Singh, Karamjit and Kumar, Sunil and Verma, N. K. and Bhatti, H. S. (2009) Photoluminescence properties of Eu3+-doped Cd1−x Zn x S quantum dots. Journal of Nanoparticle Research, 11 (4). pp. 1017-1021.
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Official URL: http://www.springerlink.com/content/t11r531264p265...
Abstract
Eu3+-doped Cd1−x Zn x S (0 ≤ x ≤ 0.5) quantum dots (QDs) have been synthesized using wet chemical precipitation method. X-ray diffraction and transmission electron microscope have been used for the crystallographic and morphological characterization of synthesized nanomaterials. In order to understand the spectral characteristics of doped QDs, N2-laser induced time resolved spectra have been recorded. Excited state lifetime values for dichromatic emission (red and violet) attributed to 5D0 → 7FJ (J = 1, 2) transitions of Eu3+ and host lattice transitions have been calculated from the recorded luminescence decay curves. Decay time dependence on the dopant concentration (0.01–10 at. wt% of Cd2+) has been studied in detail.
| Item Type: | Article |
|---|---|
| ID Code: | 4508 |
| Deposited By: | Prof. Alexey Ivanov |
| Deposited On: | 08 May 2009 06:16 |
| Last Modified: | 08 May 2009 09:53 |
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