钙钛矿太阳电池载流子传输-复合模型研究  

ELECTRON TRANSMISSION-COMPOSITE MODEL ANALYSIS OF PEROVSKITE SOLAR CELL

作　　者：潘武淳 王磊[1,2] 张深[1] 王鼎 李铭章[1] 张臻 Pan Wuchun;Wang Lei;Zhang Shen;Wang Ding;Li Mingzhang;Zhang Zhen(College of Mechanical and Electrical Engineering,Hohai University,Changzhou 213022,China;State Key Laboratory of PV Science and Technology,Changzhou Trinasolar Energy Limited Company,Changzhou 213031,China;Changzhou Key Laboratory of Photovoltaic System Integration and Production Equipment Technology,Changzhou 213022,China)

机构地区：[1]河海大学机电工程学院,常州213022 [2]常州天合光能有限公司光伏科学与技术国家重点实验室,常州213031 [3]常州市光伏系统集成与生产装备技术重点实验室,常州213022

出　　处：《太阳能学报》2019年第1期68-72,共5页Acta Energiae Solaris Sinica

基　　金：江苏省重点研发计划(BE2017063);江苏省科技支撑计划重点项目(BE2014147-5)

摘　　要：通过对所制备的钙钛矿太阳电池进行交流阻抗测试,比较钙钛矿电池载流子扩散长度、载流子寿命、内部电阻及电容等参数,得出在钙钛矿太阳电池中载流子在空穴传输层扩散的特征频率约为2μs^(-1),载流子传输过程快慢顺序依次为:载流子在空穴传输层的传输、钙钛矿薄膜中的传输。另外还得出载流子在钙钛矿薄膜中的复合阻抗是构成电池总阻抗的主要部分,其值远大于空穴传输层的阻抗,约为空穴传输层的15倍。The perovskite solar cells were tested by AC impedance. The parameters such as carrier diffusion length,carrier lifetime,internal resistance and capacitance of perovskite batteries were compared. It was found that in perovskite solar cells,The characteristic frequency of carrier diffusion in the hole transport layer is about 2 μs-1. Quantitative explanation of the electron transport process is as follows:the transport of electrons in the hole transport layer and the transport in the perovskite film. On the other hand,the recombination of carriers in the perovskite film is the main aspect affecting the overall impedance of the cell,which is much larger than that of the hole transport layer,which is about 15 times of that.

关 键 词：钙钛矿太阳电池 电化学阻抗测试 载流子寿命 载流子扩散长度 

分 类 号：TM914[电气工程—电力电子与电力传动]