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把具有光电转换效能的有机染料或导电高聚物作为光敏剂修饰到半导体超微粒多孔膜上，使宽禁带宽度半导体吸收光波长扩展至可见和红外区，大大提高和改善了该复合电极的光电转换效率。本文对敏化剂的作用机理、修饰电极的光增感作用进行了研究与探讨。
The photoelectric conversion efficiency of the organic dye or conductive polymer as a photosensitizer modified to the semiconductor ultrafine porous film, so that a wide band-gap semiconductor light absorption wavelength extended to the visible and infrared, greatly improving and improving the composite electrode Photoelectric conversion efficiency. In this paper, the mechanism of sensitizer and the photo-sensitization effect of modified electrode were studied and discussed.