Spectrally stable deep blue-emitting polyfluorenes containing dibenzothiophene-S,S-dioxide moiety

Journal of Photonics for Energy

Volumn 2, Issue 1, 2012, Pages

  Ying, Lei ^a   Xu, Yunhua ^a   Li, Na ^a   Yan, Jing'ai ^a   Li, Yuanyuan ^a   Yang, Wei ^a   Peng, Junbiao ^a  

^a SOUTH CHINA UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

Dibenzothiophene S; Light emission; Polyfluorenes derivatives; S dioxide

Indexed keywords

DIBENZOTHIOPHENE-S; ELECTROLUMINESCENCE SPECTRA; ELECTRON INJECTION LAYERS; EXTERNAL QUANTUM EFFICIENCY; PHOTOLUMINESCENCE SPECTRUM; PL QUANTUM EFFICIENCY; POLYFLUORENES; S-DIOXIDE;

COPOLYMERS; LIGHT EMISSION; LIGHT EMITTING DIODES; QUANTUM EFFICIENCY;

SUPERCOMPUTERS;

EID: 84896693259     PISSN: None     EISSN: 19477988     Source Type: Journal    
DOI: 10.1117/1.JPE.2.021212     Document Type: Article

References (30)

1. F. So et al., "Recent progress in solution processable organic light emitting devices", J. Appl. Phys. 102(9), 091101(2007), http://dx.doi.org/10.1063/1.2804122.
2. H. B. Wu et al., "Progress and perspective of polymer white light-emitting devices and materials", Chem. Soc. Rev. 38(12), 3391-3400(2009), http://dx.doi.org/10.1039/b816352a.
3. D. H. Xu and C. Adachi, "Organic light-emitting diode with liquid emitting layer", Appl. Phys. Lett. 95(5), 053304(2009), http://dx.doi.org/10.1063/1.3200947.
4. W. Y. Lai, D. Liu, and W. Huang, "Triazatruxene-containing hyperbranched polymers: microwave-assisted synthesis and optoelectronic properties", Sci. China Chem. 53(12), 2472-2480(2010), http://dx.doi.org/ 10.1007/s11426-010-4152-3.
5. M. Wang et al., "Polyfluorenes containing pyrazine units: synthesis, photophysics and electroluminescence", Sci. China Chem. 54(4), 656-665(2011), http://dx.doi.org/10.1007/s11426-011-4238-6.
6. C. Tang et al., "Polyfluorene and its derivatives as electroluminescent materials", Prog. Chem. 19(10), 1553-1561(2007), http://www.progchem.ac.cn/EN/abstract/abstract9197.shtml
7. S.-A. Chen, H.-H. Lu, and C.-W. Huang, "Polyfluorenes for device applications", Adv. Polym. Sci. 212, 49-84(2008), http://dx.doi.org/10. 1007/12-2008-144.
8. Q. Zhao, S. J. Liu, and W. Huang, "Polyfluorene-based blue-emitting materials", Macromol. Chem. Phys. 210(19), 1580-1590(2009), http://dx.doi.org/10.1002/macp. v210:19.
9. L. Ying et al., "Novel, blue light-emitting polyfluorenes containing a fluorinated quinoxaline unit", Dyes. Pig. 82(3), 251-257(2009), http://dx.doi.org/10.1016/j.dyepig.2009.01.009.
10. J. Liu et al., "Novel spectrally stable saturated blue-light-emitting poly[(fluorene) - co-(dioctyldibenzothiophene - S; S - dioxide)]s", Macrom. Rapid Commun. 31(5), 496-501(2010), http://dx.doi.org/10.1002/marc.v31:5.
11. J. Liu et al., "Highly efficient and spectrally stable blue-light-emitting polyfluorenes containing a dibenzothiophene-S; S-dioxide unit", Chem. Mater. 20(13), 4499-4506(2008), http://dx.doi.org/10.1021/ cm800129h.
12. Y. Y. Li et al., "Enhancement of spectral stability and efficiency on blue light-emitters via introducing dibenzothiophene-S; S-dioxide isomers into polyfluorene backbone", Org. Electron. 10(5), 901-909(2009), http://dx.doi.org/10.1016/j.orgel.2009.04.021.
13. W. Yang et al., "Improvement of color purity in blue-emitting polyfluorene by copolymerization with dibenzothiophene", J. Mater. Chem. 13(6), 1351-1355(2003), http://dx.doi.org/10.1039/b300202k.
14. H. Gilman and J. F. Nobis, "Rearrangement with 4- iododibenzothiophene in amination by sodamide", J. Am. Chem. Soc. 67(9), 1479-1480(1945), http://dx.doi.org/10.1021/ja01225a020.
15. R. Q. Yang et al., "Control of cationic conjugated polymer performance in light emitting diodes by choice of counterion", J. Am. Chem. Soc. 128(45), 14422-14433(2006), http://dx.doi.org/10.1021/ja063723c.
16. C.-H. Kuo et al., "High-efficiency poly (phenylenevinylene)-co- fluorene copolymers incorporating a triphenylamine as the end group for white-light-emitting diode applications", J. Polym. Sci. Polym. Chem. 45(19), 4504-4513(2007), http://dx.doi.org/10.1002/pola.22194. (Pubitemid 47477622)
17. K. C. Moss et al., "Tuning the intramolecular charge transfer emission from deep blue to green in ambipolar systems based on dibenzothiophene-S; S-dioxide by manipulation of conjugation and strength of the electron donor units", J. Org. Chem. 75(20), 6771-6781(2010), http://dx.doi.org/10.1021/jo100898a.
18. J. Liu, T.-F. Guo, and Y. Yang, "Effects of thermal annealing on the performance of polymer light emitting diodes", J. Appl. Phys. 91(3), 1595-1600(2002), http://dx.doi.org/10.1063/1.1427435.
19. J. L. Bredas et al., "Chain-length dependence of electronic and electrochemical properties of conjugated systems: polyacetylene, polyphenylene, polythiophene, and polypyrrole", J. Am. Chem. Soc. 105(22), 6555-6559(1983), http://dx.doi.org/10.1021/ja00360a004. (Pubitemid 14472746)
20. W. C. Tsoi et al., "Effect of crystallization on the electronic energy levels and thin film morphology of P3HT:PCBM blends", Macromolecules 44(8), 2944-2952(2011), http://dx.doi.org/10.1021/ma102841e.
21. W.-C. Wu, C.-L. Liu, and W.-C. Chen, "Synthesis and characterization of new fluoreneacceptor alternating and random copolymers for light-emitting applications", Polymer 47(2), 527-538(2006), http://dx.doi.org/10.1016/j. polymer.2005.11.058. (Pubitemid 43053254)
22. U. Giovanella et al., "All-conjugated diblock copolymer approach to improve single layer green electroluminescent devices" Chem. Mater. 23(3), 810-816(2011), http://dx.doi.org/10.1021/cm102154q.
23. J. Luo et al., "High-efficiency white-light emission from a single copolymer: fluorescent blue, green, and red chromophores on a conjugated polymer backbone", Adv. Mater. 19(8), 1113-1117(2007), http://dx.doi.org/10.1002/ (ISSN) 1521-4095. (Pubitemid 46942278)
24. F. Huang, H. B. Wu, and Y. Cao, "Water/alcohol soluble conjugated polymers as highly efficient electron transporting/injection layer in optoelectronic devices", Chem. Soc. Rev. 39(7), 2500-2521(2010), http://dx.doi.org/10.1039/b907991m.
25. C. H. Duan et al., "Conjugated Zwitterionic polyelectrolytes and their neutral precursor as electron injection layer for high-performance polymer light-emitting diodes", Adv. Mater. 23(14), 1665-1669(2011), http://dx.doi.org/10.1002/adma.201004661.
26. Z. C. He et al., "Largely enhanced efficiency with a pfn/al bilayer cathode in high efficiency bulk heterojunction photovoltaic cells with a low bandgap polycarbazole donor", Adv. Mater. 23(27), 3086-3089(2011), http://dx.doi.org/10.1002/adma.v23.27.
27. Z. C. He et al., "Simultaneous enhancement of open-circuit voltage, short-circuit current density, and fill factor in polymer solar cells", Adv. Mater. 23(40), 4636-4643(2011), http://dx.doi.org/10.1002/adma.v23.40.
28. V. Choong et al., "Dramatic photoluminescence quenching of phenylene vinylene oligomer thin film upon submonolayer Ca deposition", Appl. Phys. Lett. 69(10), 1492-1494(1996), http://dx.doi.org/10.1063/1.116918. (Pubitemid 126595423)
29. W. L. Ma et al., "Water/methanol-soluble conjugated copolymer as an electron-transport layer in polymer light-emitting diodes", Adv. Mater. 17(3), 274-277(2005), http://dx.doi.org/10.1002/(ISSN) 1521-4095.
30. L. Wang et al., "Utilization of water/alcohol-soluble polyelectrolyte as an electron injection layer for fabrication of high-efficiency multilayer saturated redphosphorescence polymer light-emitting diodes by solution processing", Appl. Phys. Lett. 89(15), 151115(2006), http://dx.doi.org/10.1063/1.2358942.