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Interfacial engineering by using self-assembled monolayer in mesoporous perovskite solar cell

机译:界面工程利用中孔钙钛矿太阳能电池中的自组装单层

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摘要

A self-assembled monolayer of 4-aminobenzoic acid (PABA) is prepared on the top of a mesoporous TiO2 electron transfer layer. Through the full characterization of PABA-SAM modified TiO2 and the above- prepared perovskite layer with Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), contact angle and photoluminescence, it was clear that the introduction of the SAM improved the interfacial compatibility and therefore the quality of the perovskite, thus leading to fewer traps, better carrier transport and good energy matching between the TiO2 layer and the perovskite layer. The power conversion efficiency (PCE) of the perovskite device with interfacial modification was enhanced to 10.58% compared with that of the device without SAM.
机译:在介孔TiO 2电子转移层的顶部上制备自组装的4-氨基苯甲酸(PABA)的单层。 通过具有傅里叶变换红外光谱(FTIR),X射线光电子能谱(XPS),X射线衍射(XRD),接触角和光致发光的PABA-SAM改性TiO2和上述钙钛矿层。它是 清楚地,萨姆的引入改善了界面相容性,因此改善了钙钛矿的质量,从而导致陷阱更少,更好的载波运输和TiO2层和钙钛矿层之间的良好能量匹配。 与没有SAM的器件相比,具有界面改性的钙钛矿器件的电力转换效率(PCE)增强至10.58%。

著录项

  • 来源
    《RSC Advances》 |2015年第114期|共6页
  • 作者

    Bobo Li; Yani Chen; Ziqi Liang;

  • 作者单位

    Key Laboratory of Flexible Electronics (KLOFE) Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 P.R. China.;

    Department of Materials Science Fudan University 220 Handan Road Shanghai 200433 China.;

    Department of Materials Science Fudan University 220 Handan Road Shanghai 200433 China.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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