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    A novel dopant for spiro-OMeTAD towards efficient and stable perovskite solar cells

    2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene (spiro-OMeTAD), as the most common used hole transport material (HTM), plays a significant role in the normal structured (n-i-p) high-efficien...

    Zhipeng Lin 林志鹏, **g Li **静, Hengyi Li **恒毅, Yan** Mo 貊艳**… in Science China Materials (2021)