溶液法制备有机太阳电池阳极界面修饰层MoO3

摘要

在全溶液低温制备高效、稳定有机光伏器件过程中,合理选择制备器件界面修饰材料的方法至关重要,它已成为近期有机光伏领域的重点研究内容之一.合理的界面材料能降低界面的势垒高度,减少器件的串联电阻.溶液法制备三氧化钼(MoO3)阳极界面缓冲层能有效地改善有机太阳电池阳极界面收集和载流子传输的效率,从而提高太阳电池能量转换效率,同时也提高太阳电池的稳定性.本文综述了近年来溶液法制备有机太阳电池阳极界面修饰层MoO3的研究进展,介绍了阳极界面修饰层MoO3的各种制备方法与原理,阐述了基于溶液法制备界面修饰层MoO3薄膜的研究现状与存在问题,以期为全溶液法制备高效稳定有机太阳电池的研究提供有价值的参考.%For the whole solution-processed efficient and stable organic photovoltaic devices at low temperature,reasonably selecting the method of interface modification material preparation is very crucial.It has become one of the most focuses in research community of organic photovoltaics in recent years.By choosing suitable interfacial materials,the energetic barrier height at the interface could be reduced to form an ohmic contact with less series resistance,inducing high charge collection efficiency of the corresponding electrodes for holes or electrons.Solution-prepared molybdenum oxide (MoO3) as anode buffer layer can effectively improve the efficiency of interface collection and carrier transmission,improving the energy conversion efficiency and stability of organic solar cells.This article reviews the research progress of anode buffer layer MoO3 of organic solar cells in recent years,introduces the some preparation methods and principles of MoO3 as anode interface layers,elaborated the current situation and existing problems of MoO3 film based on the prepared solution of interfacial modification,which provides valuable references for the fabrication of the efficient and stable organic solar cells.We believe that solution-processed MoO3 will play a key role as buffer layers in the future fabrication of large area and flexible organic photovoltaic devices with high performance and long term stability.