Semiconductor Electrodes: XVIII . Liquid Junction Photovoltaic Cells Based on Electrodes and Acetonitrile Solutions

1979 ◽  
Vol 126 (4) ◽  
pp. 603-608 ◽  
Author(s):  
Paul A. Kohl ◽  
Allen J. Bard
Keyword(s):  
Photovoltaic Cells ◽  
Liquid Junction ◽  
Acetonitrile Solutions ◽  
Semiconductor Electrodes

The Influence of Contact Adsorbed Ions on the Photoelectrochemical Behaviour of α-HgS

1982 ◽  
Vol 37 (4) ◽  
pp. 353-357
Author(s):  
D. Repenning ◽  
R. Schumacher ◽  
R. N. Schindler
Keyword(s):  
Chemical Reaction ◽  
Flat Band ◽  
Photoelectrochemical Properties ◽  
Liquid Junction ◽  
Transition Potential ◽  
Halide Anions ◽  
Semiconductor Electrodes ◽  
Adsorptive Properties

Abstract Results are reported to describe the influence of additives on the photoelectrochemical properties of the liquid junction α-HgS/electrolyte. The semiconductor electrodes were prepared by sublimation of α-HgS on Au substrates. The electrolyte was modified by additives such as Cl-, Br-, J-, and CN- ions. It was found that these anions play an important role in determining the flat band Vfb and the transition potential Vtr. Generally, both the nature and the concentration of the additives affect Vfb and Vtr.The results are interpreted in terms of contact adsorption of the used anions. It is further indicated that the adsorptive properties can be correlated to a possible chemical reaction of mercury cations with halide anions to form insoluble layers at the surface.

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