Luminescent properties of a novel fluorene organic material

Luminescence

Volumn 23, Issue 6, 2008, Pages 424-428

  Lou, Shuangling ^a   Yu, Junsheng ^a   Qian, Jincheng ^a   Jiang, Yadong ^a   Zhang, Qing ^b   Xu, Hongjie ^b   Sun, Limei ^b  

^a UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA   (China)

^b SHANGHAI JIAO TONG UNIVERSITY   (China)

Author keywords

Electroluminescence; Fluorene; Organic light emitting; Photoluminescence; Red shifted

Indexed keywords

CHARGE TRANSFER; ORGANIC LIGHT EMITTING DIODES (OLED); PHOTOLUMINESCENCE;

ABSORPTION PROPERTY; ELECTROLUMINESCENCE PROPERTIES; FLUORENES; LUMINESCENT PROPERTY; ORGANIC LIGHT-EMITTING; ORGANIC MATERIALS; PHOTOLUMINESCENCE PROPERTIES; PHOTOPHYSICAL PROPERTIES; QUINOXALINES; RED-SHIFTED;

ELECTROLUMINESCENCE;

EID: 56849128469     PISSN: 15227235     EISSN: 15227243     Source Type: Journal    
DOI: 10.1002/bio.1073     Document Type: Article

References (52)

1. Tang CW, Van Slyke SA. Organic electroluminescent diodes. Appl. Phys. Lett. 1987; 51: 913-915.
2. Wang J, Yu J, Lin H, Jiang Y, Lou S, Yang G. High efficiency organic light-emitting diodes with yellow phosphorescent emission based on a novel iridium complex. Semicond. Sci. Tech. 2007; 22: 25-28.
3. Jiang Y, Wang J, Yu J, Li W, Wei X, Wu Z. High efficient white organic light-emitting diodes based on phosphorescent iridium complex and 4,4′-bis[N-1-napthyl-N-phenyl-amino]biphenyl emitters. Jpn J. Appl. Phys. 2007; 46: 523-525.
4. Yu J, Li W, Jiang Y, Li L. Bright-yellow organic light-emitting device using novel silole derivative as emitter. Jpn J. Appl. Phys. 2007; 46: L31-L33.
5. Ahn K, Ryu GY, Youn S, Shin D. The conjugation effects on the luminescence properties of oligophenylenes for the OLED. Mat. Sci. Eng. C 2004; 24: 163-165.
6. Chen Z, Yu J, Ogino K, Miyata S. Blue emission from light-emitting diodes based on lithium comlex. J. Phys. D Appl. Phys. 2002; 35: 1099-1102.
7. Zhou Q, Qin A, He Q, Lei G, Wang L, Qiu Y, Ye C, Teng F, Bai F. Facile synthesis and properties of binaphthyl-containing blue light emitting materials. J. Lumin. 2007; 122-123: 674-677.
8. Fang Q, Xu B, Jiang B, Fu H, Zhu W, Jiang X, Zhang Z. A novel fluorene derivative containing four triphenylamine groups: Highly thermostable blue emitter with hole-transporting ability for organic light-emitting diode (OLED). Synthet. Met. 2005; 155: 206-210.
9. Han M, Lee S, Jung J, Park K, Kwon S, Ko J, Lee PH, Kang Y. Effect of a perfluorocyclopentene core unit on the structures and photoluminescence of fluorene- and anthracene-based compounds. Tetrahedron 2006; 62: 9769-9777.
10. Tang C, Liu F, Xia Y, Lin J, Xie L, Zhong G, Fan Q, Huang W. Fluorene-substituted pyrenes-novel pyrene derivatives as emitters in nondoped blue OLEDs. Org. Electron. 2006; 7: 155-162.
11. Chen X, Tseng HE, Liao JL, Chen SA. Green emission from end-group-enhanced aggregation in polydioctylfluorene. J. Phys. Chem. B 2005; 109: 17496-17502.
12. Zeng G, Yu WL, Chua SJ, Huang W. Spectral and thermal spectral stability study for fluorene-based conjugated polymers. Macromolecules 2002; 35: 6907-6914.
13. Grell M, Bradley DDC, Ungar G, Hill J, Whitehead KS. Interplay of physical structure and photophysics for a liquid crystalline polyfluorene. Macromolecules 1999; 32: 5810-5817.
14. Lemmer U, Heun S, Mahrt RF, Scherf U, Hopmeier M, Siegner U, Göbel EO, Müllen K, Bässler H. Aggregate fluorescence in conjugated polymers. Chem. Phys. Lett. 1995; 240: 373-378.
15. Lee JI, Klärner G, Miller RD. Oxidative stability and its effect on the photoluminescence of poly(Fluorene) derivatives: end group effects. Chem. Mater. 1999; 11: 1083-1088.
16. Conwell E. Excimer formation and luminescence in conducting polymers. Trends. Polym. Sci. 1997; 5: 218-222.
17. Cimrova V, Scherf U, Neher D. Microcavity devices based on a ladder-type poly(p-phenylene) emitting blue, green, and red light. Appl. Phys. Lett. 1996; 69: 608-610.
18. Weinfurter KH, Fujikawa H, Tokito S, Taga Y. Highly efficient pure blue electroluminescence from polyfluorene: Influence of the molecular weight distribution on the aggregation tendency. Appl. Phys. Lett. 2000; 76: 2502-2504.
19. Bliznyuk VN, Carter SA, Scott JC, Klärner G, Miller RD. Electrical and photoinduced degradation of polyfluorene based films and lightemitting devices. Macromolecules 1999; 32: 361-369.
20. Yu WL, Pei J, Huang W, Heeger AJ. Spiro-functionalized polyfluorene derivatives as blue light-emitting materials. Adv. Mater. 2000; 12: 828-831.
21. Pogantsch A, Wenzl FP, List EJW, Leising G, Grimsdale AC, Müllen K. Polyfluorenes with dendron side chains as the active materials for polymer light-emitting devices. Adv. Mater. 2002; 14: 1061-1064.
22. Klärner G, Lee JI, Lee VY, Chan E, Chen JP, Nelson A, Markiewicz D, Siemens R, Scott JC, Miller RD. Cross-linkable polymers based on dialkylfluorenes. Chem. Mater. 1999; 11: 1800-1808.
23. Wu FI, Dodda R, Reddy DS, Shu CF. Synthesis and characterization of spiro-linked poly(terfluorene): a blue-emitting polymer with controlled conjugated length. J. Mater. Chem. 2002; 12: 2893-2897.
24. Kulkarni AP, Kong XX, Jenekhe SA. Fluorenone-containing polyfluorenes and oligofluorenes: photophysics, origin of the green emission and efficient green electroluminescence. J. Phys. Chem. B 2004; 108: 8689-8701.
25. Dias FB, Knaapila M, Monkman AP, Burrows HD. Fast and slow time regimes of fluorescence quenching in conjugated polyfluorenefluorenone random copolymers: the role of exciton hopping and dexter transfer along the polymer backbone. Macromolecules 2006; 39: 1598-1606.
26. Sims M, Bradley DDC, Ariu M, Koeberg M, Asimakis A, Grell M, Lidzey DG. Understanding the origin of the 535 nm emission band in oxidized poly(9,9-dioctylfluorene): The essential role of inter-chain/inter-segment interactions. Adv. Funct. Mater. 2004; 14: 765-781.
27. Salbeck J, Yu N, Bauer J, Weissörtel F, Bestgen H. Low molecular organic glasses for blue electroluminescence. Synthet. Met. 1997; 91: 209-215.
28. Yamamoto N, Muramatsu H, Do LM, Han EM, Kato T, Fujihira M. Study of energy transfer from excited TPD to Alq in organic electroluminescent devices by time-resolved fluorescence spectroscopy using a scanning near-field optical atomic force microscope. J. Microsc. 2001; 202: 395-400.
29. Kim YM, Park YW, Choi JH, Ju BK. Spectral broadening in electroluminescence of white organic light-emitting diodes based on complementary colors. Appl. Phys. Lett. 2007; 90: 033506.
30. Cocchi M, Virgili D, Giro G, Fattori V, Di Marco P. Efficient exciplex emitting organic electroluminescent devices. Appl. Phys. Lett. 2002; 80: 2401-2403.
31. Gaal M, List EJW, Scherf U. Excimers or emissive on-chain defects?. Macromolecules 2003; 36: 4236-4237.
32. Gamerith S, Gaal M, Romaner L, Nothofer HG, Guntner R, de Freitas PS, Scherf U, List EJW. Comparison of thermal and electrical degradation effects in polyfluorenes. Synthet. Met. 2003; 139: 855-858.
33. Romaner L, Pogantsch A, de Freitas PS, Scherf U, Gaal M, Zojer E, List EJW. The origin of green emission in polyfluorene-based conjugated polymers: On-chain defect fluorescence. Adv. Funct. Mater. 2003; 13: 597-601.
34. Scherf U, List EJW. Semiconducting polyfluorenes - towards reliable structure-property relationships. Adv. Mater. 2002; 14: 477-487.
35. Lupton JM, Craig MR, Meijer EW. On-chain defect emission in electroluminescent polyfluorenes. Appl. Phys. Lett. 2002; 80: 4489-4491.
36. Sainova D, Neher D, Dobruchowska E, Luszczynska B, Glowacki I, Ulanski J, Nothofer HG, Scherf U. Thermoluminescence and electroluminescence of annealed polyfluorene layers. Chem. Phys. Lett. 2003; 371: 15-22.
37. Grisorio R, Suranna GP, Mastrorilli P, Nobile CF. Insight into the role of oxidation in the thermally induced green band in fluorene-based systems. Adv. Funct. Mater. 2007; 17: 538-548.
38. Montilla F, Mallavia R. On the origin of green emission bands in fluorene-based conjugated polymers. Adv. Funct. Mater. 2007; 17: 71-78.
39. Gamerith S, Gadermaier C, Scherf U, List EJW. Emission properties of pristine and oxidatively degraded polyfluorene type polymers. Phys. Status Solid. A 2004; 201: 1132-1151.
40. Chi C, Im C, Enkelmann V, Ziegler A, Lieser G, Wegner G. Monodisperse oligofluorenes with keto defect as models to investigate the origin of green emission from polyfluorenes: Synthesis, self-assembly, and photophysical properties. Chem. Eur. J. 2005; 11: 6833-6845.
41. Li J, Li M, Bo Z. Preparation and optical investigation of monodisperse oligo(9,9-dioctylfluorene)s containing one fluorenone unit. Chem. Eur. J. 2005; 11: 6930-6935.
42. List EJW, Guenter R, de Freitas PS, Scherf U. The effect of keto defect sites on the emission properties of polyfluorene-type materials. Adv. Mater. 2002; 14: 374-378.
43. Gong XO, Iyer PK, Moses D, Bazan GC, Heeger AJ, Xiao SS. Stabilized blue emission from polyfluorene-based light-emitting diodes: Elimination of fluorenone defects. Adv. Funct. Mater. 2003; 13: 325-330.
44. Pope M, Swenberg CE. Electronic Processes in Organic Crystals and Polymers. Oxford University Press: New York, 1999; Chapter 1.
45. Cornil J, Heeger AJ, Bredas JL. Effects of intermolecular interactions on the lowest excited state in luminescent conjugated polymers and oligomers. Chem. Phys. Lett. 1997; 272: 463-470.
46. Jacob J, Zhang JY, Grimsdale AC, Müllen K, Gaal M, List EJW. Poly(tetraarylindenofluorene)s: new stable blue-emitting polymers. Macromolecules 2003; 36: 8240-8245.
47. Ouisse T, Stephan O, Armand M. Degradation kinetics of the spectral emission in polyfluorene light-emitting electro-chemical cells and diodes. Eur. Phys. J. Appl. Phys. 2003; 24: 195-200.
48. Lu HH, Liu CY, Jen TH, Liao JL, Tseng HE, Huang CW, Hung MC, Chen SA. Excimer formation by electric field induction and side chain motion assistance in polyfluorenes. Macromolecules 2005; 38: 10829-10835.
49. Gamerith S, Nothofer HG, Scherf U, List EJW. Identification of emissive interface-related defects in polyfluorene-based light emitting devices. Jpn J. Appl. Phys. 2004; 43: L891-L893.
50. List EJW, Gaal M, Guentner R, de Freitas PS, Scherf U. The role of keto defect sites for the emission properties of polyfluorene-type materials. Synthet. Met. 2003; 139: 759-763.
51. Noh YY, Kim DY, Yoshida Y, Yase K, Jung BJ, Lim E, Shim HK, Azumi R. Keto defect sites in fluorene-based organic field-effect transistors: the origin of rapid degradation on the performance of the device. J. Appl. Phys. 2005; 97: 104-504.
52. Nikitenko VR, Lupton JM. Recombination kinetics in wide gap electroluminescent conjugated polymers with on-chain emissive defects. J. Appl. Phys. 2003; 93: 5973-5977.