基于有机太阳电池结构的发展,首先对四种典型有机太阳电池器件结构和工作原理进行介绍和分析,即单层肖特基型太阳电池、双层异质结太阳电池、本体异质结太阳电池和叠层太阳电池。太阳电池的微电子和光子结构可以通过太阳电池模拟软件和计算机编程等数值模拟方法得到有效分析,详细阐述了国内外研究机构对有机太阳电池的模拟仿真结果。在此基础上,重点分析了数值模拟仿真中载流子迁移率、活性层厚度、带尾宽度和温度等参数对有机太阳电池性能特性的影响。最后,为获得性能最佳的有机太阳电池,提出器件结构优化方案并展望了有机太阳电池器件模拟研究的未来发展方向。
Based on the development of organic solar cell structures,the device structures and working principles of four kinds of typical organic solar cells are introduced and analyzed,such as single-layered Schottky solar cells,bi-layered heterojunction solar cells,bulk heterojunction solar cells and tandem solar cells.The microelectronic and photon structures of solar cells can be effectively analyzed by the numerical simulation methods,such as the solar cell simulation software and computer programming.The simulation results of organic solar cells for the domestic and foreign research institutions are expounded.On this basis,the parameters in the numerical simulation which affect the performance of organic solar cells,such as carrier mobility,active layer thickness,band tail width,temperature and other parameters,are analyzed emphatically.Finally,in order to obtain the organic solar cell with the best performance,the optimum proposal of the device structure is presented,and the future development directions of device simulation research for organic solar cells are prospected.