High-efficiency fluorescent organic light-emitting devices using a phosphorescent sensitizer

Nature

Volumn 403, Issue 6771, 2000, Pages 750-753

  Baldo, M A ^a   Thompson, M E ^b   Forrest, S R ^a  

^a Princeton University   (United States)

^b UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ORGANIC COMPOUND;

ANALYTIC METHOD; ARTICLE; CHEMICAL STRUCTURE; DEVICE; ENERGY TRANSFER; FLUORESCENCE; LUMINESCENCE; MOLECULAR INTERACTION; PHOSPHORESCENCE; PRIORITY JOURNAL;

EID: 0034677475     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/35001541     Document Type: Article

References (18)

1. Baldo, M. A. et al. Highly efficient phosphorescent emission from organic electroluminescent devices. Nature 395, 151-154 (1998).
2. Baldo, M. A., Lamansky, S., Burrows, P. E., Thompson, M. E. & Forrest, S. R. Very high-efficiency green organic light-emitting devices based on electrophosphorescence. Appl. Phys. Lett. 75, 4-6 (1999).
3. VanSlyke, S. A. & Tang, C. W. Organic electroluminescent devices having improved power conversion efficiencies. (US Patent No. 4539507, 1985).
4. Baldo, M. A., O'Brien, D. F., Thompson, M. E. & Forrest, S. R. The excitonic singlet-triplet ratio in a semiconducting organic thin film. Phys. Rev. B 60, 14422-14428 (1999).
5. Klessinger, M. & Michl, J. Excited States and Photochemistry of Organic Molecules (VCH Publishers, New York, 1995).
6. Cleave, V., Yahioglu, G., Le Barny, P., Friend, R. & Tessler, N. Harvesting singlet and triplet energy in polymer LEDs. Adv. Mater. 11, 285-288 (1999).
7. Chen, C. H., Shi, J. & Tang, C. W. Recent developments in molecular organic electroluminescent materials. Macromol. Symp. 125, 1-48 (1997).
8. Brackmann, U. Lambdachrome Laser Dyes (Lambda Physik, Gottingen, 1997).
9. Forster, T. Transfer mechanisms of electronic excitation. Discuss. Faraday Soc. 27, 7-17 (1959).
10. Ermolaev, V. L. & Sveshnikova, E. B. Inductive-resonance transfer of energy from aromatic molecules in the triplet state. Dokl. Akad. Nauk 149, 1295-1298 (1963).
11. Berggren, M., Dodabalapur, A., Slusher, R. E. & Bao, Z. Light amplification in organic thin films using cascade energy transfer. Nature 389, 466-469 (1997).
12. 3) thin films. Chem. Phys. Lett. 249, 433-437 (1996).
13. Vander Donckt, E., Camerman, B., Hendrick, F., Herne, R. & Vandeloise, R. Polystyrene immobilized Ir(III) complex as a new material for oxygen sensing. Bull. Soc. Chim. Belg. 103, 207-211 (1994).
14. Bulovic, V. et al. Bright, saturated, red-to-yellow organic light-emitting devices based on polarization-induced spectral shifts. Chem. Phys. Lett. 287, 455-460 (1998).
15. Chen, C. H., Tang, C. W., Shi, J. & Klubeck, K. P. Improved red dopants for organic electroluminescent devices. Macromol. Symp. 125, 49-58 (1997).
16. Bulovic, V., Deshpande, R., Thompson, M. E. & Forrest, S. R. Tuning the color emission of thin film molecular organic light emitting devices by the solid state solvation effect. Chem. Phys. Lett. 308, 317 (1999).
17. Tang, C. W., VanSlyke, S. A. & Chen, C. H. Electroluminescence of doped organic thin films. J. Appl. Phys. 65, 3610-3616 (1989).
18. O'Brien, D. F., Baldo, M. A., Thompson, M. E. & Forrest, S. R. Improved energy transfer in electrophosphorescent devices. Appl. Phys. Lett. 74, 442-444 (1999).