Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
CATHODIC PHOTO-EFFECT AT CdS ELECTRODE IN AQUEOUS POLYSULFIDE SOLUTION
Hideki MinouraMasayasu Tsuiki
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1978 Volume 7 Issue 2 Pages 205-208

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Abstract

In an aqueous polysulfide solution, a remarkable cathodic photocurrent was observed on the (000\bar1) face of a single crystal CdS electrode in addition to the usual anodic photocurrent. It can be presumed that this cathodic photocurrent is due to the reduction of polysulfide ion by the photo-generated electron and is associated with the presence of the surface states which are in the forbidden gap of CdS.

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