Ultrafast dynamics of carrier-induced absorption changesin highly-excited CdSe nanocrystals
| Publikationstyp: | Zeitschriftenartikel |
| URI (zitierfähiger Link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-44423 |
| Autor/innen: | Hunsche, Stefan; Dekorsy, Thomas; Klimov, Victor; Kurz, Heinrich |
| Erscheinungsjahr: | 1996 |
| Erschienen in: | Applied Physics B ; 62 (1996), 1. - S. 3-10. - ISSN 0946-2171. - eISSN 1432-0649 |
| DOI (zitierfähiger Link): | https://dx.doi.org/10.1007/BF01081240 |
| Zusammenfassung: |
We use femtosecond time-resolved transmission spectroscopy to study the density and time dependence of transient absorption changes of CdSe nanocrystals. Our data show pronounced absorption saturation up to complete bleaching of the lowest optical transition. At high carrier density the nonlinear spectra show several peaks that can be related to the two lowest quantized electron states. Thevtime dependence of the carrier-induced absorption changes indicates an ultrafast relaxation process within the strongly broadened absorption lines.
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| PACS-Klassifikation: | 71.35.+z; 73.20.Dx; 78.47.+p |
| Fachgebiet (DDC): | 530 Physik |
| Link zur Lizenz: | Deposit-Lizenz |
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HUNSCHE, Stefan, Thomas DEKORSY, Victor KLIMOV, Heinrich KURZ, 1996. Ultrafast dynamics of carrier-induced absorption changesin highly-excited CdSe nanocrystals. In: Applied Physics B. 62(1), pp. 3-10. ISSN 0946-2171. eISSN 1432-0649
@article{Hunsche1996Ultra-9082, title={Ultrafast dynamics of carrier-induced absorption changesin highly-excited CdSe nanocrystals}, year={1996}, doi={10.1007/BF01081240}, number={1}, volume={62}, issn={0946-2171}, journal={Applied Physics B}, pages={3--10}, author={Hunsche, Stefan and Dekorsy, Thomas and Klimov, Victor and Kurz, Heinrich} }
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