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1. 太原理工大学新材料界面科学与工程教育部重点实验室,山西 太原,030024
2. 南京邮电大学有机电子与信息显示国家重点实验室培育基地信息材料与纳米技术研究院,江苏 南京,210046
3. 太原理工大学 材料科学与工程学院, 山西 太原 030024
纸质出版日期:2020-1-5,
网络出版日期:2019-9-16,
收稿日期:2019-8-6,
修回日期:2019-9-10,
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贾钧森, 王飞, 赵波等. D-π-A-π-D型小分子红光材料的制备及其性能[J]. 发光学报, 2020,41(1): 9-15
JIA Jun-sen, WANG Fei, ZHAO Bo etc. Design, Synthesis and Properties of D-π-A-π-D Type Organic Red Light Luminogens[J]. Chinese Journal of Luminescence, 2020,41(1): 9-15
贾钧森, 王飞, 赵波等. D-π-A-π-D型小分子红光材料的制备及其性能[J]. 发光学报, 2020,41(1): 9-15 DOI: 10.3788/fgxb20204101.0009.
JIA Jun-sen, WANG Fei, ZHAO Bo etc. Design, Synthesis and Properties of D-π-A-π-D Type Organic Red Light Luminogens[J]. Chinese Journal of Luminescence, 2020,41(1): 9-15 DOI: 10.3788/fgxb20204101.0009.
开发新型有机红光材料对于制备高性能红光有机电致发光器件具有重要的研究意义。本文采用SUZUKI偶联反应,以芴酮为受体(A)、3,4,5-三甲氧基苯为给体(D)合成了新型D--A--D结构的有机红光材料(3MeFO)。通过
1
H NMR谱、
13
C NMR谱和X单晶衍射确认了分子结构,该化合物展示了较强的电荷转移作用和良好的共轭结构,其晶体的发射峰达到620 nm。从单晶结构中看出甲氧基的引入有利于在分子间形成大量的氢键,有效地增强了分子间的相互作用。同时,该材料表现出良好的热稳定性能和电化学性能,使得其在OLED中展示了良好的电致发光性能。
To develop a novel red light luminescent material was important to prepare the high-efficiency organic light emitting devices. In this paper
a new kind of D--A--D red light luminogen utilizing fluorenone as acceptor and 3
4
5-trimethoxybenzene as donor was designed and synthesized
named 3MeFO. Its structure was confirmed by the
1
H NMR spectra
13
C NMR spectra and X-ray single crystal diffraction. The compound had strong charge transfer and -conjugated structure that contributed to the red shift and the PL peak of crystal was located at 620 nm. From the single crystal analysis
the introduction of methoxy groups had increased the intermolecular interaction owing to the formation of the hydrogen bond. Meanwhile
the compound exhibited excellent thermal stability properties
electrochemical performance that were benefit to prepare the OLED with the considerable electroluminescent properties.
有机红光材料D-&pi-A-&pi-D结构分子聚集态OLED
organic red light luminogensD-&pi-A-&pi-Dmolecular aggregationOLED
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YUAN M S,WANG D E,XUE P C,et al.. Fluorenone organic crystals:two-color luminescence switching and reversible phase transformations between - stacking-directed packing and hydrogen bond-directed packing[J]. Chem. Mater., 2014,26(7):2467-2477.
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BIAN L F,SHI H F,WANG X,et al.. Simultaneously enhancing efficiency and lifetime of ultralong organic phosphorescence materials by molecular self-assembly[J]. J. Am. Chem. Soc., 2018,140(34):10734-10739.
SUN J,ZHANG T M,LIAO X Q,et al.. A novel luminophor and host polymer from fluorene-carbazole derivatives for preparing solution-processed non-doped blue and closed-white light devices[J]. Tetrahedron, 2018,74(10):1053-1058.
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