New photocatalysts: Dispersed semiconductor materials with microheterojunctions |
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Authors: | A. I. Kryukov S. Ya. Kuchmii A. V. Korzhak N. F. Guba S. V. Kulik |
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Affiliation: | (1) L. V. Pisarzhevskii Institute of Physical Chemistry, Academy of Sciences of Ukraine, Kiev |
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Abstract: | We have obtained new semiconductor materials with microheterojunctions by substitution of surface cadmium ions in CdS by Cu(I), Cu(II), and Bi(III) ions. We have shown that the photocatalytic activity of their dispersions in the reaction of evolution of H2 from alcohol-water mixtures is considerably higher than in the original cadmium sulfide.Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 29, No. 3, pp. 270–274, May–June, 1993.We would like to acknowledge Academician V. D. Pokhodenko of the Academy of Sciences of Ukraine for drawing our attention to the prospects for investigation of complex photocatalytic systems based on semiconductors with different types of conductivity. |
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