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首页> 外文期刊>Nanotechnology >CdSe tetrapod interfacial layer for improving electron extraction in planar heterojunction perovskite solar cells
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CdSe tetrapod interfacial layer for improving electron extraction in planar heterojunction perovskite solar cells

机译：CDSE Tetrapod界面改进平面杂交植物太阳能电池的电子提取

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摘要

We demonstrate the improvement in the efficiency of planar heterojunction perovskite solar cells by employing cadmium selenide tetrapods (CdSe TPs) as an electron extraction layer. The insertion of the CdSe TP layer between the titanium oxide (TiO2) and perovskite film facilitates electron transfer at the TiO2/perovskite interface, as indicated by the significantly quenched steady-state photoluminescence of the perovskite film. Furthermore, we observed a conductivity enhancement of the perovskite film by introducing the CdSe TP layer. The combination of both effects induced by the TPs leads to enhancement in the carrier extraction as well as decreased recombination losses in the perovskite solar cells. As a result, an efficiency of 13.5% (1 sun condition) is achieved in the perovskite solar cells that incorporate the CdSe TP layer, which is 10% higher than that of the device without the CdSe TP layer.
机译：我们通过用硒化镉Tetrapods（CDSE TPS）作为电子提取层来证明平面杂交连通钙钛矿太阳能电池效率的提高。 在氧化钛（TiO 2）和钙钛矿膜之间的CDSE TP层的插入有利于TiO 2 / Perovskite界面的电子转移，如钙钛矿膜的显着淬火稳态光致发光所示。 此外，我们通过引入CDSE TP层观察到钙钛矿膜的电导率提高。 TPS诱导的这两种效果的组合导致载体提取的增强以及钙钛矿太阳能电池中的重组损失降低。 结果，在掺入CDSE TP层的钙钛矿太阳能电池中实现了13.5％（1个阳光条件）的效率，其比没有CDSE TP层的装置高10％。

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  • 来源
    《Nanotechnology》 |2019年第6期|共9页
  • 作者

    Lee Hyunho; Lim Jaehoon; Song Jiyun; Heo Hyeonjun; An Kunsik; Kim Jaehoon; Lee Seonghoon; Char Kookheon; Song Hyung-Jun; Lee Changhee;

  • 作者单位

    Seoul Natl Univ Dept Elect &

    Comp Engn Interuniv Semicond Res Ctr Seoul 08826 South Korea;

    Ajou Univ Dept Chem Engn Suwon 16499 South Korea;

    Seoul Natl Univ Dept Elect &

    Comp Engn Interuniv Semicond Res Ctr Seoul 08826 South Korea;

    Seoul Natl Univ Sch Chem &

    Biol Engn Natl Creat Res Initiat Ctr Intelligent Hybrids WCU Program Chem Convergence Energy &

    Environm Seoul 08826 South Korea;

    Seoul Natl Univ Dept Elect &

    Comp Engn Interuniv Semicond Res Ctr Seoul 08826 South Korea;

    Seoul Natl Univ Dept Elect &

    Comp Engn Interuniv Semicond Res Ctr Seoul 08826 South Korea;

    Seoul Natl Univ Sch Chem Seoul 08826 South Korea;

    Seoul Natl Univ Sch Chem &

    Biol Engn Natl Creat Res Initiat Ctr Intelligent Hybrids WCU Program Chem Convergence Energy &

    Environm Seoul 08826 South Korea;

    Korea Inst Energy Res Photovolta Lab Daejeon 34129 South Korea;

    Seoul Natl Univ Dept Elect &

    Comp Engn Interuniv Semicond Res Ctr Seoul 08826 South Korea;

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  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    planar perovskite solar cells; CdSe tetrapod; electron extraction; morphology;

    机译：Planar Perovskite太阳能电池;Cdse Tetrapod;电子提取;形态学;

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