图1 钙钛矿太阳能电池结构示意图

Fig. 1 Schematic diagram of PSCs structure

图2 基于FTO与ITO基底钙钛矿太阳能电池各性能参数箱式对比图

Fig. 2 Box comparison diagram of performance parameters of PSCs based on FTO and ITO substrates

图3 基于FTO与ITO基底最优电池J-V特性曲线图

Fig. 3 J-V curves of the optimal PSCs based on FTO and ITO substrates

图4 不同PbI2退火温度下电池性能参数箱式分布图

Fig. 4 Box distribution diagram of performance parameters of PSCs at different annealing temperatures of PbI2

图5 不同PbI2退火温度下最优电池J-V性能曲线图

Fig. 5 J-V curves of optimal PSCs annealed at different annealing temperatures of PbI2

图6 PbI2不同退火温度下制备钙钛矿薄膜SEM表面形貌图

Fig. 6 Perovskite film SEM images based on PbI2 at different annealing temperatures

图7 PbI2不同退火温度下制备钙钛矿薄膜吸收光谱图

Fig. 7 Absorption spectra of perovskite thin films prepared by PbI2 at different annealing temperatures

图8 不同PbI2退火温度下制备钙钛矿层的XRD图

Fig. 8 Perovskite XRD spectrum at different annealing temperatures of PbI2

图9 退火温度为70 ℃时，不同PbI2退火时间下的电池性能参数箱式分布图

Fig.9 Box diagram of performance parameters of PSCs under different annealing time of PbI2 at 70 ℃

图10 退火温度为70 ℃时，不同PbI2退火时间下的最优电池J-V性能曲线图

Fig. 10 J-V curves of the optimal PSCs under different annealing time of PbI2 at 70 ℃

图11 PbI2退火时间(退火温度为70 ℃)不同所得钙钛矿薄膜的表面SEM图

Fig. 11 Perovskite film SEM images based on PbI2 at different annealing time of 70 ℃

图12 退火温度为70 ℃时，不同PbI2 退火时间条件下钙钛矿薄膜的吸收光谱图

Fig. 12 Absorption spectra of perovskite thin films based on PbI2 annealed at 70 ℃ with different annealing time

图13 退火温度为70 ℃时，不同PbI2退火时间制备钙钛矿层XRD图

Fig. 13 Perovskite XRD spectrum under different annealing time of PbI2 at 70 ℃

图14 滴加胺盐溶液后不同静置时间下的电池性能参数箱式分布图

Fig. 14 Box diagram of performance parameters of PSCs under different standing time after dropping amine salt solution

图15 滴加胺盐溶液后不同静置时间下的最优电池J-V图

Fig. 15 J-V curves of optimal PSCs under different standing time after dropping amine salt solution

图16 滴加胺盐溶液后不同静置时间所得钙钛矿薄膜的表面SEM图

Fig. 16 Perovskite film SEM images under different standing time after dropping amine salt solution

图17 滴加胺盐溶液后不同静置时间所得钙钛矿薄膜吸收光谱图

Fig. 17 Absorption spectra of perovskite thin films obtained after dripping amine salt solution for different standing time

图18 滴加胺盐溶液后不同静置时间的XRD图

Fig. 18 Perovskite XRD spectrum under different standing time after dropping amine salt solution

图19 不同存储湿度条件下太阳电池性能参数分布图

Fig.19 Distribution diagram of performance parameters of PSCs under different storage humidity conditions

图20 在不同存储湿度条件下最优太阳电池J-V特性曲线变化

Fig. 20 J-V curves change of optimal PSCs under different storage humidity conditions

图21 15个优化工艺后太阳电池正、反扫性能参数箱式图对比

Fig. 21 Box diagram comparison of performance parameters of 15 PSCs scanned at forward and backward direction using optimized processes

图22 最佳工艺条件下钙钛矿太阳电池光伏特征

Fig. 22 Photovoltaic performance of champion PSCs under optimal condition