用于高效介观钙钛矿太阳能电池的呋喃-芳胺空穴传输材料的简便合成
Facile Synthesis of a Furan-Arylamine Hole-Transporting Material for High-Efficiency, Mesoscopic Perovskite Solar Cells.
作者信息
Krishna Anurag, Sabba Dharani, Yin Jun, Bruno Annalisa, Boix Pablo P, Gao Yang, Dewi Herlina A, Gurzadyan Gagik G, Soci Cesare, Mhaisalkar Subodh G, Grimsdale Andrew C
机构信息
Energy Research Institute, Interdisciplinary Graduate School, Nanyang Technological University (Singapore).
Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, 50 Nanyang Drive, Singapore 637553 (Singapore).
出版信息
Chemistry. 2015 Oct 19;21(43):15113-7. doi: 10.1002/chem.201503099. Epub 2015 Sep 3.
A novel hole-transporting molecule (F101) based on a furan core has been synthesized by means of a short, high-yielding route. When used as the hole-transporting material (HTM) in mesoporous methylammonium lead halide perovskite solar cells (PSCs) it produced better device performance than the current state-of-the-art HTM 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluorene (spiro-OMeTAD). The F101-HTM-based device exhibited both slightly higher Jsc (19.63 vs. 18.41 mA cm(-2) ) and Voc (1.1 vs. 1.05 V) resulting in a marginally higher power conversion efficiency (PCE) (13.1 vs. 13 %). The steady-state and time-resolved photoluminescence show that F101 has significant charge extraction ability. The simple molecular structure, short synthesis route with high yield and better performance in devices makes F101 an excellent candidate for replacing the expensive spiro-OMeTAD as HTM in PSCs.
通过一条简短、高产率的路线合成了一种基于呋喃核的新型空穴传输分子（F101）。当用作介孔甲基铵卤化铅钙钛矿太阳能电池（PSC）中的空穴传输材料（HTM）时，它比目前最先进的HTM 2,2',7,7'-四（N,N-二对甲氧基苯胺）-9,9'-螺二芴（spiro-OMeTAD）表现出更好的器件性能。基于F101-HTM的器件表现出略高的短路电流密度（Jsc）（19.63对18.41 mA cm(-2) ）和开路电压（Voc）（1.1对1.05 V），从而导致略高的功率转换效率（PCE）（13.1对13 %）。稳态和时间分辨光致发光表明F101具有显著的电荷提取能力。简单的分子结构、高产率的短合成路线以及在器件中的更好性能使得F101成为在PSC中替代昂贵的spiro-OMeTAD作为HTM的优秀候选材料。
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