation of China; Project supported by the Opening Fund of State Key Laboratory of Powder Metallurgy and Start-up Fund of Central South University, China
中文摘要:

fluorenone 和 dioctoxylbenzene 或蒽(PFNAn )(PFN ) 的二可溶的共聚物被综合通过哎呀聚合,并且被胶化浸透描绘层析(GPC ) ,英尺红外, 1H-NMR,元素的分析和 thermogravimetric 分析。聚合物与发作分解温度在普通器官的溶剂和高热稳定性拥有好溶解度在比 410 潲敶 ? 桷湥挠湯瑳畲瑣湩 ? ?灰牯 ? 敶瑣牯洠捡楨敮 ? 噓?洠摯汥 高

英文摘要:

Two soluble copolymers of fluorenone and dioctoxylbenzene (PFN) or anthracene (PFNAn) were synthesized through Heck polymerization, and were characterized by gel permeation chromatography (GPC), FT-IR, IH-NMR, elemental analysis and thermogravimetric analysis. The polymers possess good solubility in common organic solvents and high thermal stability with the Onset decomposition temperature at higher than 410 ℃. The photophysical properties of the polymers were investigated in both solutions and spin-coated films. Cyclic voltammetry results revealed that the copolymers possess higher electron affinity and reversible reduction/re-oxidation processes. Their electroluminescent properties were further investigated. PFN and PFNAn show stable and saturated red light emission with high thermal stability and high electron injection ability. This type of conjugated polymers may be promising for the applications as electron acceptors in polymer photovoltaic cells and electron transporting materials.

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