Surface analytical studies of interface formation in organic light- emitting devices

Accounts of Chemical Research

Volumn 32, Issue 3, 1999, Pages 247-255

  Gao, Yongli ^a  

^a UNIVERSITY OF ROCHESTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DISPLAY SYSTEM; LASER; LIGHT EMITTING DIODE; LUMINESCENCE; MOLECULAR DYNAMICS; REVIEW;

EID: 0032940355     PISSN: 00014842     EISSN: None     Source Type: Journal    
DOI: 10.1021/ar980030v     Document Type: Review

References (54)

1. Tang, C. W.; VanSlyke, S. A. Organic Electroluminescent Diodes. Appl. Phys. Lett. 1987, 51, 913.
2. Burroughes, J. H.; Bradley, D. D. C.; Brown, A. R.; Marks, R. N.; MaKay, K.; Friend, R. H.; Bum, P. L.; Holmes, A. B. Light-Emitting-Diodes Based on Conjugated Polymers. Nature 1990, 347, 539.
3. Gustafsson, G.; Cao, Y.; Treacy, G. M.; Klavetter, F.; Colaneri, N.; Heeger, A. J. Flexible Light-Emitting Diodes Made from Soluble Conducting Polymers. Nature 1992, 357, 477.
4. Forrest, S. R.; Burrows, P. E.; Shen, Z.; Gu, G.; Bulovic, V.; Thompson, M. E. The Stacked OLED (SOLED): a New Type of Organic Device for Achieving High-Resolution Full-Color Displays. Synth. Met. 1997, 91, 9.
5. Tessler, N.; Denton, G. J.; Friend, R. H. Lasing Characteristics of PPV Microcavities. Nature 1996, 382, 695.
6. Braun, D.; Heeger, A. J. Visible-Light Emission from Semiconducting Polymer Diodes. Appl. Phys. Lett. 1991, 58, 1982.
7. Brown, A. R.; Bradley, D. D. C.; Burroughes, J. H.; Friend, R. H.; Greenham, N. C.; Burn, P. L; Holmes, A. B.; Kraft, A. Poly(p-phenylenevinylene) Light-Emitting-Diodes - Enhanced Electroluminescency through Charge Carrier Confinement. Appl. Phys. Lett. 1992, 61, 2793.
8. Parker, I. D. Carrier Tunneling and Device Characteristics in Polymer Light-Emitting Diodes. J. Appl. Phys. 1994, 75, 1656.
9. Yang, Y.; Heeger, A. J. A New Architecture for Polymer Transistors. Nature 1994, 372, 344.
10. Bröms, P.; Birgersson, J.; Johansson, N.; Lögdlund, M.; Salaneck, W. R. Calcium Electrodes in Polymer LEDs. Synth. Met. 1995, 74, 179.
11. Kim, Y.-E.; Park, H.; Kim, J.-J. Enhanced Quantum Efficiency in Polymer Electroluminescence Devices by Inserting a Tunneling Barrier Formed by Langmuir - Blodgett Films. Appl. Phys. Lett. 1996, 69, 599.
12. Hung, L. S.; Tang, C. W.; Mason, M. G. Enhanced Electron Injection in Organic Electroluminescence Devices Using an Al/LiF Electrode. Appl. Phys. Lett. 1997, 70, 152.
13. Jabbour, G. E.; Kawabe, Y.; Shaheen, S. E.; Wang, J. F.; Morrell, M. M.; Kippelen, B.; Peyghambarian, N. Highly Efficient and Bright Organic Electroluminescent Devices with an Auminum Dathode. Appl. Phys. Lett. 1997, 71, 1762.
14. Tang, H.; Li, F.; Shinar, J. Bright High Efficiency Blue Organic Light-Emitting Diodes with Al2O3/Al Cathodes. Appl. Phys. Lett. 1997, 71, 2560.
15. Haskal, E. I.; Curioni, A.; Seidler, P. F.; Andreoni, W. Lithium - Aluminum Contacts for Organic Light-Emitting Devices. Appl. Phys. Lett. 1997, 71, 1151.
16. Gyoutoku, A.; Hara, S.; Komatsu, T.; Shirinashihama, M.; Iwanaga, H.; Sakanoue, K. An Organic Electroluminescent Dot-Matrix Display Using Carbon Underlayer. Synth. Met. 1997, 91, 73.
17. Nuesch, F.; SiAhmed, L.; Francois, B.; Zuppiroli, L. Derivatized Electrodes in the Construction of Organic Light Emitting Diodes. Adv. Mater. 1997, 9, 222.
18. Wu, C. C.; Wu, C. I.; Sturm, J. C.; Kahn, A. Surface Modification of Indium Tin Oxide by Plasma Treatment: An Effective Method to Improve the Efficiency, Brightness, and Reliability of Organic light emitting devices. Appl. Phys. Lett. 1997, 70, 1348.
19. Service, R. F. Your (Light-Emitting) Logo Here. Science 1996, 279, 1135.
20. Antoniadis, H.; Hueschen, M. R.; Miller, J. N.; Moon, R. L.; Roitman, D. B.; Sheats, J.R. Failure Modes in Vapor-Deposited Organic LED's. Macromol. Symp. 1998, 125, 59.
21. Heeger, A. J.; Kivelson, S.; Schrieffer, J. R.; Su, W.-P. Solitons in Conducting Polymers. Rev. Mod. Phys. 1988, 60, 781.
22. Brazovskii, S. A.; Kirova, N. N. Towards the Theory of Metal-Polymer Contact. Synth. Met. 1993, 55-57, 4385.
23. Davids, P. S.; Saxena, A.; Smith, D. L. Nondegenerate Continuum Model for Polymer Light-Emitting-Diodes. J. Appl. Phys. 1995, 78, 4244.
24. Salaneck, W. R.; Stafstroem, S.; Bredas, J. L. Conjugated Polymer Surfaces and Interfaces; Cambridge: New York, 1996.
25. Dannetun, P.; Löglund, M.; Fahlman, M.; Boman, M.; Stafström, S.; Salaneck, W. R.; Lazzaroni, R.; Fredriksson, C.; Brédas, J. L.; Graham, S.; Friend, R. H.; Holmes, A. B.; Zamboni, R.; Taliani, C. The Chemical and Electronic Structure of the Interface between Aluminum and Conjugated Polymers or Molecules. Synth. Met. 1993, 55, 212.
26. Löglund, M.; Dannetun, P.; Fredriksson, C.; Salaneck, W. R.; Brédas, J. L. Theoretical Study of the Interaction between Sodium and Oligomers of Poly(p-phenylenevinylene) and Poly(p-phenylene). Synth. Met. 1994, 67, 141.
27. Choong, V.; Park, Y.; Gao, Y.; Hsieh, B. R. Quantum Molecular Quantum Mechanical Calculations of the Interface Formation between Al, Ca and Mg with Poly(Phenylene Vinylene) (PPV) Oligomers. J. Phys. 1997, D30, 1421.
28. Vosko, S. H.; Wilk, L.; Nusair, M. Accurate Spin-Dependent Electron Liquid Correlation Energies for Local Spin Density Calculations: a Critical Review. Can. J. Phys. 1980, 58, 1200.
29. Salaneck, W. R.; Brédas, J. L. Electronic and Chemical Structure of Conjugated Polymers and Their Interfaces - Experiment, Theory and a Glance toward the Future. Synth. Met. 1994, 67, 11.
30. Ettedgui, E.; Razafitrimo, H.; Gao, Y.; Hsieh, B. R. Band Bending Modified Tunneling at Metal/Conjugated Polymer Interfaces. Appl. Phys. Lett. 1995, 67, 2705.
31. Davids, P. S.; Campbell, I. H.; Smith, D. L. Device Model for Single Carrier Organic Diodes. J. Appl. Phys. 1997, 82, 6319.
32. Conwell, E. M.; Wu, M. W. Contact Injection into Polymer Light-Emitting Diodes. Appl. Phys. Lett. 1997, 70, 1867.
33. Brillson, L. J. In Handbook on Semiconductors; Landsberg, P. T., Ed.; Elsevier Science Publishers: New York, 1992; Vol. 1.
34. Löglund, M.; Dannetun, P.; Salaneck, W. R. Handbook of Conducting Polymers; in press.
35. Methods of Experimental Physics; Park, R. L., Lagally, M. G., Eds; Academic Press: Orlando, 1985; Vol. 22.
36. Stöhr, J. NEXAFS Spectroscopy, Springer Series in Surface Sciences 25; Springer-Verlag: New York, 1992.
37. Binnig, G.; Rohrer, H. R. Scanning Tunneling Microscopy. Helv. Phys. Acta 1982, 55, 726.
38. Binnig, G.; Quate, C. F.; Gerber, C. Atomic Force Microscope. Phys. Rev. Lett. 1986, 56, 930.
39. Choong, V. E.; Mason, M. G.; Tang, C. W.; Gao, Y. Investigation of the Interface Formation Between Calcium and Tris-(8-hydroxy quinoline) aluminum. Appl. Phys. Lett. 1998, 72, 2689.
40. Park, Y.; Ettedgui, E.; Choong, V.; Gao, Y.; Hsieh, B. R.; Wehrmeister, T.; Mullen, K. Energy Level Bending and Alignment at the Interface between Ca and a Phenylene Vinylene Oligomer. Appl. Phys. Lett. 1996, 69, 1080.
41. Salaneck, W. R.; Brédas, J. L. The Metal-on-Polymer Interface in Polymer Light Emitting Diodes. Adv. Mater. 1996, 8, 48.
42. Ettedgui, E.; Razafitrimo, H.; Gao, Y.; Hsieh, B. R.; Feld, W. A.; Ruckman, M. W. Evidence for the Formation of Unoccupied States in Poly(2,3-diphenyl phenylene vinylene) Following the Deposition of Metal. Phys. Rev. Lett. 1996, 76, 299.
43. Razafitrimo, H.; Gao, Y.; Hsieh, B. R. A Layer-wise Topographic Study of a Polymeric Light Emitting Diode: Indium Tin Oxide/Poly(diphenyl phenylene vinylene)/Ag. Synth. Met. 1996, 79, 103.
44. Rasmusson, J. R.; Broms, P.; Birgerson, J.; Erlandsson, R.; Salaneck, W. R. The Interface Surfaces of a CN-substituted Poly(phenylenevinylene) Light-Emitting Diode, a Morphological Study. Synth. Met. 1996, 79, 75.
45. Choong, V.; Park, Y.; Gao, Y.; Wehrmeister, T.; Müllen, K.; Hsieh, B. R.; Tang, C. W. Dramatic Photoluminescence Quenching of Phenylene Vinylene Oligomer Thin Films upon Submonolayer Ca Deposition. Appl. Phys. Lett. 1996, 69, 1492.
46. Park, Y.; Choong, V.; Hsieh, B. R.; Tang, C. W.; Gao, Y. Gap-State Induced Photoluminescence Quenching of Phenylene Vinylene Oligomer and its Recovery by Oxidation. Phys. Rev. Lett. 1997, 78, 3955.
47. Choong, V.; Park, Y.; Hsieh, B. R.; Tang, C. W.; Wehrmeister, T.; Müllen, K.; Gao, Y. Effects of Metals on Luminescence of Organic Materials. J. Vac. Sci. Technol. 1997, A15, 1745.
48. Choong, V.; Park, Y.; Shivaparan, N.; Tang, C. W.; Gao, Y. Deposition Induced Photoluminescence Quenching of Tris-(8-Hydroxyquinoline) Aluminum. Appl. Phys. Lett. 1997, 71, 1005.
49. Logdlund, M.; Salaneck, W. R.; Meyers, F.; Bredas, J. L.; Arbuckle, G. A.; Friend, R. H.; Holmes, A. B.; Froyer, G. Evolution of the Electronic Structure in a Conjugated Polymer Series - Polyacetylene, Poly(p-phenylene), and Poly(p-phenylenevinylene). Macromolecules 1993, 26, 3815.
50. Johansson, N.; Cacialli, F.; Xing, K. Z.; Beamson, G.; Clark, D. T.; Friend, R. H.; Salaneck, W. R. A Study of the ITO-on-PPV Interface Using Photoelectron Spectroscopy. Synth. Met. 1998, 92, 207.
51. Nguyen, T. P.; Massardier, V.; Tran, V. H.; Guyot, A. Studies of the Polymer-Metal Interface in Metal-PPV-Metal Devices. Synth. Met. 1993, 55-57, 235.
52. Seki, K.; Ito, E.; Ishii, H. Energy Level Alignment at Organic/metal Interfaces Studied by UV Photoemission. Synth. Met. 1997, 91, 137.
53. Rajagopal, A.; Kahn, A. Molecular-Level Offset at the PTCDA/Alq(3) Heterojunction. Adv. Mater. 1998, 10, 140.
54. Probst, M.; Haight, R. Unoccupied Molecular Orbital States of Tris (8-hydroxy quinoline) aluminum: Observation and Dynamics. Appl. Phys. Lett. 1997, 70, 1420.