Crystallographic Understanding of Photoelectric Properties for C60 Derivatives Applicable as Electron Transporting Materials in Perovskite Solar Cells |
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| Authors: | XING Zhou LI Shu-Hui XU Piao-Yang TIAN Han-Rui DENG Lin-Long YAO Yang-Rong CHEN Bin-Wen XIE Fang-Fang AN Ming-Wei YUN Da-Qin XIE Su-Yuan ZHENG Lan-Sun |
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| Institution: | 1. State Key Lab for Physical Chemistry of Solid Surfaces, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China;2. Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, P. R. China;3. College of Energy, Xiamen University, Xiamen 361005, P. R. China |
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| Abstract: | Hundreds of C60 derivatives stand out as electrontransporting materials(ETMs), for example, in perovskite solar cells(PSCs), due to their properties on electron extraction or defect passivation. However, it still lacks of guidelines to update C60-based ETMs with excellent photoelectric properties. In this work, crystallographic data of eight C60-based ETMs, including pristine C60 and the well-known PCBM as well as six newly synthesized fullerenes, are analyzed to establish the connections between derivatized structures and photoelectric properties for the typical carbon cluster of C60. In terms of packing centroid-centroid distance between neighboring carbon cages, the crystallographic data are useful for probing photoelectric properties, such as electrochemical properties, electron mobility and photovoltaic performances, and therefore facilitate to design novel C60-based ETMs for PSCs with high performances. |
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| Keywords: | Perovskite solar cell(PSC) Electron transporting material (ETM) Fullerene Power conversion efficiency Crystallographic understanding |
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