Exciton polarizability in semiconductor nanocrystals

Nature Materials

Volumn 5, Issue 11, 2006, Pages 861-864

  Wang, Feng ^a   Shan, Jie ^b   Islam, Mohammad A ^c   Herman, Irving P ^c   Bonn, Mischa ^d   Heinz, Tony F ^a  

^a Och Spine at New York Presbyterian Hospitals   (United States)

^b CASE WESTERN RESERVE UNIVERSITY   (United States)

^c FOM Institute AMOLF ^*  (United States)

^d FOM INSTITUTE AMOLF   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CADMIUM COMPOUNDS; ELECTRIC CHARGE; ELECTRIC FIELDS; ELECTROMAGNETIC PULSE; ELECTRON ENERGY LEVELS; EXCITONS; NANOSTRUCTURED MATERIALS; POLARIZATION;

ELECTRON-HOLE PAIRS; NANOMETER LENGTH SCALE; PHOTOEXCITATION; QUANTUM SYSTEMS; SEMICONDUCTOR NANOCRYSTALS;

SEMICONDUCTOR MATERIALS;

EID: 33750454748     PISSN: 14761122     EISSN: 14764660     Source Type: Journal    
DOI: 10.1038/nmat1739     Document Type: Article

References (35)

1. Woggon, U. Optical Properties of Semiconductor Quantum Dots (Springer, Berlin, 1997).
2. Murray, C. B., Norris, D. J. & Bawendi, M. G. Synthesis and characterization of nearly monodisperse CdE (E = S, Se, Te) semiconductor nanocrystallites. J. Am. Chem. Soc. 115, 8706-8715 (1993).
3. Norris, D. J. & Bawendi, M. G. Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots. Phys. Rev. B 53, 16338-16346 (1996).
4. Schmuttenmaer, C. A. Exploring dynamics in the far-infrared with terahertz spectroscopy. Chem. Rev. 104, 1759-1779 (2004).
5. Beard, M. C., Turner, G. M. & Schmuttenmaer, C. A. Size-dependent photoconductivity in CdSe nanoparticles as measured by time-resolved terahertz spectroscopy. Nano Lett. 2, 983-987 (2002).
6. Beard, M. C. et al Electronic couplingin in InP nanoparticle arrays. Nano Lett. 3, 1695-1699 (2003).
7. Cooke, D. G. et al. Anisotropic photoconductivity of InGaAs quantum dot chains measured by terahertz pulse spectroscopy. Appl. Phys. Lett. 85, 3839-3841 (2004).
8. Hines, M. A. & Guyot-Sionnest, F. Synthesis and characterization of strongly luminescing ZnS-capped CdSe nanocrystals. J. Phys. Chem. 100, 468-471 (1996).
9. Efros, A. L. & Rosen, M. The electronic structure of semiconductor nanocrystals. Annu. Rev. Mater. Sci. 30, 475-521 (2000).
10. Klimov, V. I. et al. Optical gain and stimulated emission in nanocrystal quantum dots. Science 290, 314-317 (2000).
11. 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).
12. Ginger, D. S. & Greenham, N. C. Charge injection and transport in films of CdSe nanocrystals. J. Appl. Phys. 87, 1361-1368 (2000).
13. Empedocles, S. A. & Bawendi, M. G. Quantum-confined Stark effect in single CdSe nanocrystallite quantum dots. Science 278, 2114-2117 (1997).
14. Sacra, A., Norris, D. J., Murray, C. B. & Bawendi, M. G. Stark spectroscopy of CdSe nanocrystallites - the significance of transition linewidths. J. Chem. Phys. 103, 5236-5245 (1995).
15. Seufert, J. et al. Stark effect and polarizability in a single CdSe/ZnSe quantum dot. Appl. Phys. Lett. 79, 1033-1035 (2001).
16. Klimov, V. I. Optical nonlinearities and ultrafast carrier dynamics in semiconductor nanocrystals. J. Phys. Chem. B 104, 6112-6123 (2000).
17. Beard, M. C., Turner, G. M. & Schmuttenmaer, C. A. Terahertz spectroscopy. J. Phys. Chem. B 106, 7146-7159 (2002).
18. Groeneveld, R. H. M. & Grischkowsky, D. Picosecond time-resolved far-infrared experiments on carriers and excitons in GaAs-AlGaAs multiple-quantum wells. J. Opt Soc. Am. B 11, 2502-2507 (1994).
19. Hegmann, F. A., Tykwinski, R. R., Lui, K. P. H., Bullock, J. E. & Anthony, J. E. Picosecond transient photoconductivity in functionalized pentacene molecular crystals probed by terahertz pulse spectroscopy. Phys. Rev. Lett. 89, 227403 (2002).
20. Thorsmolle, V. K. et al. Ultrafast conductivity dynamics in pentacene probed using terahertz spectroscopy. Appl. Phys. Lett. 84, 891-893 (2004).
21. Huber, R. et al. How many-particle interactions develop after ultrafast excitation of an electron-hole plasma. Nature 414, 286-289 (2001).
22. Shan, J., Wang, F., Knoesel, E., Bonn, M. & Heinz, T. F. Measurement of the frequency-dependent conductivity in sapphire. Phys. Rev. Lett. 90, 247401 (2003).
23. Averitt, R. D. et al. Ultrafast conductivity dynamics in colossal magnetoresistance manganites. Phys. Rev. Lett. 87, 17401 (2001).
24. Beard, M. C., Turner, G. M. & Schmuttenmaer, C. A. Transient photoconductivity in GaAs as measured by time-resolved terahertz spectroscopy. Phys. Rev. B 62, 15764-15777 (2000).
25. Turchinovich, D. et al Ultrafast polarization dynamics in biased quantum wells under strong femtosecond optical excitation. Phys. Rev. B 68, 241307 (2003).
26. Muller, T., Parz, W., Strasser, G. & Unterrainer, K. Pulse-induced quantum interference of intersubband transitions in coupled quantum wells. Appl. Phys. Lett 84, 64-66 (2004).
27. Kaindl, R. A., Carnahan, M. A., Hagele, D., Lovenich, R. & Chemla, D. S. Ultrafast terahertz probes of transient conducting and insulating phases in an electron-hole gas. Nature 423, 734-738 (2003).
28. Hendry, E. et al. Direct observation of electron-to-hole energy transfer in CdSe quantum dots. Phys. Rev. Lett. 96, 057408 (2006).
29. Knoesel, E., Bonn, M., Shan, I. & Heinz, T. F. Charge transport and carrier dynamics in liquids probed by THz time-domain spectroscopy. Phys. Rev. Lett. 86, 340-343 (2001).
30. Underwood, D. F., Kippeny, T. & Rosenthal, S. J. Ultrafast carrier dynamics in CdSe nanocrystals determined by femtosecond fluorescence upconversion spectroscopy. J. Phys. Chem. B 105, 435-443 (2001).
31. Guyot-Sionnest, P., Shim, M., Matranga, C. & Hines, M. Intraband relaxation in CdSe quantum dots. Phys. Rev. B 60, R2181-R2184 (1999).
32. Lide, D. R Handbook of Chemistry and Physics (CRC Press, New York, 1999).
33. Choy, T. C. Effective Medium Theory-Principles and Applications (Oxford Science Publications, Oxford, 1999).
34. Gelinck, G. H. et al. Measuring the size of excitons on isolated phenylene-vinylene chains: From dimers to polymers. Phys. Rev. B 62, 1489-1491 (2000).
35. Nahata, A., Weling, A. S. & Heinz, T. F. A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling. Appl. Phys. Lett. 69, 2321-2323 (1996).