Optimization of organic semiconductor devices by anode modification

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 4800, Issue , 2002, Pages 172-181

  Frohne, Holger ^a,b   Müller, David C ^a,b   Reckefuß, Nina ^a,b   Rudati, Paula ^a,b   Meerholz, Klaus ^a,b  

^a UNIVERSITY OF MUNICH   (Germany)

^b UNIVERSITY OF COLOGNE   (Germany)

Author keywords

Barrier; Efficiency; OLED; PEDOT; Work function

Indexed keywords

ANODES; EFFICIENCY; ELECTRIC SPACE CHARGE; ELECTRIC VARIABLES MEASUREMENT; ELECTROPOLYMERIZATION; HOLE MOBILITY; MOLECULAR DYNAMICS; MONOMERS; OPTIMIZATION; POLYOLEFINS; SEMICONDUCTOR DEVICE MANUFACTURE;

ANODE MODIFICATION; BIOMOLECULAR REACTION; EQUILIBRIUM POTENTIALS; KELVIN PROBE MEASUREMENTS; OPEN CIRCUIT VOLTAGE; ORGANIC LIGHT EMITTING DIODES; ORGANIC SEMICONDUCTOR DEVICES; POLY ETHYLENEDIOXYTHIOPHENE; SPACE CHARGE LIMITED ELECTRIC CURRENT;

LIGHT EMITTING DIODES;

EID: 0037515831     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.451856     Document Type: Conference Paper

References (25)

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. Bredas, M. Logdlund, and W. R. Salaneck, "Electroluminescence in conjugated polymers," Nature 397, pp. 121-128, 1999.
2. A. J. Heeger, "Light emission from semiconducting polymers: Light-emitting diodes, light-emitting electrochemical cells, lasers and white light for the future," Solid State Commun. 107, pp. 673-679, 1998.
3. J. Salbeck, Ber. Bunsenges. Phys. Chem. 100, pp. 1667-1677, 1996.
4. T. M. Brown, J. S. Kim, R. H. Friend, and F. Cacialli, R. Daik, and W. J. Feast, "Built-in field electroabsorption spectroscopy of polymer light-emitting diodes incorporating a doped poly(3,4-ethylene dioxythiophene) hole injection layer," Appl. Phys. Lett. 75, pp. 1679-1681, 1999.
5. G. G. Malliaras, J. R. Salem, P. J. Brock, and C. Scott, "Electrical characteristics and efficiency of single-layer organic light-emitting diodes," Phys. Rev. B 58, pp. R13411-R13414, 1998.
6. M. Gross, D. C. Müller, H.-G. Nothofer, U. Scherf, D. Neher, C. Bräuchle, and K. Meerholz, "Improving the performance of doped pi-conjugated polymers for use in organic light-emitting diodes," Nature 405, pp. 661-665, 2000.
7. H. Frohne, D. C. Müller, K. Meerholz, "Continuously Variable Hole Injection in Organic Light Emitting Diodes," ChemPhysChem, in press, 08/2002.
8. a) S. A. Carter, M. Angelopoulos, S. Karg, P. J. Brock, and J. C. Scott, "Polymeric anodes for improved polymer light-emitting diode performance", Appl. Phys. Lett. 70, pp. 2067-2069, 1997
9. b) J. C. Scott, S. A. Carter, S. Karg, and M. Angelopoulos, "Polymeric anodes for organic light-emitting diodes," Synth. Met. 85, pp. 1197-1200, 1997
10. Y. Cao, G. Yu, C. Zhang, R. Menon, and A. J. Heeger, "Polymer light-emitting diodes with polyethylene dioxythiophene polystyrene sulfonate as the transparent anode," Synth. Met 87, pp. 171-174, 1997.
11. G. Li, M. Josowicz, J. Janata, "Electrochemical modulation of the electronic properties in conducting poly(phenylenesulfidephenyleneamine)," Synth. Met. 125, pp. 273-278, 2001.
12. a) I. H. Campbell, T. W. Hagler, and D. L. Smith, "Direct Measurement of Conjugated Polymer Electronic Excitation Energies Using Metal/Polymer/Metal Structures," Phys. Rev. Lett. 76, pp. 1900-1903, 1996
13. 60-doped polymer interfaces," J. Appl. Phys. 81, pp. 3227-3231, 1997.
14. G. G. Malliaras, J. R. Salem, P. J. Brock, and J. C. Scott, "Photovoltaic measurement of the built-in potential in organic light emitting diodes and photodiodes," J. Appl. Phys. 84, pp. 1583-1587, 1998.
15. C. J. Brabec, N. S. Sariciftci, J. C. Hummelen, "Plastic Solar Cells," Adv. Funct. Mater. 11, pp. 15-26, 2001.
16. X. Wei, M. Raikh, Z. V. Vardeny, Y. Yang, D. Moses, "Photoresponse of poly(para-phenylenevinylene) light-emitting diodes," Phys. Rev. B 49, p. 17 480, 1994.
17. Handbook of Chemistry and Physics, CRC Press.
18. H. Frohne, S. E. Shaheen, C. J. Brabec, D. C. Müller, N. S. Sariciftci, K. Meerholz, "Influence of the anodic work function on the performance of organic solar cells," ChemPhysChem, in press, 09/2002.
19. G. G. Malliaras, J. C. Scott, J. Appl. Phys. 85, pp. 7426-7432, 1999.
20. R. H. Fowler, L. Nordheim, Proc. R. Soc. London Ser. A 119, pp. 173-181, 1928.
21. M. Wohlgenannt, K. Tandon, S. Mazumdar, S. Ramasesha, Z.V. Vardeny, "Formation cross-sections of singlet and triplet excitons in pi-conjugated polymers," Nature 409, pp. 494-497, 2001.
22. K. Meerholz, D. C. Müller, "Outsmarting waveguide losses in thin-film light-emitting diodes," Adv. Funct. Materials 11, pp. 251-253, 2001.
23. U. Albrecht, H. Bässler, "Efficiency of charge recombination in organic light emitting diodes," Chem. Phys. 199, pp. 207-214, 1995.
24. a) P. W. M. Blom, M. J. M. de Jong, J. J. M. Vleggaar, "Electron and hole transport in poly(p-phenylene vinylene) devices," J. Appl. Phys. 68, pp. 3308-3310, 1996
25. b) P. W. M. Blom, M. J. M. de Jong, S. Breedijk, "Temperature dependent electron-hole recombination in polymer light-emitting diodes," J. Appl. Phys. 71, pp. 930-932, 1997