Demonstration of a shell-core structure in layered CdSe-ZnSe small particles by x-ray photoelectron and Auger spectroscopies

Carolyn F. Hoener, Kristi Ann Allan, Allen J. Bard, Alan Campion, Marye Anne Fox, Thomas E. Mallouk, Stephen E. Webber, J. M. White

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Abstract

The preferential positioning of different cations near the surface or at the center of small layered CdSe-ZnSe particles believed to have a shell-core structure has been demonstrated by the relative attenuation of the primary photoelectron and X-ray excited Auger signals from each cation. The preparation of the layered particles is described, and their absorption spectra are compared with those observed in "unstructured" particles of like composition.

Original languageEnglish (US)
Pages (from-to)3812-3817
Number of pages6
JournalJournal of physical chemistry
Volume96
Issue number9
StatePublished - Dec 1 1992

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All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Hoener, C. F., Allan, K. A., Bard, A. J., Campion, A., Fox, M. A., Mallouk, T. E., Webber, S. E., & White, J. M. (1992). Demonstration of a shell-core structure in layered CdSe-ZnSe small particles by x-ray photoelectron and Auger spectroscopies. Journal of physical chemistry, 96(9), 3812-3817.