Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-21T15:46:50.090Z Has data issue: false hasContentIssue false
  • English
  • Français

ZnS nanoparticles synthesis and characterization

Published online by Cambridge University Press:  01 February 2011

Yvonne Axmann ,
Alke Petri  and
Heinrich Hofmann
Yvonne Axmann
Affiliation:
Powder Technology Laboratory, Materials Science and Engineering Department, Swiss Federal Institute of Technology, EPFL, CH-1015 Lausanne, Switzerland
Alke Petri
Affiliation:
Powder Technology Laboratory, Materials Science and Engineering Department, Swiss Federal Institute of Technology, EPFL, CH-1015 Lausanne, Switzerland
Heinrich Hofmann
Affiliation:
Powder Technology Laboratory, Materials Science and Engineering Department, Swiss Federal Institute of Technology, EPFL, CH-1015 Lausanne, Switzerland
Get access

Abstract

ZnS:Mn2+ nanoparticles were synthesized via a wet chemical method with L-cysteine as the stabilizing agent. The obtained aqueous dispersions show an orange luminescence, which is typical for the 4T1 → 6A1 transition within the Mn2+ d-orbitals. The fluorescence quantum yield has been determined with quinine sulphate as a dye reference. It can be increased after formation of a SiO2 shell around the particles by a factor of three. The particle size was determined with transmission electron microscopy (TEM), X-ray diffraction and PCS measurements.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 789 , 2003 , N11.23
Copyright
Copyright © Materials Research Society 2004

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Bruchez, M. Jr, Maronne, M., Gin, P., Weiss, S. and Alivisatos, A. P., Science 281, 2013 (1998)Google Scholar
2. Gumlich, H.-E., J. Lumin. 23, 73 (1981)Google Scholar
3. Levy, L., Feltin, N., Ingert, D., Pileni, M.P., J. Phys. Chem. B, 101, 9153 (1997)Google Scholar
4. Kennedy, T.A., Glaser, E.R., Kelin, P.B., Bhargava, R.N., Phys. Rev. B, 52, R14356 (1995)Google Scholar
5. Counio, G., Esnouf, S., Gacoin, T., Boilot, J.P., J. Phys. Chem., 100, 20021 (1996)Google Scholar
6. Sooklal, K., Cullum, B. S., Angel, S. M. and Murphy, C. J., J. Phys. Chem. 100, 4551 (1996)Google Scholar
7. Alivisatos, A. P., J. Phys. Chem. 100, 13226 (1996)Google Scholar
8. Velikov, K. P., Langmuir 17, 4779 (2001)Google Scholar
9. Lakowicz, J. R., Principles of Fluorescence Spectroscopy, Edition (Kluwer Academic/Plenum Publishers, New York, 1983) p. 257–260 Google Scholar
10. Lu, S. W., Lee, B. I., Wang, Z. L., Tong, W., Wagner, B. K., Park, W. and Summers, C. J., J. Lumin. 92, 73 (2001)Google Scholar