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Molccular solid film semi-transparent photoelectrode of mesotetrapheny]porphyrin(TPP) is prepared by coating Nesa glass with TPP and a multi-layer liquid junction photovoltaic cell may be constructed by these electrodes so that high photovoltage or/and high photocurrent may be obtained. This construction is similar in certain respect to the construction of grana of plant chloroplast, and in a word, this electrode provides possible means of simulating photosynthesis. In this paper, the photovoltaic effect of various M-TPP and H_2TPP photoelectrodes have been comparatively studied with such liquid junction cells where M stands for Mg, Mn, Fe, Co, Ni, Cu, or Zn. From the action spectrum of the photoclectrode, it is shown that the total photoelectric effect of light beam corresponding to the Q-bands, which absorb very weakly, is strong enough even to be comparable with that of blue light absorbed as the B-band with very high molar extinction coefficient. This phenomenon is more rcmarkable for M-TPP as compa
Molccular solid film semi-transparent photoelectrode of mesotetrapheny] porphyrin (TPP) is prepared by coating Nesa glass with TPP and a multi-layer liquid junction photovoltaic cell may be constructed by these electrodes so that high photovoltage or / and high photocurrent may be obtained. This construction is similar in certain respect to the construction of grana of plant chloroplast, and in a word, this electrode provides possible of of simulating photosynthesis. In this paper, the photovoltaic effect of various M-TPP and H_2TPP photoelectrodes have been comparatively studied with Such liquid junction cells where M stands for Mg, Mn, Fe, Co, Ni, Cu, or Zn. From the action spectrum of the photoclectrode, it shows the total effect of light beams corresponding to the Q-bands, which absorb very weakly, is strong enough even to be comparable with that of blue light absorbed absorbed the B-band with very high molar extinction coefficient. This phenomenon is more rcmarkable for M-TPP as compa