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1. 上海大学材料科学与工程学院 高分子材料系 上海,200072
2. 上海大学材料科学与工程学院 材料研究所 上海,200072
3. 华东师范大学 纳米光电集成与先进装备教育部工程研究中心, 上海 200062
收稿日期:2011-09-12,
修回日期:2011-10-14,
网络出版日期:2012-01-10,
纸质出版日期:2012-01-10
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朱棣, 贺英, 潘照东, 张瑶斐, 陈杰, 孙卓, 王均安. 聚芴类发光材料的制备及其在柔性电致发光器件的应用[J]. 发光学报, 2012,33(1): 17-20
ZHU Di, HE Ying, PAN Zhao-dong, ZHANG Yao-fei, CHEN Jie, SUN Zhuo, WANG Jun-an. Synthesis of The Polyfluorene Luminescent Material and Its Application in Flexible Polymer Light-emitting Diode[J]. 发光学报, 2012,33(1): 17-20
朱棣, 贺英, 潘照东, 张瑶斐, 陈杰, 孙卓, 王均安. 聚芴类发光材料的制备及其在柔性电致发光器件的应用[J]. 发光学报, 2012,33(1): 17-20 DOI: 10.3788/fgxb20123301.0017.
ZHU Di, HE Ying, PAN Zhao-dong, ZHANG Yao-fei, CHEN Jie, SUN Zhuo, WANG Jun-an. Synthesis of The Polyfluorene Luminescent Material and Its Application in Flexible Polymer Light-emitting Diode[J]. 发光学报, 2012,33(1): 17-20 DOI: 10.3788/fgxb20123301.0017.
通过Heck反应合成了PFO/PPV共聚物
采用FT-IR、
1
H NMR、TGA等对共聚物结构进行了表征
其重均分子量为4 400
分子量分布为1.2。共聚物具有良好的热稳定性
在室温到700 ℃范围内只有一次明显的失重
初始分解温度为280 ℃
在350~450 ℃之间失重约50%。
E
HOMO
/
E
LUMO
、
E
g
分别为-6.09/-3.20、2.89 eV。利用UV-Vis和PL研究了共聚物的光学性能
结果表明
共聚物具有较强的荧光性
其荧光最大发射峰位于490 nm波长处。将制备的共聚物薄膜作为发光层
引入纳米ZnO作为功能层
在柔性PET衬底上制作的PLED器件的启动电压为4.2 eV
发蓝光。
The copolymer of polyfluorene/poly(p-Phenylene vinylenes) (PFO/PPV) was synthesized through Heck reaction. The structure of the obtained copolymer was characterized by FT-IR
1
H NMR
TGA
etc.
The molecular weight and poly dispersity of the copolymer were 4 400 and 1.2
respectively. The copolymer had good thermal stability
it had only one weightlessness from RT to 700 ℃ and the weightlessness was about 50% at 350~450 ℃.
E
HOMO
/
E
LUMO
and
E
g
was-6.09/[KG-*4]-3.20 and 2.89 eV respectively. The optical properties
revealed by UV-Vis and PL
showed that copolymer had excellent luminescence
with a maximum peak of fluorescence emission at 490 nm. The copolymer was also tested as an emitting layer for flexible polymer light-emitting diode (PLED) device
where nano ZnO as a functional layer
showing a turn-on voltage of about 4.2 V and emitting blue electroluminescence.
Hermosilla L, Catak S, Van S V, et al. Kinetic and mechanistic study on p-quinodimethane formation in the sulfinyl precursor route for the polymerization of poly(p-phenylenevinylene) (PPV) [J]. Macromolecules, 2010, 43(18):7424-7433.[2] Liu Z T, Huang Y Y, Li Y, et al. Synthesis and chiroptical properties of chiral binaphthyl-containing polyfluorene derivatives [J]. J. Polym. Sci. Pol. Chem., 2011, 49(3):680-689.[3] Beaupr S, Boudreault P L T, Leclerc M. Solar-energy production and energy-efficient lighting: photovoltaic devices and white-light-emitting diodes using poly(2,7-fluorene), poly(2,7-carbazole), and poly(2,7-dibenzosilole) derivatives [J]. Adv. Mater., 2010, 22(8):E6-E27.[4] Bundgaard E, Krebs F C. Low band gap polymers for organic photovoltaics [J]. Sol. Energ. Mat. Sol. C, 2007, 91(11):954-985.[5] Dang T T M, Park S J, Park J W, et al. Synthesis and characterization of poly(benzodithiophene) derivative for organic thin film transistors [J]. J. Polym. Sci. Pol. Chem., 2007, 45(22):5277-5284.[6] Bernius M T, Inbasekaran M, O'Brien J, et al. Progress with light-emitting polymers [J]. Adv. Mater., 2000, 12(23):1737-1750.[7] McQuade D T, Pullen A E, Swager T M. Conjugated polymer-based chemical sensors [J]. Chem. Rev., 2000, 100(7):2537-2574.[8] Aleshin A N, Alexandrova E L, Shcherbakov I P. Efficient hybrid active layers for OLEDs based on polyfluorene and ZnO nanoparticles [J]. Eur. Phys. J. Appl. Phys., 2010, 51(3):33202-1-6.[9] Chen L W, Liu T D, Cheng Y X. Synthesis and properties of conjugated polymers incorporating oxadiazoleunits [J]. Acta Polym. Sin., 2004(04):590-594.[10] Yang J, Jiang C, Zhang Y, et al. High-efficiency saturated red emitting polymers derived from fluorene and naphthoselenadiazole [J]. Macromolecules, 2004, 37(4):1211-1218.[11] He Y, Wang J A, Zhang W, et al. ZnO-nanowires/PANI inorganic/organic heterostructure light-emitting diode [J]. J. Nano. Sci. Nanotechno., 2010, 10(11):7254-7257.[12] He Y, Wang J A, Chen X B, et al. Blue electroluminescence nanodevice prototype based on vertical ZnO nanowire/polymer film on silicon substrate [J]. J. Nano. Part. Res., 2010, 12(1):169-176.
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