Abstract

The capability of carrier collection was investigated for an organic heterointerface with conductive polymer nanofibers and a fullerene derivative. The electrospinning method was employed for fabricating conductive polymer nanofibers. In a photovoltaic device with this heterointerface, a rather large photocurrent was obtained in spite of the fact that the polymer nanofibers were large at submicrometer diameter. It was considered that conductive polymer nanofibers can serve as a conduction path for photoinduced carriers and might be helpful for the marked improvement in power conversion efficiency of organic thin film solar cell.

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