摘要
The power conversion efficiency(PCE)for perovskite solar cells(PSCs)now reaches 25.2%[1].However,the perovskite materials have complex compositions and variable phases,calling for suitable characterization techniques to investigate the underlying operation and degradation mechanism.
基金
supported by National Natural Science Foundation of China(21975028,22011540377)
Beijing Municipal Science and Technology Project(Z181100005118002)
Beijing Municipal Natural Science Foundation(JQ19008)
National Key Research and Development Program of China(2017YFA0206600)
the National Natur-al Science Foundation of China(51773045,21772030,51922032,21961160720)for financial support。
