Title :
Intrinsic room temperature linewidth of CdSe/ZnS nanocrystals
Author :
Liptay, T.J. ; Ram, R.J. ; Fisher, B.R. ; Bawendi, M.G.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Univ., Cambridge, MA, USA
Abstract :
The temperature dependence of a single (ensemble weighted) CdSe/ZnS nanocrystal absorption linewidth is measured. The results are consistent with electron-optical phonon scattering as the dominant broadening mechanism at room temperature.
Keywords :
II-VI semiconductors; cadmium compounds; electro-optical effects; electron-phonon interactions; nanostructured materials; optical materials; spectral line breadth; thermo-optical effects; visible spectra; zinc compounds; 293 to 298 K; CdSe-ZnS; CdSe-ZnS nanocrystals; electron-optical phonon scattering; intrinsic room temperature linewidth; nanocrystal absorption linewidth measurement; Absorption; Acoustic measurements; Electric variables measurement; Energy measurement; Nanocrystals; Optical scattering; Phonons; Spectroscopy; Temperature; Zinc compounds;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549033
