钴盐作为含铯平面钙钛矿太阳能电池中螺环-MeOTAD的高效掺杂剂
Cobalt Salt as Efficient Dopant for Spiro-MeOTAD in Cesium-Containing Planar Perovskite Solar Cells.
作者信息
Yang Lijun, Yang Pan, Hu Zijun, Jiang Ting, Lai Xinchun, Lin Hong, Zhao Xiaochong
机构信息
Institute of Materials, Chinese Academy of Engineering Physics, Chengdu 610200, China.
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.
出版信息
J Nanosci Nanotechnol. 2018 Apr 1;18(4):2898-2902. doi: 10.1166/jnn.2018.14385.
The chemical doping is an effective strategy to improve the charge transport property of hole transport material (HTM). Herein, tris(2-(1H-pyrazol-1-yl)pyridine]cobalt(III) (FK102) doped 2,2,7,7-tetrakis(N, N-di-p-methoxyphenylamine)-9,9-spirobifluorene (spiro-MeOTAD) as HTM for semi-transparent cesium-containing planar perovskite solar cell (Cs0.1MA0.9PbI3) is demonstrated. Incorporating FK102 realizes efficient doping, which improves the mobility of HTM from 3.948 × 10-3 m2V-1s-1 to 2.22 × 10-2 m2V-1s-1, which is 5.6 times enhancement. As a result, the power conversion efficiency (PCE) is largely improved from 7.58% to 10.09% due to the improved hole transport and extraction.
化学掺杂是改善空穴传输材料（HTM）电荷传输性能的有效策略。在此，展示了将三（2-（1H-吡唑-1-基）吡啶）钴（III）（FK102）掺杂到2,2,7,7-四（N，N-二对甲氧基苯胺）-9,9-螺二芴（spiro-MeOTAD）中作为半透明含铯平面钙钛矿太阳能电池（Cs0.1MA0.9PbI3）的HTM。掺入FK102实现了有效掺杂，使HTM的迁移率从3.948×10-3 m2V-1s-1提高到2.22×10-2 m2V-1s-1，提高了5.6倍。结果，由于空穴传输和提取的改善，功率转换效率（PCE）从7.58%大幅提高到10.09%。
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