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Appearance of autocatalysis in the production of molecular hydrogen by a photoreaction on semiconductor heterojunctions

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Abstract

The photocatalytic evolution of H2 from ethanol and aqueous solutions of Na2SO3 and Na2S by suspensions of CdS/Cu2+ and CdS/Bi3+ microheterojunctions has been investigated. The appearance of autocatalysis has been obtained, attributed to a lowering of the energy barrier of the reaction; it is caused by a change in the work function of an electron from the palladium co-catalyst, due to its saturation by the product (hydrogen).

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References

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Authors and Affiliations

  1. L. V. Pisarzhevskii Institute of Physical Chemistry, Academy of Sciences of Ukraine, Kiev

    A. I. Kryukov, S. Ya. Kuchmii, A. V. Korzhak & S. V. Kulik

Authors
  1. A. I. Kryukov
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  2. S. Ya. Kuchmii
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  3. A. V. Korzhak
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  4. S. V. Kulik
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Additional information

Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 29, No. 5, pp. 435–440, September–October, 1993.

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Kryukov, A.I., Kuchmii, S.Y., Korzhak, A.V. et al. Appearance of autocatalysis in the production of molecular hydrogen by a photoreaction on semiconductor heterojunctions. Theor Exp Chem 29, 290–293 (1994). https://doi.org/10.1007/BF00531464

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  • DOI: https://doi.org/10.1007/BF00531464

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