采用水热/溶剂热法制备了3种锐钛矿TiO₂（纳米颗粒、纳米棒和纳米片），分别主要暴露（101）、（010）、（001）晶面。电化学阻抗谱和荧光光谱分析表明，3种TiO₂的电荷传输性能顺序为：TiO₂纳米颗粒>TiO₂纳米棒>TiO₂纳米片。将其作为电荷传输层分别应用于钙钛矿太阳能电池（FTO/致密层TiO₂/介孔层TiO₂/CH₃NH₃PbI₃/Spiro-OMeTAD/Ag）中，发现电池的光电转化效率与TiO₂的电荷传输性能成正相关，即暴露（101）晶面的锐钛矿TiO₂纳米颗粒基钙钛矿太阳能电池的光电转化效率最高，可达13.53%。

Three kinds of anatase TiO₂ (nanoparticles,nanorods and nanosheets) are successfully synthesized by hydrothermal/solvothermal methods,which mainly exposes (101),(010) and (001) facet respectively.It is proved by the electrochemical impedance spectra (EIS) and photoluminescence spectrum (PL) that the order of charge transfer performance is TiO₂ nanoparticle-(101) > TiO₂ nanorod-(010) > TiO₂ nanosheet-(001).As they are applied in the mesoscopic perovskite solar cells (FTO/compact TiO₂/mesoporous TiO₂/CH₃NH₃PbI₃/Spiro-OMeTAD/Ag) as electron transport layer (ETL),it is found that the corresponding photovoltaic conversion efficiency of cells based on three kinds of anatase TiO₂ has positive correlation with the charge transfer performance of anatase TiO₂.TiO₂ nanoparticle-based cell performs best and can give a 13.53% of photovoltaic conversion efficiency.