Excimer and aggregate formations in poly(fluorene)s

ETRI Journal

Volumn 24, Issue 6, 2002, Pages 409-414

  Lee, Jeong Ik ^a   Lee, Victor Y ^b   Miller, Robert D ^b  

^a Electronics and Telecommunications Research Institute (ETRI)   (South Korea)

^b IBM ALMADEN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANNEALING; COPOLYMERS; FLUORINE CONTAINING POLYMERS; GROUND STATE; LIGHT ABSORPTION; LIGHT EMISSION; LIGHT EMITTING DIODES; POLYMERIZATION; SYNTHESIS (CHEMICAL);

BROMOFLUORENE; DIBROMODIHEXYLFLUORENE; EXCIMER BAND; POLYDIHEXYLFLUORENES;

SEMICONDUCTING POLYMERS;

EID: 0036930962     PISSN: 12256463     EISSN: None     Source Type: Journal    
DOI: 10.4218/etrij.02.0102.0001     Document Type: Article

References (15)

1. R.H. Friend, R.W. Gymer, A.B. Holmes, J.H. Burroughes, R.N. Marks, C. Taliani, D.D.C. Bradley, D.A. Dos Santos, J.L. Brédas, M. Lögdlund and W.R. Salaneck. "Electroluminescence in Conjugated Polymers," Nature, vol. 397, 1999, pp. 121-128.
2. T. Zyung and S.-D. Jung, "Electroluminescent Devices Using a Polymer of Regulated Conjugation Length and a Polymer Blend." ETRI J., vol. 18, no. 3, Oct. 1996, pp. 181-193.
3. Q. Pei and Y. Yang, "Efficient Photoluminescence and Electroluminescence from a Soluble Polyfluorene," J. Am. Chem. Soc., vol. 118, 1996, pp. 7416-7417.
4. M. Yoshida, A. Fujii, Y. Ohmori, and K. Yoshino, "Three-Layered Multicolor Organic Electroluminescent Device," Appl. Phys. Lett., vol. 69, 1996, pp. 734-736.
5. M. Grell, D.D.C. Bradley, X. Long, T. Chamberlain, M. Inbasekaran, E.P. Woo, and M. Soliman, "Chain Geometry, Solution Aggregation and Enhanced Dichroism in the Liquidcrystalline Conjugated Polymer Poly(9,9-dioctylfluorene)," Acta Polymerica, vol. 9, 1997, pp. 439-444.
6. M. Kreyenschmidt, G. Klaerner, T. Fuhrer, J. Ashenhurt, S. Karg, W.D. Chen, V.Y. Lee, J.C. Scott, and R.D. Miller. "Thermally Stable Blue-Light-Emitting Copolymers of Poly(alkylfluorene)," Macromolecules, vol. 31, 1998, pp. 1099-1103.
7. U. Lemmer, S. Heun, R.F. Mahrt, U. Scherf, M. Hopmeier, U. Siegner, E.O. Göbel, K. Müllen, and H. Bässler. "Aggregate Fluorescence in Conjugated Polymers," Chem. Phys. Lett., vol. 240, 1995, pp. 373-378.
8. S.A. Jenekhe and J.A. Osaheni, Science, vol. 265, 1994, p. 765.
9. J. Gruner, H.F. Wittmann, P.J. Hamer, R.H. Friend, J. Huber, U. Scherf, K. Mullen, S.C. Moratti, and A.B. Holmes, "Electroluminescence and Photoluminescence Investigations of the Yellow Emission of Devices Based on Ladder-Type Oligo(para-phenylene)s," Synth. Metals, vol. 67, 1994, pp. 181-185.
10. G. Klaerner, M.H. Davey, W.D. Chen, J.C. Scott, and R.D. Miller, "Colorfast Blue-Light-Emitting Random Copolymers Derived from di-n-hexyfluorene and Anthracene," Adv. Mater., vol. 10, 1998, pp. 993-997.
11. G. Klaerner and R.D. Miller, "Polyfluorene Derivatives: Effective Conjugation Lengths from Well-Defined Oligomers," Macromolecules, vol. 32, 1998, pp. 2007-2009.
12. E.P. Woo, M. Inbasekaran, W. Shiang, and G.R. Roof, International Patent, WO 97/05184, 1997.
13. J.-I. Lee, G. Klaerner, and R.D. Miller, "Oxidative Stability and Its Effect on the Photoluminescence of Poly(Fluorene) Derivatives: End Group Effects," Chem. Mater., vol. 11, 1999, pp. 1083-1088.
14. T. Yamamoto, A. Morita, Y. Miyazaki, T. Maruyama, H. Wakayama, Z.H. Zhou, Y. Nakamura, T. Kanbara, S. Sasaki, and K. Kubota, "Preparation of .pi-conjugated poly(thiophene-2,5-diyl), poly(p-phenylene), and related polymers using zerovalent nickel complexes. Linear structure and properties of the pi-conjugated polymers." Macromolecules, vol. 25, 1992, p. 1214.
15. L.C. Palilis, D.G. Lidzey, M. Redecker, D.D.C. Bradley, M. Inbasekaran, E.P. Woo, and W.W. Wu, "Bright and Efficient Blue Light-Emitting Diodes Based on Conjugated Polymer Blends," SPIE-Int'l Soc. Opt. Eng. Proc. of Spie - the Int'l Society for Optical Engineering, vol. 3797, 1999, pp. 383-397.