申请人:Mitsubishi Chemical Corporation
公开号:EP2463929A1
公开(公告)日:2012-06-13
There is provides a photoelectric conversion device material which can be used as an electrode buffer material for a solar cell or the like and can improve durability while maintaining the interaction with an electrode and mobility; a photoelectric conversion device using the photoelectric conversion device material; and a solar cell using the photoelectric conversion device. A photoelectric conversion device containing a buffer layer and an active layer, wherein the buffer layer contains a compound represented by the following general formula (I), the active layer contains an n-type semiconductor, and the n-type semiconductor is a compound having a solubility in toluene of 0.5% by weight or more at 25°C and having an electron mobility of 1.0×10-6 cm2/Vs or more.
本发明提供了一种光电转换装置材料,该材料可用作太阳能电池等的电极缓冲材料,并能在保持与电极的相互作用和流动性的同时提高耐用性;一种使用该光电转换装置材料的光电转换装置;以及一种使用该光电转换装置的太阳能电池。一种包含缓冲层和活性层的光电转换装置,其中缓冲层包含由以下通式(I)表示的化合物,活性层包含n型半导体,n型半导体是在25℃时在甲苯中的溶解度为0.5%(重量)或更高并且电子迁移率为1.0×10-6 cm2/Vs或更高的化合物。