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Investigation of Triphenylamine (TPA)-Based Metal Complexes and Their Application in Perovskite Solar Cells

机译:三苯胺(TPA)基金属配合物的研究及其在钙钛矿太阳能电池中的应用

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Triphenylamine-based metal complexes were designed and synthesized via coordination to Ni(II), Cu(II), and Zn(II) using their respective acetate salts as the starting materials. The resulting metal complexes exhibit more negative energy levels (vs vacuum) as compared to 2,2′,7,7′-tetrakis(N ,N -di-p -methoxyphenylamine)-9,9′-spirobifluorene (Spiro-OMeTAD), high hole extraction efficiency, but low hole mobilities and conductivities. Application of dopants typically used for Spiro-OMeTAD was not successful, indicating a more complicated mechanism of partial oxidation besides the redox potential. However, utilization as hole-transport material was successful, giving a highest efficiency of 11.1% under AM 1.5G solar illumination.
机译:基于三苯胺的金属配合物是通过与Ni(II),Cu(II)和Zn(II)配位而设计和合成的,使用它们各自的乙酸盐作为原料。与2,2',7,7'-四((N,N -N-二-对-甲氧基苯胺)-9, 9'-螺双芴(Spiro-OMeTAD),空穴提取效率高,但空穴迁移率和电导率低。通常用于Spiro-OMeTAD的掺杂剂应用不成功,这表明除氧化还原电势外,部分氧化的机理更为复杂。但是,成功地将其用作空穴传输材料,在AM 1.5G太阳光下的最高效率为11.1%。

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