Vacuum Annealing of White-Light Organic Light-Emitting Devices with Polyfluorene Copolymer as Light-Emitting Layer

Hua Wang; Yuling Wu; Yang Xu; Zhixiang Gao

doi:10.14233/ajchem.2014.15731

Issue

Vol. 26 No. 4 (2014): Vol 26 Issue 4

Issue Published : February 15, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Vacuum Annealing of White-Light Organic Light-Emitting Devices with Polyfluorene Copolymer as Light-Emitting Layer

https://doi.org/10.14233/ajchem.2014.15731

Hua Wang

Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, No.79, West Yingze Street, Taiyuan Shanxi 030024, P.R. China

Yuling Wu

Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, No.79, West Yingze Street, Taiyuan Shanxi 030024, P.R. China

Yang Xu

Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, No.79, West Yingze Street, Taiyuan Shanxi 030024, P.R. China

Zhixiang Gao

Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, No.79, West Yingze Street, Taiyuan Shanxi 030024, P.R. China

Corresponding Author(s) : Hua Wang

wanghua001@tyut.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 4 (2014): Vol 26 Issue 4
Article Published : February 14, 2014

Abstract

White-light organic light-emitting devices (OLEDs) were fabricated, in which poly(9,9-dioctyl)fluorene with insertion of 4,7-bithienyl-2,1,3-benzothiadiazole (PFO-DBT5) were utilized as light-emitting layer. During fabrication of white-light OLED, PFO-DBT5 films were vacuum annealed under four different temperatures, respectively. Then, the relationship between vacuum annealing of PFO-DBT5 films and performance of white-light organic light-emitting device was studied by atomic force microscope observation and electroluminescence properties characterization. It was concluded that degree of stacking order and the inter-chain distance and of PFO-DBT chains influence device performance directly; the optimal vacuum annealing temperature was gained to be 100 ºC by comparison experiments.

Keywords

White-light Organic light-emitting device Annealing Forster

Wang, H., Wu, Y., Xu, Y., & Gao, Z. (2014). Vacuum Annealing of White-Light Organic Light-Emitting Devices with Polyfluorene Copolymer as Light-Emitting Layer. Asian Journal of Chemistry, 26(4), 960–962. https://doi.org/10.14233/ajchem.2014.15731

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References

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References

J.X. Jiang, Y.H. Xu, W. Yang, R. Guan, Z.Q. Liu, H.Y. Zhen and Y. Cao, Adv. Mater., 18, 1769 (2006); doi:10.1002/adma.200502740.

Q. Hou, Y.S. Xu, W. Yang, M. Yuan, J.B. Peng and Y. Cao, J. Mater. Chem., 12, 2887 (2002); doi:10.1039/b203862e.

V. Misra and H. Mishra, J. Phys. Chem. B, 112, 4213 (2008); doi:10.1021/jp0769577.

Y. Kawamura, J. Brooks, J. Brown, H. Sasabe and C. Adachi, Phys. Rev. Lett., 96, 017404 (2006); doi:10.1103/PhysRevLett.96.017404.

T. Virgili, D.G. Lidzey and D.D.C. Bradley, Adv. Mater., 12, 58 (2000);doi:10.1002/(SICI)1521-4095(200001)12:1<58::AID-ADMA58>3.0.CO;2-E.

B.P. Lyons, K.S. Wong and A.P. Monkman, J. Chem. Phys., 118, 4707 (2003); doi:10.1063/1.1545098.

F.B. Dias, J. Morgado, A.L. Maçanita, F.P. da Costa, H.D. Burrows and A.P. Monkman, Macromolecules, 39, 5854 (2006); doi:10.1021/ma0602932.

D.W. Bright, F. Galbrecht, U. Scherf and A.P. Monkman, Macromolecules, 43, 7860 (2010); doi:10.1021/ma101570u.

M. Knaapila, H.L. Vaughan, T.P.A. Hase, R.C. Evans, R. Stepanyan, M. Torkkeli, H.D. Burrows, U. Scherf and A.P. Monkman, Macromolecules, 43, 299 (2010); doi:10.1021/ma9018069.

R. Verduzco, I. Botiz, D.L. Pickel, S.M. Kilbey II, K.L. Hong, E. Dimasi and S.B. Darling, Macromolecules, 44, 530 (2011); doi:10.1021/ma102728z.

E. Aharon, M. Kalina and G.L. Frey, J. Am. Chem. Soc., 128, 15968 (2006); doi:10.1021/ja066290m.

E. Bundgaard and F.C. Krebs, Macromolecules, 39, 2823 (2006); doi:10.1021/ma052683e.

N. Hundt, K. Palaniappan, J. Servello, D.K. Dei, M.C. Stefan and M.C. Biewer, Org. Lett., 11, 4422 (2009); doi:10.1021/ol901786z.

Z.X. Gao, Y.Y. Hao, H. Wang, Y.Q. Miao and B.S. Xu, Asian J. Chem., 25, 3297 (2013).

Issue

Vol. 26 No. 4 (2014): Vol 26 Issue 4

Vacuum Annealing of White-Light Organic Light-Emitting Devices with Polyfluorene Copolymer as Light-Emitting Layer

Corresponding Author(s) : Hua Wang

Abstract

Keywords

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