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Photo-electrochemical solar cells with a SnO2-liquid junction sensitized with highly concentrated dyes

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Abstract

The sensitization of a SnO2-liquid junction cell with highly concentrated dyes was investigated. The dyes used were Crystal Violet, Methyl Violet B, Malachite Green, Pararosaniline, and Rhodamine B. Anomalous or positive photovoltages were obtained in the system when Fe(CN) 3−6 was added. The performance of the photovoltaic cells showed an open-circuit photovoltage,V oc, of 175 mV, a short-circuit photocurrent,I sc, of 12 μA, and a fill factor of 0.42. The action spectra resembled the absorption spectra of the aggregated dyes. A D-D mechanism is introduced to explain the anomaly of the photovoltage of the SnO2 electrode sensitized with the dyes. This behaviour is relevant to the practical usage of such photo-electrochemical cells and merits further investigation.

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Authors and Affiliations

  1. Department of Industrial Chemistry, Faculty of Technology, Tokyo Metropolitan University, 2-Fukazawa, Setagaya-ku, 158, Tokyo, Japan

    Michiko Shimura & Kiyoaki Shakushiro

  2. Department of Industrial Chemistry, Faculty of Technology, Kanto-gakuin University, Mutsuura, Kanazawa-ku, 236, Yokohama, Japan

    Yukio Shimura

Authors
  1. Michiko Shimura
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  2. Kiyoaki Shakushiro
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  3. Yukio Shimura
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Shimura, M., Shakushiro, K. & Shimura, Y. Photo-electrochemical solar cells with a SnO2-liquid junction sensitized with highly concentrated dyes. J Appl Electrochem 16, 683–692 (1986). https://doi.org/10.1007/BF01006920

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  • DOI: https://doi.org/10.1007/BF01006920

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