CINECA IRIS Institutional Research Information System
IRIS è la soluzione IT che facilita la raccolta e la gestione dei dati relativi alle attività e ai prodotti della ricerca. Fornisce a ricercatori, amministratori e valutatori gli strumenti per monitorare i risultati della ricerca, aumentarne la visibilità e allocare in modo efficace le risorse disponibili.
EnglishWe study the electronic structure of CdTe spheres (dots) and tetrapods by absorption, fluorescence, and photoluminescence-excitation (PLE) spectroscopy. A series of quantum dots with different diameter and tetrapods with varying arm length and diameter is investigated in solution at room temperature. We observe a significant impact of the geometrical shape of the nanocrystals on the optical response. In particular we find a double peak in the emission of tetrapods as a characteristic feature of this nanocrystal geometry. We observe a pronounced Stokes shift for the tetrapod and dot samples which depends sensitively on the crystal size. (c) 2005 Elsevier Ltd. All rights reserved.
| Titolo: | Optical properties of colloidal nanocrystal spheres and tetrapods |
| Autori: | |
| Data di pubblicazione: | 2005 |
| Rivista: | |
| Abstract: | We study the electronic structure of CdTe spheres (dots) and tetrapods by absorption, fluorescence, and photoluminescence-excitation (PLE) spectroscopy. A series of quantum dots with different diameter and tetrapods with varying arm length and diameter is investigated in solution at room temperature. We observe a significant impact of the geometrical shape of the nanocrystals on the optical response. In particular we find a double peak in the emission of tetrapods as a characteristic feature of this nanocrystal geometry. We observe a pronounced Stokes shift for the tetrapod and dot samples which depends sensitively on the crystal size. (c) 2005 Elsevier Ltd. All rights reserved. |
| Handle: | http://hdl.handle.net/11587/107887 |
| Appare nelle tipologie: | Articolo pubblicato su Rivista |
File in questo prodotto:
Copyright © 2020