Abstract
The generation of photocarriers and their transport processes in poled poly(vinylidene fluoride) films under light illumination are discussed from the viewpoint of a ferroelectric property of β form crystals. We observed not only a pyroelectric current but an additional current due to anomalous photovoltaic effect. The open circuit photovoltage was estimated as 4×104 V, which exceeds the band gap potential of PVDF more than three decades. Because of the high resistivity of PVDF, the conversion efficiency of light to electric energy is still quite low (ca. 0.25%), but further improvements are suggested.
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Sasabe, H., Nakayama, T., Kumazawa, K. et al. Photovoltaic Effect in Poly(vinylidene fluoride). Polym J 13, 967–973 (1981). https://doi.org/10.1295/polymj.13.967
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DOI: https://doi.org/10.1295/polymj.13.967
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