Dependence Of The Sprayed Cds Photoelectrode Behaviour Upon The Pyrolysis Atmosphere

Jean Ebothe

doi:10.1117/12.949917

6 March 1989 Dependence Of The Sprayed Cds Photoelectrode Behaviour Upon The Pyrolysis Atmosphere

Jean Ebothe

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949917
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

In dark conditions as well in light , the behaviour of CdS films sprayed under the same conditions varies with the atmosphere used during the process of pyrAolys,ls . The study of the current-voltage ( J-E ) characteristics , drawn from a CdS / (S_x^-2/S^-2) liquid schottky barrier reveals some changes in the potential value related to the onset dark-current . Analysis of the film's photoresponse shows that a specific behaviour of the photocurrent J_p parameter plotted against E is obtained with each the pyrolyzed samples. The film composition and its surface texture appear to provide the most likely explanation for this phenomenon . Regenerative cell made of CdS photoanode is highly efficient with N₂ -treated samples . The lower power conversion corresponds to films pyrolyzed in He atmosphere . The use of H₂ as described in this paper , leads to an interfacial instability

Citation Download Citation

Jean Ebothe "Dependence Of The Sprayed Cds Photoelectrode Behaviour Upon The Pyrolysis Atmosphere", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949917

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