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Absorption Spectrum and Chemical Reactions of Colloidal Cadmium in Aqueous Solution

Published online by Cambridge University Press:  15 February 2011

M. Gutiérrez  and
A. Henglein
M. Gutiérrez
Affiliation:
Hahn-Meitner-Institut Berlin GmbH, Bereich S, 100 Berlin 39, FRG.
A. Henglein
Affiliation:
Hahn-Meitner-Institut Berlin GmbH, Bereich S, 100 Berlin 39, FRG.
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Abstract

A radiolysis method is described to prepare isolated cadmium particles in aqueous solution. The spectrum of these particles (narrow band at 260nm) agrees with the spectrum calculated from the optical data of cadmium. Clusters of particles absorb at longer wavelengths. Redox reactions of the particles with methyl viologen, nitrous oxide and carbon tetrachloride were also investigated. It is shown that the absorption spectrum of the particles changes during these reactions as de-clustering takes place.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 272: Symposium O – Chemical Processes in Inorganic Materials: Metal and Semiconductor Clusters , 1992 , 183
Copyright
Copyright © Materials Research Society 1992

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References

LITERATURE

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