钙钛矿薄膜缺陷调控策略在太阳能电池中的应用

王万海, 周杰, 唐卫华

Passivation Strategies of Perovskite Film Defects for Solar Cells

WANG Wanhai, ZHOU Jie, TANG Weihua

图5 (a)丁基磷酸4-氯化铵(4-ABPACl)交联的两个相邻晶粒结构的示意图[50]; (b)在介孔TiO2/FTO衬底上沉积的原始和4-ABPACl锚定钙钛矿薄膜的表面SEM照片[50]; (c)储存不同时间的FASnI3-EDAI2膜的X射线衍射(XRD)图谱变化[51]; (d)RATZ钝化示意图[53]; (e)噻吩钝化示意图[55]; (f)用茶碱对钙钛矿表面PbI反位缺陷进行钝化的理论模型[61]; (g)PCE依赖于pKa的统计光伏数据[64]

Fig. 5 (a) Schematic illustration of two neighbouring grain structures crosslinked by butylphosphonic acid 4-ammonium chloride (4-ABPACl)[50]; (b) Surface SEM images of pristine (control) and 4-ABPA-anchored (CH3NH3PbI3-ABPA) perovskite films deposited on mp-TiO2/FTO substrates[50]; (c) Variations of X-ray diffraction(XRD) spectra patterns of the FASnI3-EDAI2 1% film at different duration of storage[51]; (d) Schematic diagram of RATZ passivation[53]; (e) Schematic diagram of thiophene passivation[55]; (f) Theoretical model of perovskite with molecular surface passivation of PbI antisite with theophylline[61]; (g) Statistical photovoltaic parameters of PCE depending on pKa[64]