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Photoconductive Effect of Liquid and Utilization of Solar Energy

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DOI: 10.4236/ojpc.2014.41003    7,985 Downloads   10,644 Views  


Experiments described in this paper show that there is the photoconductive effect of liquid, i.e. when light shines into a sort of alkali, acid or salt solution, the conductivity of the solution will increase. The mechanism of the effect is explained as follows. When hydrated ions in the solution absorb photons with their high enough energies, they will decompose to naked ions and water-molecules. The naked ions can reach an anode or a cathode more easily and faster than the hydrated ions; It is possible that when a molecule in the solution absorbs a photon with its high enough energy, it will decompose to negative and positive ions. Based on the effect, a device producing hydrogen by the solar-energy had been devised.

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The authors declare no conflicts of interest.

Cite this paper

Z. Chen and S. Chen, "Photoconductive Effect of Liquid and Utilization of Solar Energy," Open Journal of Physical Chemistry, Vol. 4 No. 1, 2014, pp. 15-20. doi: 10.4236/ojpc.2014.41003.


[1] R. H. Bube, “Photoconductivity of Solids,” New York, 1960, pp. 56-74,325-356.
[2] E. D. Korlyakov, “The Becquerel Effect,” Soviet Physics Journal, Vol. 12, No. 8, 1968, pp. 1054-1056.

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