基金supported by the Natural Science Foundation of Guangxi(2021GXNSFBA075026 and 2019GXNSFGA245005)the Fund of Guangxi Key Laboratory of Information Materials(221028-Z)+1 种基金Guo R acknowledges the support of the Innovation Project of Guilin University of Electronic Technology(GUET)for Graduate Education(2023YCXS150)Zhang S would like to thank Guangxi Training Program of Innovation and Entrepreneurship for Undergraduates(S202210595268)for its support.
文摘基于m-TiO_(2)/m-ZrO_(2)/C的无空穴可印刷介观钙钛矿太阳能电池(p-MPSCs)具有成本低廉、操作简便和稳定性优异的特点,被认为是最具商业应用潜力的新型光伏器件之一.然而,与传统PSC相比,p-MPSCs的开路电压(VOC)损失较大,导致能量转换效率(PCE)与传统PSC存在差距.在此,我们提出了一种利用5-氨基-4甲酰胺咪唑盐酸盐(AICA)提升p-MPSCs开路电压的方法.AICA不仅可以调节钙钛矿膜的功函数,其酰胺基团和氨基还能分别钝化钙钛矿中未配位的Pb2+和I−缺陷,稳定钙钛矿的结构,形成高质量钙钛矿薄膜,从而抑制缺陷诱导的非辐射复合.因此,引入AICA后p-MPSCs获得了16.68%的PCE,并且VOC从0.88提升至0.98 V.