Spatial fluorescence inhomogeneities in light-emitting conjugated polymer films

Journal of Physical Chemistry Letters

Volumn 2, Issue 13, 2011, Pages 1520-1525

  Hao, Xiao Tao ^a   McKimmie, Lachlan J ^a   Smith, Trevor A ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CONJUGATED POLYMER THIN FILMS; DIFFERENT SOLVENTS; EMISSION SPECTRUMS; FLUORESCENCE DECAY PROFILE; FLUORESCENCE DECAYS; FLUORESCENCE LIFETIMES; INHOMOGENEITIES; PHOTOPHYSICAL PROPERTIES; POLYMER CONFORMATION; POLYMER STRUCTURE; SHORTER WAVELENGTH; SOLVENT EFFECTS; TIME-RESOLVED FLUORESCENCE IMAGING;

CONJUGATED POLYMERS; EMISSION SPECTROSCOPY; FLUORESCENCE; LIGHT EMISSION; PLASTIC FILMS; POLYMERIC FILMS; SOLVENTS;

POLYMER FILMS;

EID: 79960186942     PISSN: None     EISSN: 19487185     Source Type: Journal    
DOI: 10.1021/jz200540j     Document Type: Article

References (33)

1. Brabec, C. J.; Gowrisanker, S.; Halls, J. J. M.; Laird, D.; Jia, S. J.; Williams, S. P. Polymer-Fullerene Bulk-Heterojunction Solar Cells Adv. Mater. 2010, 22, 3839-3856
2. Calzado, E. M.; Boj, P. G.; Diaz-Garcia, M. A. Amplified Spontaneous Emission Properties of Semiconducting Organic Materials Int. J. Mol. Sci. 2010, 11, 2546-2565
3. Chen, S. A.; Jen, T. H.; Lu, H. H. A Review on the Emitting Species in Conjugated Polymers for Photo- and Electro-Luminescence J. Chinese Chem. Soc. 2010, 57, 439-458
4. McMahon, D. P.; Troisi, A. Organic Semiconductors: Impact of Disorder at Different Timescales ChemPhysChem 2010, 11, 2067-2074
5. Scherf, U.; Riechel, S.; Lemmer, U.; Mahrt, R. F. Conjugated Polymers: Lasing and Stimulated Emission Curr. Opin. Solid State Mater. Sci. 2001, 5, 143-154 (Pubitemid 32683024)
6. Slota, J. E.; He, X. M.; Huck, W. T. S. Controlling Nanoscale Morphology in Polymer Photovoltaic Devices Nano Today 2010, 5, 231-242
7. So, F.; Krummacher, B.; Mathai, M. K.; Poplavskyy, D.; Choulis, S. A.; Choong, V. E. Recent Progress in Solution Processable Organic Light Emitting Devices J. Appl. Phys. 2007, 102, 21
8. Lee, S. S.; Loo, Y. L. Structural Complexities in the Active Layers of Organic Electronics Ann. Rev. Chem. Biomol. Eng. 2010, 1, 59-78
9. Schwartz, B. J. Conjugated Polymers as Molecular Materials: How Chain Conformation and Film Morphology Influence Energy Transfer and Interchain Interactions Annu. Rev. Phys. Chem. 2003, 54, 141-172
10. Ravindranath, R.; Ajikumar, P. K.; Bahulayan, S.; Hanafiah, N. B. M.; Baba, A.; Advincula, R. C.; Knoll, W.; Valiyaveettil, S. Ultrathin Conjugated Polymer Network Films of Carbazole Functionalized Poly(p -phenylenes) via Electropolymerization J. Phys. Chem. B 2007, 111, 6336-6343 (Pubitemid 47012634)
11. Chabinyc, M. L. X-ray Scattering From Films of Semiconducting Polymers Polym. Rev. 2008, 48, 463-492
12. Chabinyc, M. L. Characterization of Semiconducting Polymers for Thin Film Transistors J. Vac. Sci. Technol., B 2008, 26, 445-457 (Pubitemid 351479197)
13. Hao, X. T.; Chan, N. Y.; Dunstan, D. E.; Smith, T. A. Conformational Changes and Photophysical Behavior in Poly[2-methoxy-5-(2′-ethyl-hexyloxy) -1,4-phenylene vinylene] Thin Films Cast under an Electric Field J. Phys. Chem. C 2009, 113, 11657-11661
14. Hao, X. T.; Hosokai, T.; Mitsuo, N.; Kera, S.; Mase, K.; Okudaira, K. K.; Ueno, N. Electronic Density Tailing Outside Pi-Conjugated Polymer Surface Appl. Phys. Lett. 2006, 89, 182113
15. Hao, X. T.; Hosokai, T.; Mitsuo, N.; Kera, S.; Okudaira, K. K.; Mase, K.; Ueno, N. Control of the Interchain Pi-Pi Interaction and Electron Density Distribution at the Surface of Conjugated Poly(3-hexylthiophene) Thin Films J. Phys. Chem. B 2007, 111, 10365-10372 (Pubitemid 47441840)
16. Hao, X. T.; Ryan, T.; Bailey, M. F.; Smith, T. A. Molar Mass Determination of Water-Soluble Light-Emitting Conjugated Polymers by Fluorescence-Based Analytical Ultracentrifugation Macromolecules 2009, 42, 2737-2740
17. Hao, X. T.; Zhu, F. R.; Ong, K. S.; Tan, L. W. Top Emitting Poly(p -phenylene vinylene) Light-Emitting Diodes on Metal Sandwiched Polyethylene Terephthalate Substrates Appl. Phys. B: Lasers Opt. 2006, 83, 67-74 (Pubitemid 43333694)
18. Sherwood, G. A.; Cheng, R.; Smith, T. M.; Werner, J. H.; Shreve, A. P.; Peteanu, L. A.; Wildeman, J. Aggregation Effects on the Emission Spectra and Dynamics of Model Oligomers of MEH-PPV J. Phys. Chem. C 2009, 113, 18851-18862
19. Nguyen, T. Q.; Doan, V.; Schwartz, B. J. Conjugated Polymer Aggregates in Solution: Control of Interchain Interactions J. Chem. Phys. 1999, 110, 4068-4078 (Pubitemid 129615448)
20. Huser, T.; Yan, M.; Rothberg, L. J. Single Chain Spectroscopy of Conformational Dependence of Conjugated Polymer Photophysics Proc. Natl. Acad. Sci. U.S.A. 2000, 97, 11187-11191
21. Grey, J. K.; Kim, D. Y.; Norris, B. C.; Miller, W. L.; Barbara, P. F. Size-Dependent Spectroscopic Properties of Conjugated Polymer Nanoparticles J. Phys. Chem. B 2006, 110, 25568-25572 (Pubitemid 46133255)
22. 2 Quenching. Science 2000, 289.
23. Samuel, I. D. W.; Rumbles, G.; Collison, C. Efficient Interchain Photoluminescence in a High-Electron-Affinity Conjugated Polymer J. Phys. Rev. B. 1995, 52, 11573-11576
24. Samuel, I. D. W.; Rumbles, G.; Collison, C. J.; Friend, R. H.; Moratti, S. C.; Holmes, A. B. Picosecond Time-Resolved Photoluminescence of PPV Derivatives Synth. Met. 1997, 84, 497-500 (Pubitemid 127401480)
25. Yan, M.; Rothberg, L. J.; Papadimitrakopoulos, F.; Galvin, M. E.; Miller, T. M. Defect Quenching of Conjugated Polymer Luminescence Phys. Rev. Lett. 1994, 73, 744-747 (Pubitemid 24976314)
26. Collison, C. J.; Rothberg, L. J.; Treemaneekarn, V.; Li, Y. Conformational Effects on the Photophysics of Conjugated Polymers: A Two Species Model for MEH-PPV Spectroscopy and Dynamics Macromolecules 2001, 34, 2346-2352 (Pubitemid 34216807)
27. Cronwell, E. Excimer Formation in Conducting Polymers Trends Polym. Sci. 1997, 5, 218-222
28. Rothberg, L. J.; Yan, M.; Papadimitrakopoulos, F.; Galvin, M. E.; Kwock, E. W.; Miller, T. M. Photophysics of Phenylenevinylene Polymers Synth. Met. 1996, 80, 41-58 (Pubitemid 126372249)
29. Huser, T.; Yan, M. Solvent-Related Conformational Changes and Aggregation of Conjugated Polymers Studied by Single Molecule Fluorescence Spectroscopy J. Photochem. Photobiol., A 2001, 144, 43-51 (Pubitemid 33618469)
30. Tilley, A. J.; Danczak, S. M.; Browne, C.; Young, T.; Tan, T.; Ghiggino, K. P.; Smith, T. A.; White, J. Synthesis and Fluorescence Characterization of MEHPPV Oligomers J. Org. Chem. 2011, 76, 3372-3380
31. Reichardt, C. Solvents and Solvent Effects in Organic Chemistry, 2 nd ed.; VCH: Weinheim, Germany, 1988.
32. Paley, M. S.; McGill, R. A.; Howard, S. C.; Wallace, S. E.; Harris, J. M. Solvatochromism-A New Method for Polymer Characterization Macromolecules 1990, 23, 4557-4564
33. Kamlet, M. J.; Abboud, J.-L. M.; Abraham, M. H.; Taft, R. W. Linear Solvation Energy Relationships. 23. A Comprehensive Collection of the Solvatochromic Parameters, π α, and β, and Some Methods for Simplifying the Generalized Solvatochromic Equation J. Org. Chem. 1983, 48, 2877-2887