PHOTOELECTROCHEMICAL PROPERTIES OF MULTILAYERED THIN-FILMS COMPOSED OF CHALCOGENIDE AND SUPERIONIC CONDUCTOR GLASSES

Multi-layered thin films, which consisted of metallic silver, GeSe3 gl ass, and silver oxyhalide superionic conductor glass were prepared. Ph oto- and electrochemical reaction of metallic silver with the chalcoge nide glass layer was studied by optical absorbance and cyclic-voltamme try. Photo-doping of silver through the superionic glass layer was obs erved using evaporated AgI-Ag2MoO4 film and it was partly undoped by e lectrochemical treatment. However, no photo-doping was observed for th e cell consisting of a AgI-AgPO3 dip-coated layer. The doped silver wa s dissolved into the GeSe3 layer during the photo-doping process. Howe ver, it formed another intermediate compound layer (probably silver se lenide) during the electrodoping process.