Au-NaCuCph-Metal系中に湿度により誘起される電気的現象について

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  • Au NaCuCph Metalケイチュウ ニ シツド ヨリ ユウキサレル デ
  • On the Electrical Phenomena Induced with Humidity in the Au-Na Salt of Cu-Chlorophyllin-Metal Systems

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The present paper reveals that when Na salt of Cu-chlorophyllin sandwiched between Au（bottom electrode）and another metal（counter upper electrode）, that is, Au-NaCuCph-metal systems encounter with humid atmoshere, electromotive force and electric resistance change are induced between the two electrodes.　　The quantity of electromotive force is proportional to the relative humidity and also changes with different counter upper electrode materials.　　Three different systems, Au-NaCuCph-Ag, Au-NaCuCph-Ni and Au-NaCuCph-Cr were investigated. The quantity of electromotive force of these systems satisfied obviously the electro-chemical series.　　The mechanism which electromotive force is induced is not clear, but it might be imagined that these systems build up voltaic pile with humidity.　　　Also, the electric resistance between these　electrodes decreased markedly with increased relative humidity.　　It is considered that these both phenomena may be available to measure the relative humidity.

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