Bright, multicoloured light-emitting diodes based on quantum dots

Nature Photonics

Volumn 1, Issue 12, 2007, Pages 717-722

  Sun, Qingjiang ^a   Wang, Y Andrew ^b   Li, Lin Song ^b   Wang, Daoyuan ^b   Zhu, Ting ^c   Xu, Jian ^c   Yang, Chunhe ^a   Li, Yongfang ^a  

^a INSTITUTE OF CHEMISTRY   (China)

^b OCEAN NANOTECH LLC   (United States)

^c The Pennsylvania State University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CORE-SHELL QUANTUM DOTS; ELECTROLUMINESCENT EFFICIENCIES; EMISSION WAVELENGTH; EMISSIVE LAYERS; LONG OPERATIONS; LOW TURN-ON VOLTAGES; MAXIMUM LUMINANCE; NARROW BANDWIDTH;

ELECTROLUMINESCENCE; FLAT PANEL DISPLAYS; LUMINANCE; SEMICONDUCTOR QUANTUM DOTS; ZINC SULFIDE;

LIGHT EMITTING DIODES;

EID: 36749058505     PISSN: 17494885     EISSN: 17494893     Source Type: Journal    
DOI: 10.1038/nphoton.2007.226     Document Type: Article

References (29)

1. Colvin, V. L., Schlamp, M. C. & Alivisatos, A. P. Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer. Nature 370, 354-357 (1994).
2. Dabbousi, B. O., Bawendi, M. G., Onitsuka, O. & Rubner, M. F. Electroluminescence from CdSe quantum-dot/polymer composites. Appl Phys. Lett. 66, 1316-1318 (1995).
3. Coe, S., Woo, W.-K., Bawendi, M. & Bulovic, V. Electroluminescence from single monolayers of nanocrystals in molecular organic devices. Nature 420, 800-803 (2002),
4. Zhao, J. et al. Efficient CdSe/CdS quantum dot light-emitting diodes using a thermally polymerized hole transport layer. Nano Lett. 6, 463-467 (2006).
5. Hikmet, R. A. M., Chin, P. T. K., Talapin, D. V. & Weller, H. Polarized-light-emitting quantum-rod diodes. Adv. Mater. 17, 1436-1439 (2005).
6. Coe-Sullivan, S., Steckel, J. S., Woo, W.-K., Bawendi, M. G. & Bulovic, V. Large-area ordered quantum-dot monolayers via phase separation during spin-casting. Adv. Funct: Mater. 15, 1117-1124 (2005).
7. Schlamp, M. C., Peng, X. & Alivisatos, A. P. Improved efficiencies in light emitting diodes made with CdSe(CdS) core/shell type nanocrystals and a semiconducting polymer, J. Appl. Phys. 82, 5837-5842 (1997).
8. Steckel, J, S. et al. Color-saturated green-emitting QD-LEDs. Angew. Chem. Int. Edn 45, 5796-5799 (2006).
9. Steckel, J, S. et al. Blue luminescence from (CdS)ZnS core-shell nanocrystals. Angew, Chem. Int. Edn 43, 2154-2158 (2004).
10. Mueller, A. H. et al. Multicolor light-emitting diodes based on semiconductor nanocrystals encapsulated in GaN charge injection layers. Nano Lett. 5, 1039-1044 (2005).
11. Zhao, J. et al. Electroluminescence from isolated CdSe/ZnS quantum dots in multilayered light-emitting diodes. J. Appl. Phys. 96, 3206-3210 (2004).
12. Chaudhary, S., Ozkan, M. & Chan, W. C. W. Trilayer hybrid polymer-quantum dot light-emitting diodes. Appl. Phys. Lett. 84, 2925-2927 (2004).
13. Gao, M. et al. Electroluminescence of different colors from polycation/CdTe nanocrystal self-assembled films. J. Appl. Phys, 87, 2297-2302 (2000).
14. O'Connor, E. et al. Near-infrared electroluminescent devices based on colloidal HgTe quantum dot arrays. Appl. Phys. Lett. 86, 201114 (2005).
15. Steckel, J. S. & Bowendi, M. G. 1.3-1.55 μm tunable electroluminescence from PbSe quantum dots embedded within an organic device. Adv. Mater. 15, 1682-1686 (2003).
16. Bakueva, L. et al. Size-tunable infrared (1000-1600 nm) electroluminescence from PbS quantum-dot nanocrystals in a semiconducting polymer. Appl. Phys. Lett. 82, 2895-2897 (2003).
17. Murray, C. B. & Bawendi, M. G. Synthesis and characterization of monodisperse nanocrystals and dose-packed nanocrystal assemblies, Annu. Rev. Mater. Sci. 30, 545-610 (2000).
18. Qu, L. & Peng, X. Control of photoluminescence properties of CdSe nanocrystals. J. Am. Chem. Soc. 124, 2049-2056 (2002).
19. Coe-Sullivan, S., Steckel, J. S., Kim, L. A., Bawendi, M. G. & Bulović, V. Method for fabrication of saturated RGB quantum dot light emitting devices. Proc. SPIE 5739, 108-115 (2005).
20. Li, Y. Q. et al. White organic light-emitting devices with CdSe/ZnS quantum dots as a red emitter. J. Appl. Phys. 97, 113501 (2005).
21. Xu, J. et al. Microcavity light emitting devices based on colloidal semiconductor nanocrystal quantum dots, IEEE Photon. Technol. Lett. 17, 2008-2010 (2005).
22. Peng, Z. A. & Peng, X. G. Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor. J. Am. Chem. Soc. 123, 183-184 (2001).
23. Li, J. J. et al. Large-scale synthesis of nearly monodisperse CdSe/CdS core/shell nanocrystals using air-stable reagents via successive ion layer adsorption and reaction J. Am. Chem. Soc. 125, 12567-12575 (2003).
24. Qu, L., Peng, Z. A. & Peng, X. Alternative routes towards high quality CdSe nanocrystals. Nano Lett. 1, 333-337 (2001).
25. Carter, J. C. et al. Operating stability of light-emitting polymer diodes based on polyfp-phenylene vinylene). Appl. Phys. Lett. 71, 34-36 (1997).
26. Sun, Q. J. et al. White light from polymer light-emitting diodes: utilization of fluorenone defects and exciplex. Appl. Phys. Lett. 88, 163510 (2006).
27. Sun, Q. J., Hou, J. H., Yang, C. H., Li, Y. F. & Yang, Y. Enhanced performance of white polymer light-emitting diodes using polymer blends as hole-transporting layers, Appl. Phys. Lett. 89, 153501 (2006).
28. Tang C. W. & Van Slyke, S. A. Organic electroluminescent diodes. Appl. Phys. Lett. 51, 913-915 (1987).
29. Yu, W. W., Qu, L., Guo, W & Peng, X. Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals, Chem. Mater. 15, 2854-2860 (2003).