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Sn-doped TiO2 nanorod arrays and application in perovskite solar cells

机译:掺锡TiO2纳米棒阵列及其在钙钛矿太阳能电池中的应用

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Tin-doped (Sn-doped) TiO2 nanorods arrays were successfully synthesized on a TiO2 seed layer via a mild one-pot hydrothermal method. Sn-doped TiO2 nanorods with high electron mobility were assembled into a solid perovskite solar cell. The study indicated that the introduction of the Sn element led to the change of the TiO2 band gap from 3.0 to 3.04 eV. Electrochemical impedance spectroscopy showed that the resistance of the device based on Sn-doped TiO2 nanorods was lower than that of the undoped device. The PCE of the Sn-doped perovskite device achieved 6.31%, which was almost 67% higher than that of the undoped sample.
机译:通过温和的一锅水热法成功地在TiO2种子层上合成了掺锡(掺Sn)的TiO2纳米棒阵列。将具有高电子迁移率的掺Sn的TiO2纳米棒组装到固体钙钛矿太阳能电池中。研究表明,Sn元素的引入导致TiO2带隙从3.0改变为3.04 eV。电化学阻抗谱表明,基于Sn掺杂的TiO2纳米棒的器件的电阻低​​于未掺杂的器件。掺锡钙钛矿器件的PCE达到6.31%,比未掺杂样品的PCE高出67%。

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